Federal Capture Intelligence

Top DOI security guards and patrol services contractors (NAICS 561612)

Contract actions: October 1, 2021 – September 10, 2026 Updated September 11, 2026 Department of the Interior agency guide NAICS 561612 · Security Guards and Patrol Services
Latest 12 months
$34.6M
Net obligations · Down $12.7M vs. $47.3M preceding
Prime contractors
85
With positive obligations in the latest 12 months

Research the DOI federal contracting market for security guards and patrol services under NAICS 561612. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, contract types, competition, and procurement methods, and potential recompete research leads.

Contract obligation trends for Security Guards and Patrol Services at the Department of the Interior

Federal records show $208.0M in net obligations across 392 awards in Security Guards and Patrol Services at the Department of the Interior from Oct 1, 2021 through Sep 10, 2026. This market accounts for 0.81% of $25.8B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 26.8% from $47.3M to $34.6M. 8 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY26 is year-to-date through Sep 10, 2026; earlier years show complete fiscal-year totals.

FY26 year-to-date: $31.6M versus $36.4M through the same date in FY25 (−13.0%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$45.7M280Complete
FY2023$52.9M265Complete
FY2024$38.5M250Complete
FY2025$39.3M248Complete
FY2026$31.6M224YTD through Sep 10, 2026

Market at a glance

All reported prime contract awards
All-period net obligations
$208.0M
392 awards · 191 prime contractors
Latest 12-month movement
−26.8%
$34.6M vs. $47.3M
Leading eight prime share
82.9%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.81% of $25.8B in agency-wide net obligations.
Set-aside share when reported
32.1% of 290 awards with reported set-aside status.
Set-aside reporting
93 set aside · 197 no set-aside · 102 not reported

What changed in the last 12 months?

Sep 11, 2025–Sep 10, 2026, compared with Sep 11, 2024–Sep 10, 2025.

Competitive shifts

CENTERRA GROUP, LLC gained the most market share
10.0%→19.0%+9.0 percentage points
The contractor now ranks #2 by positive obligations, based on 9 reported actions.
UNIVERSAL PROTECTION SERVICE, LLC had no reported activity in the latest 12 months
$17.2M→$0No latest-period activity
It previously ranked #1 by positive obligations, based on 6 reported actions.
CHENEGA NASWIK INTERNATIONAL LLC climbed the most in the contractor rankings
#6→#3Up 3 places
The contractor accounts for 9.6% of positive obligations across 12 reported actions.

Buyer demand

Reported obligations through NER SUPPLY MABO(45000) decreased
$17.7M→$319K−$17.4M
Latest-period activity spans 3 awards across 1 prime contractor.
Reported obligations through LAW ENFORCEMENT SAFETY (00011) increased
$4.8M→$6.9M+$2.0M
Latest-period activity spans 1 award across 1 prime contractor.
How these findings are calculated

Findings are selected from matched-period changes in obligations, share, rank, funding offices, concentration, reported set-asides, material award actions, and agency-peer outliers. Related signals are combined, and only material evidence-backed changes are shown. Review the full methodology.

Federal contract obligations by funding office

See how positive obligations were attributed across funding offices in the 12 months ending Sep 10, 2026.

20.5% of positive obligations were attributed to OFC OF ACQUSITION GRANTS-NATIONAL. That represents $7.3M, up $761K from the preceding 12 months.

Latest 12-month share of positive obligations; the gray segment represents all other reported offices.

  1. OFC OF ACQUSITION GRANTS-NATIONAL20.5% · $7.3M · up $761K
  2. LAW ENFORCEMENT SAFETY (00011)19.1% · $6.9M · up $2.0M
  3. NORTHEAST REGIONAL CONTRACTING13.6% · $4.9M · up $220K
  4. LOWER COLORADO REGIONAL OFFICE10.4% · $3.7M · up $620K
  5. WASHINGTON CONTRACTING OFFICE9.6% · $3.5M · up $1.1M
  6. All other reported offices26.8% of positive obligations
View reported office rankings, comparisons, and evidence

USAspending assigns each award to a funding office. That office may differ from the requiring activity, program office, contracting office, individual buyer, or actual customer.

  1. Reported funding office

    OFC OF ACQUSITION GRANTS-NATIONAL

    #1Up 1 from #2

    Latest 12 months

    $7.3M

    20.5% of positive obligations

    Versus preceding 12 months

    +$761K

    5 active prime contractors · 5 awards

    View office comparison and evidence

    Reported obligations increased 11.5% from $6.6M to $7.3M. The office’s share of positive obligations moved from 13.8% to 20.5%, a change of +6.7 percentage points.

    The latest period contains 8 actions across 5 awards and 2 newly active prime contractors. The preceding period contained 4 active prime contractors and 5 awards.

  2. Reported funding office

    LAW ENFORCEMENT SAFETY (00011)

    #2Up 1 from #3

    Latest 12 months

    $6.9M

    19.1% of positive obligations

    Versus preceding 12 months

    +$2.0M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 42.5% from $4.8M to $6.9M. The office’s share of positive obligations moved from 10.1% to 19.1%, a change of +9.0 percentage points.

    The latest period contains 9 actions across 1 award. The preceding period contained 1 active prime contractor and 1 award.

    Leading award-level changes

  3. Reported funding office

    NORTHEAST REGIONAL CONTRACTING

    #3Up 1 from #4

    Latest 12 months

    $4.9M

    13.6% of positive obligations

    Versus preceding 12 months

    +$220K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 4.7% from $4.7M to $4.9M. The office’s share of positive obligations moved from 9.8% to 13.6%, a change of +3.9 percentage points.

    The latest period contains 2 actions across 1 award. The preceding period contained 1 active prime contractor and 1 award.

  4. Reported funding office

    LOWER COLORADO REGIONAL OFFICE

    #4Up 1 from #5

    Latest 12 months

    $3.7M

    10.4% of positive obligations

    Versus preceding 12 months

    +$620K

    3 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations increased 20.0% from $3.1M to $3.7M. The office’s share of positive obligations moved from 6.5% to 10.4%, a change of +3.9 percentage points.

    The latest period contains 14 actions across 4 awards and 1 newly active prime contractor. The preceding period contained 3 active prime contractors and 4 awards.

  5. Reported funding office

    WASHINGTON CONTRACTING OFFICE

    #5Up 2 from #7

    Latest 12 months

    $3.5M

    9.6% of positive obligations

    Versus preceding 12 months

    +$1.1M

    2 active prime contractors · 15 awards

    View office comparison and evidence

    Reported obligations increased 47.2% from $2.3M to $3.5M. The office’s share of positive obligations moved from 4.9% to 9.6%, a change of +4.7 percentage points.

    The latest period contains 16 actions across 15 awards. The preceding period contained 2 active prime contractors and 18 awards.

  6. Reported funding office

    MP-REGIONAL OFFICE

    #6Rank unchanged

    Latest 12 months

    $3.4M

    9.3% of positive obligations

    Versus preceding 12 months

    +$728K

    5 active prime contractors · 5 awards

    View office comparison and evidence

    Reported obligations increased 27.7% from $2.6M to $3.4M. The office’s share of positive obligations moved from 5.5% to 9.3%, a change of +3.9 percentage points.

    The latest period contains 10 actions across 5 awards and 1 newly active prime contractor. The preceding period contained 4 active prime contractors and 5 awards.

  7. Reported funding office

    OREGON STATE OFFICE

    #7Up 1 from #8

    Latest 12 months

    $1.4M

    3.9% of positive obligations

    Versus preceding 12 months

    −$108K

    24 active prime contractors · 26 awards

    View office comparison and evidence

    Reported obligations decreased 7.3% from $1.5M to $1.4M. The office’s share of positive obligations moved from 3.1% to 3.9%, a change of +0.7 percentage points.

    The latest period contains 38 actions across 26 awards and 3 newly active prime contractors. The preceding period contained 23 active prime contractors and 24 awards.

  8. Reported funding office

    FWS NORTHEAST REGIONAL OFFICE

    #8Up 18 from #26

    Latest 12 months

    $818K

    2.3% of positive obligations

    Versus preceding 12 months

    +$758K

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations increased 1270.2% from $60K to $818K. The office’s share of positive obligations moved from 0.12% to 2.3%, a change of +2.2 percentage points.

    The latest period contains 2 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 1 active prime contractor and 1 award.

  9. Reported funding office

    NCR REGIONAL CONTRACTING(30000)

    #9Rank unchanged

    Latest 12 months

    $787K

    2.2% of positive obligations

    Versus preceding 12 months

    −$32K

    1 active prime contractor · 5 awards

    View office comparison and evidence

    Reported obligations decreased 3.9% from $819K to $787K. The office’s share of positive obligations moved from 1.7% to 2.2%, a change of +0.5 percentage points.

    The latest period contains 5 actions across 5 awards. The preceding period contained 1 active prime contractor and 4 awards.

  10. Reported funding office

    PWR GOGA(86000)

    #10Up 8 from #18

    Latest 12 months

    $445K

    1.2% of positive obligations

    Versus preceding 12 months

    +$296K

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations increased 198.0% from $149K to $445K. The office’s share of positive obligations moved from 0.31% to 1.2%, a change of +0.9 percentage points.

    The latest period contains 8 actions across 3 awards and 1 newly active prime contractor. The preceding period contained 2 active prime contractors and 2 awards.

  11. Reported funding office

    NER SUPPLY MABO(45000)

    #13Down 12 from #1

    Latest 12 months

    $319K

    0.89% of positive obligations

    Versus preceding 12 months

    −$17.4M

    1 active prime contractor · 3 awards

    View office comparison and evidence

    Reported obligations decreased 98.2% from $17.7M to $319K. The office’s share of positive obligations moved from 37.1% to 0.89%, a change of −36.2 percentage points.

    The latest period contains 3 actions across 3 awards. The preceding period contained 2 active prime contractors and 4 awards.

    Leading award-level changes

  12. Reported funding office

    SER WEST(52000)

    #25Down 13 from #12

    Latest 12 months

    $37K

    0.10% of positive obligations

    Versus preceding 12 months

    −$246K

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations decreased 87.1% from $283K to $37K. The office’s share of positive obligations moved from 0.59% to 0.10%, a change of −0.5 percentage points.

    The latest period contains 3 actions across 3 awards. The preceding period contained 3 active prime contractors and 4 awards.

  13. Reported funding office

    FWS HEADQUARTERS

    #30Down 20 from #10

    Latest 12 months

    $9K

    0.030% of positive obligations

    Versus preceding 12 months

    −$733K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations decreased 98.7% from $742K to $9K. The office’s share of positive obligations moved from 1.6% to 0.030%, a change of −1.5 percentage points.

    The latest period contains 1 action across 1 award. The preceding period contained 1 active prime contractor and 1 award.

  14. Reported funding office

    NATIONAL PARK SERVICE

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$196K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $196K to $0. The office’s share of positive obligations moved from 0.41% to 0%, a change of −0.4 percentage points.

    The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 1 award.

  15. Reported funding office

    UPPER COLORADO REGIONAL OFFICE

    No positive-obligation rank

    Latest 12 months

    −$844K

    0% of positive obligations

    Versus preceding 12 months

    −$856K

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations moved from $11K in net obligations to $844K in net deobligations. The office’s share of positive obligations moved from 0.020% to 0%, a change of 0.0 percentage points.

    The latest period contains 5 actions across 3 awards and 2 newly active prime contractors. The preceding period contained 1 active prime contractor and 1 award.

Contract types, competition, and procurement methods

From Sep 11, 2025 through Sep 10, 2026, 108 awards had positive obligations totaling $36.4M. Subject to Multiple Award Fair Opportunity was the leading reported procedure, accounting for 36.3% of positive obligations. Awards with a reported parent IDV accounted for 49.9%.

Leading award type
49.0%
Delivery Order
Leading reported procedure
36.3%
Subject to Multiple Award Fair Opportunity
Reported parent IDV
49.9%
of positive obligations had a reported parent IDV
Median reported offers
1
90 of 108 awards reported offers

Buying method changes

Compared with Sep 11, 2024–Sep 10, 2025. Based on 108 current awards and 129 preceding awards with positive net obligations.

Leading reported procedure
Subject to Multiple Award Fair Opportunity
Previously Negotiated Proposal/Quote · 63.3% preceding vs 36.3% current
Delivery-order obligation share
49.0%
Up from 29.4% in the preceding period
How to read these changes

Directional color and the Up or Down labels show historical movement only. Green does not mean favorable and red does not mean unfavorable; neither predicts a future procurement method.

Same-NAICS comparison

Compared with the NAICS 561612 peer median, parent-IDV obligation share is 28.3 percentage points lower, reported full-and-open obligation share is 7.1 percentage points lower, delivery-order obligation share is 12.3 percentage points lower, and median positive award obligations are 84.4% lower.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share49.9%78.2%-28.3 pts
Reported full-and-open obligation share36.4%43.5%-7.1 pts
Delivery-order obligation share49.0%61.2%-12.3 pts
Median positive award obligations$52K$333K-84.4%
Peer cohort and comparison limits

The peer median gives each of the 8 eligible agency markets equal weight. The included agency markets are:

Agency mission, scale, and acquisition context can differ. Peer position does not establish market attractiveness or predict a future procurement method.

View buying-method details and data coverage

Award types

Reported valueAwardsPositive obligationsShare
Delivery Order(C)29$17.8M49.0%
Definitive Contract(D)13$14.5M39.9%
Purchase Order(B)64$3.7M10.2%
BPA Call(A)2$336K0.92%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
FSS(C)11$13.2M36.3%
IDC(B)18$4.6M12.7%
BPA(E)2$336K0.92%
Not reported77$18.2M50.1%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Multiple Award(M)11$13.2M36.3%
Single Award(S)20$4.9M13.6%
Not reported77$18.2M50.1%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Subject to Multiple Award Fair Opportunity(MAFO)11$13.2M36.3%
Np(NEGOTIATED PROPOSAL/QUOTE)8$11.9M32.6%
Negotiated Proposal/Quote(NP)13$5.7M15.6%
Simplified Acquisition(SP1)58$4.3M11.9%
Only One Source(SSS)10$558K1.5%
Sp1(SIMPLIFIED ACQUISITION)6$516K1.4%
Other reported values2$247K0.68%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)12$13.3M36.4%
D(FULL AND OPEN COMPETITION AFTER EXCLUSION OF SOURCES)8$11.9M32.6%
Full and Open Competition After Exclusion of Sources(D)12$5.6M15.5%
Competed Under SAP(F)17$2.3M6.3%
Not Competed Under SAP(G)41$2.0M5.6%
F(COMPETED UNDER SAP)4$468K1.3%
Other reported values14$853K2.3%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)5$11.9M32.7%
Competitive Set Aside(CSA)5$1.2M3.3%
Only One Source - Other(ONE)1$111K0.31%
Not reported97$23.2M63.7%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
SAP Non-Competition (FAR 13)(SP2)39$1.5M4.2%
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)7$863K2.4%
Only One Source-Other (FAR 6.302-1 Other)(ONE)8$468K1.3%
Urgency (FAR 6.302-2)(URG)1$17K0.050%
Not reported53$33.5M92.1%

Contract pricing types

Reported valueAwardsPositive obligationsShare
J(FIRM FIXED PRICE)16$12.6M34.7%
Firm Fixed Price(J)90$12.0M33.1%
Labor Hours(Z)2$11.7M32.3%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Housekeeping- Guard(S206)47$30.5M83.7%
Support- Professional: Physical Security and Badging(R430)15$3.5M9.6%
Support- Professional: Other(R499)34$1.4M3.7%
Housekeeping- Surveillance(S211)6$680K1.9%
Inspection- Ships, Small Craft, Pontoons, and Floating Docks(H319)1$196K0.54%
Inspection- Live Animals(H388)1$111K0.30%
Other reported values4$102K0.28%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
National Park Service(1443)27$10.4M28.5%
Bureau of Reclamation(1425)18$7.6M20.8%
U.S. Geological Survey(1434)6$7.4M20.4%
Departmental Offices(1406)1$6.9M18.9%
Bureau of Land Management(1422)48$2.9M7.9%
U.S. Fish and Wildlife Service(1448)5$1.1M3.0%
Other reported values3$184K0.51%

Awarding offices

Reported valueAwardsPositive obligationsShare
Ofc of Acqusition Grants-National(140G01)4$7.4M20.2%
Ibc Acq Svcs Directorate (00004)(140D04)1$6.9M18.9%
Northeast Regional Contracting(140P42)1$4.9M13.4%
Lower Colorado Regional Office(140R30)4$3.7M10.2%
Washington Contracting Office(140P21)11$3.5M9.5%
Mp-Regional Office(140R20)5$3.4M9.2%
Other reported values82$6.7M18.5%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
GS07F5548P(4730)1$6.9M18.9%
GS07F9142S(4730)2$5.6M15.5%
140P2125D0013(1443)11$3.5M9.5%
140P3023D0006(1443)4$832K2.3%
140L3722A0002(1422)2$336K0.92%
140P4521D0002(1443)3$319K0.88%
GS07F211CA(4732)1$210K0.58%
47QSWA23D0035(4732)1$111K0.31%
Other reported values6$379K1.0%
Not reported77$18.2M50.1%

Offers, award size, and timing

Median reported offers
1 median
90 reported · 18 not reported
Positive award obligations
$52K median
$11K–$170K middle 50%
Reported performance period
1,095 days (~3.0 years) median
108 reported · 0 not reported

Calculations group latest-period actions by award, retain awards with positive net obligations for share denominators, and use each award's latest reported USAspending procurement fields as of Sep 10, 2026. Blank competition, pricing, PSC, or parent-IDV values remain not reported; they are not inferred. Offer counts must be positive and below the FPDS 999 placeholder. Awarding organizations can differ from the funding agency that defines this page.

Top federal contractors

Latest 12-month market share, concentration, and complete prime contractor rankings across the period shown.

Prime contractor concentration
8 of 85prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
28.4%of positive obligations in the last 12 months
Leading four prime contractors
65.3%of positive obligations in the last 12 months
Leading eight prime contractors
82.9%of positive obligations in the last 12 months

Based on $36.1M in positive obligations during the 12 months ending Sep 10, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Sep 11, 2024–Sep 10, 2025.

Last 12mo obligation volume: Highest positive obligations first; net deobligations follow by magnitude; contractors with no activity in the last 12 months follow by all-period obligations. Ranks use the complete contractor list and remain fixed when search narrows the results.

15 leading contractors
  1. #1

    Last 12mo obligations

    $10.3M

    28.4%

    Dollar movement

    +$228K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    6 actions

    Historical and award details for THE WHITESTONE GROUP, INC.
    Obligations: prior → latest
    $10.0M → $10.3M
    +2.3%
    Share: prior → latest
    20.8% → 28.4%
    +7.6 percentage points
    All-period obligations
    $28.6M
    13.7% of all-period positive obligations · 3 awards
    Recorded activity
    Since Sep 24, 2022
    through Aug 19, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside22
    Reported no set-aside00
    Not reported11
    Reported small business33
    All-period set-aside types
    • 1 · SDVOSB set-aside
    • 1 · Total small business
  2. #2

    Last 12mo obligations

    $6.9M

    19.0%

    Dollar movement

    +$2.0M

    vs. prior 12 months

    Last 12mo awards

    1 award

    9 actions

    Historical and award details for CENTERRA GROUP, LLC
    Obligations: prior → latest
    $4.8M → $6.9M
    +42.5%
    Share: prior → latest
    10.0% → 19.0%
    +9.0 percentage points
    All-period obligations
    $30.6M
    14.6% of all-period positive obligations · 3 awards
    Recorded activity
    Since Nov 24, 2021
    through Jul 27, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported11
    Reported small business00
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $3.5M

    9.6%

    Dollar movement

    +$1.7M

    vs. prior 12 months

    Last 12mo awards

    11 awards

    12 actions

    Historical and award details for CHENEGA NASWIK INTERNATIONAL LLC
    Obligations: prior → latest
    $1.7M → $3.5M
    +100.2%
    Share: prior → latest
    3.6% → 9.6%
    +6.0 percentage points
    All-period obligations
    $5.2M
    2.5% of all-period positive obligations · 17 awards
    Recorded activity
    Since Jul 2, 2025
    through Jul 30, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported117
    Reported small business117
    All-period set-aside types

    None reported.

  4. #4

    Last 12mo obligations

    $3.0M

    8.2%

    Dollar movement

    +$586K

    vs. prior 12 months

    Last 12mo awards

    1 award

    4 actions

    Historical and award details for CHENEGA SECURITY CALIFORNIA CORPORATION
    Obligations: prior → latest
    $2.4M → $3.0M
    +24.5%
    Share: prior → latest
    5.0% → 8.2%
    +3.3 percentage points
    All-period obligations
    $8.8M
    4.2% of all-period positive obligations · 1 award
    Recorded activity
    Since Sep 12, 2023
    through Aug 18, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported00
    Reported small business11
    All-period set-aside types
    • 1 · 8(a) competed
  5. #5

    Last 12mo obligations

    $2.2M

    6.0%

    Dollar movement

    +$234K

    vs. prior 12 months

    Last 12mo awards

    1 award

    5 actions

    Historical and award details for KERBEROS INTERNATIONAL, INC.
    Obligations: prior → latest
    $1.9M → $2.2M
    +12.1%
    Share: prior → latest
    4.0% → 6.0%
    +2.0 percentage points
    All-period obligations
    $7.1M
    3.4% of all-period positive obligations · 1 award
    Recorded activity
    Since Jun 23, 2023
    through Jun 23, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported00
    Reported small business11
    All-period set-aside types
    • 1 · 8(a) competed
  6. #6

    Last 12mo obligations

    $1.7M

    4.7%

    Dollar movement

    +$1.7M

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for AHTNA LOGISTICS, LLC
    Obligations: prior → latest
    $0 → $1.7M
    Not comparable
    Share: prior → latest
    0% → 4.7%
    +4.7 percentage points
    All-period obligations
    $1.7M
    0.80% of all-period positive obligations · 1 award
    Recorded activity
    Since Aug 28, 2026
    through Aug 28, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside10
    Reported no set-aside00
    Not reported00
    Reported small business10
    All-period set-aside types
    • 1 · 8(a) competed
  7. #7

    Last 12mo obligations

    $1.4M

    4.0%

    Dollar movement

    +$261K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    8 actions

    Historical and award details for ACADIA PROTECTIVE SERVICES II, LLC
    Obligations: prior → latest
    $1.2M → $1.4M
    +22.0%
    Share: prior → latest
    2.5% → 4.0%
    +1.6 percentage points
    All-period obligations
    $5.8M
    2.7% of all-period positive obligations · 2 awards
    Recorded activity
    Since Nov 4, 2021
    through Sep 3, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside22
    Reported no set-aside00
    Not reported00
    Reported small business22
    All-period set-aside types
    • 2 · 8(a) competed
  8. #8

    Last 12mo obligations

    $1.1M

    3.0%

    Dollar movement

    −$308K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    5 actions

    Historical and award details for MONTECH INC
    Obligations: prior → latest
    $1.4M → $1.1M
    −22.4%
    Share: prior → latest
    2.9% → 3.0%
    +0.1 percentage points
    All-period obligations
    $6.2M
    2.9% of all-period positive obligations · 2 awards
    Recorded activity
    Since Nov 4, 2021
    through Sep 2, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside21
    Reported no set-aside00
    Not reported00
    Reported small business21
    All-period set-aside types
    • 1 · 8(a) competed
    • 1 · Total small business
  9. #9

    Last 12mo obligations

    $787K

    2.2%

    Dollar movement

    −$32K

    vs. prior 12 months

    Last 12mo awards

    5 awards

    5 actions

    Historical and award details for ARES DEFENSE GROUP LLC
    Obligations: prior → latest
    $819K → $787K
    −3.9%
    Share: prior → latest
    1.7% → 2.2%
    +0.5 percentage points
    All-period obligations
    $3.6M
    1.7% of all-period positive obligations · 21 awards
    Recorded activity
    Since Jun 8, 2022
    through May 21, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported54
    Reported small business54
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $455K

    1.3%

    Dollar movement

    +$256K

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for TRIUMPH PROTECTION GROUP INC.
    Obligations: prior → latest
    $198K → $455K
    +129.4%
    Share: prior → latest
    0.41% → 1.3%
    +0.8 percentage points
    All-period obligations
    $1.0M
    0.48% of all-period positive obligations · 2 awards
    Recorded activity
    Since Nov 16, 2021
    through Jul 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside12
    Reported no set-aside00
    Not reported00
    Reported small business12
    All-period set-aside types
    • 2 · Total small business
  11. #11

    Last 12mo obligations

    $342K

    0.95%

    Dollar movement

    +$9K

    vs. prior 12 months

    Last 12mo awards

    1 award

    2 actions

    Historical and award details for LANE COUNTY OREGON
    Obligations: prior → latest
    $333K → $342K
    +2.6%
    Share: prior → latest
    0.69% → 0.95%
    +0.3 percentage points
    All-period obligations
    $995K
    0.47% of all-period positive obligations · 1 award
    Recorded activity
    Since Sep 5, 2023
    through Dec 30, 2025

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $319K

    0.88%

    Dollar movement

    −$235K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    3 actions

    Historical and award details for UNALAKLEET INVESTMENTS LLC
    Obligations: prior → latest
    $554K → $319K
    −42.4%
    Share: prior → latest
    1.1% → 0.88%
    −0.3 percentage points
    All-period obligations
    $2.4M
    1.1% of all-period positive obligations · 12 awards
    Recorded activity
    Since Mar 29, 2022
    through Apr 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported33
    Reported small business33
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $316K

    0.88%

    Dollar movement

    +$121K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    3 actions

    Historical and award details for A & A SECURITY OF IDAHO LLC
    Obligations: prior → latest
    $195K → $316K
    +62.0%
    Share: prior → latest
    0.40% → 0.88%
    +0.5 percentage points
    All-period obligations
    $1.1M
    0.51% of all-period positive obligations · 8 awards
    Recorded activity
    Since Feb 1, 2022
    through Jun 29, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside33
    Reported no set-aside00
    Not reported00
    Reported small business33
    All-period set-aside types
    • 8 · Total small business
  14. #14

    Last 12mo obligations

    $303K

    0.84%

    Dollar movement

    +$303K

    vs. prior 12 months

    Last 12mo awards

    1 award

    5 actions

    Historical and award details for SUNLIFE CORPORATE HOUSING LLC
    Obligations: prior → latest
    $0 → $303K
    Not comparable
    Share: prior → latest
    0% → 0.84%
    +0.8 percentage points
    All-period obligations
    $303K
    0.14% of all-period positive obligations · 1 award
    Recorded activity
    Since Sep 12, 2025
    through Sep 8, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside10
    Reported no set-aside00
    Not reported00
    Reported small business10
    All-period set-aside types
    • 1 · Total small business
  15. #15

    Last 12mo obligations

    $243K

    0.67%

    Dollar movement

    +$6K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    4 actions

    Historical and award details for JACKSON, COUNTY OF
    Obligations: prior → latest
    $237K → $243K
    +2.5%
    Share: prior → latest
    0.49% → 0.67%
    +0.2 percentage points
    All-period obligations
    $935K
    0.45% of all-period positive obligations · 2 awards
    Recorded activity
    Since Aug 16, 2023
    through Apr 18, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside22
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

Potential federal contract recompetes

Investigate potential recompetes surfaced by near-term end dates, award value, and recent contract changes.

CENTERRA GROUP, LLC

GUARD SERVICES

The reported potential end date moved later 2 times in the latest 12 months.

Performance period

97.5%

As of Sep 10, 2026Potential end Oct 31, 2026

Current award value as a share of potential value

98.3%

$34.4M current$35.0M potential
Supporting data

Reported performance starts May 1, 2021.

No later potential end date is reported; current and potential end dates are both Oct 31, 2026.

$34.1M is obligated against $34.4M in current reported award value (99.0%).

Reported potential end dates: Apr 30, 2026 → Jun 30, 2026 → Oct 31, 2026.

Obligations are compared with current reported award value, not treated as a contract ceiling.

PIID 140D0421F0293

UNIVERSAL PROTECTION SERVICE, LLC

UNARMED GUARD SERVICES FOR THE STATUE OF LIBERTY NATIONAL MONUMENT AND ELLIS ISLAND (STLI).

$40.6M is obligated on an award with a reported potential end date of March 7, 2027.

Performance period

91.1%

As of Sep 10, 2026Potential end Mar 7, 2027

Current award value as a share of potential value

90.6%

$41.5M current$45.8M potential
Supporting data

Reported performance starts Sep 8, 2021.

Current performance is reported through Sep 7, 2026.

$40.6M is obligated against $41.5M in current reported award value (97.7%).

Obligations are compared with current reported award value, not treated as a contract ceiling.

PIID 140P4521C0014

These are research leads, not confirmed recompetes. USAspending records through Sep 10, 2026; reported dates and values can change through later modifications.

Recent federal contract award activity

Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.

Modification

This action

+$1.8M

CHENEGA SECURITY CALIFORNIA CORPORATION

MP-REGIONAL OFFICE

NCAO ARMED SECURITY GUARD SERVICES EXERCISE OY3 AND DESCOPE PWS

Why it stands out

The award grew alongside stronger contractor activity.

The modification added $1.8M while contractor obligations rose $586K overall.

Award net obligations
$8.8M
Share of 12-month positive obligations
4.9%
Supporting data
Prime contractor
#4 · 8.2% share
+3.3 percentage points · $586K net increase; action exceeded it by $1.2M
Funding office
#6 · 9.3% attributed share
+3.9 percentage points · $728K net increase; action exceeded it by $1.0M
PIID 140R2023C0015 · Mod P00009
Modification

This action

+$1.8M

CENTERRA GROUP, LLC

LAW ENFORCEMENT SAFETY (00011)

GUARD SERVICES

Why it stands out

The contractor and funding office both climbed their market rankings.

Both rank changes are shown in the supporting movement data.

Award net obligations
$34.1M
Share of 12-month positive obligations
5.1%
Supporting data
Prime contractor
#2 · 19.0% share
up 1 rank · +9.0 percentage points · $2.0M net increase; action accounted for 90.0%
Funding office
#2 · 19.1% attributed share
up 1 rank · +9.0 percentage points · $2.0M net increase; action accounted for 90.0%
Related:Largest share gainFunding office gain
PIID 140D0421F0293 · Mod P00042
Deobligation

This action

−$812K

CHENEGA TOTAL ASSET PROTECTION, LLC

UPPER COLORADO REGIONAL OFFICE

GLEN CANYON ARMED SECURITY SERVICES. THE PURPOSE OF THIS MODIFICATION IS TO ADD FUNDING FOR EQUITABLE ADJUSTMENT, DEOBLIGATE EXCESS FUNDING AND CLOSE OUT THE CONTRACT.

Why it stands out

This award recorded a material contraction.

The action removed $812K. A deobligation does not by itself show lower requirement demand.

Award net obligations
$13.1M
Share of 12-month positive obligations
2.3%
Supporting data
Prime contractor
0% share
$812K net decline; action accounted for 100.0%
Funding office
0% attributed share
$856K net decline; action accounted for 94.9%
PIID INR14PC00033 · Mod P00014
Modification

This action

+$2.7M

THE WHITESTONE GROUP, INC.

OFC OF ACQUSITION GRANTS-NATIONAL

SECURITY GUARD SERVICES FOR USGS NATIONAL CENTER

Why it stands out

The contractor and funding office both climbed their market rankings.

Both rank changes are shown in the supporting movement data.

Award net obligations
$9.3M
Share of 12-month positive obligations
7.4%
Supporting data
Funding office
#1 · 20.5% attributed share
up 1 rank · +6.7 percentage points · $761K net increase; action exceeded it by $1.9M
PIID 140G0125C0002 · Mod P00004
Modification

This action

+$571K

KERBEROS INTERNATIONAL, INC.

LOWER COLORADO REGIONAL OFFICE

HD ARMED AND UNARMED SECURITY SERVICES INCREMENTAL FUNDING 4/1/2026 - 6/30/2026

Why it stands out

The award grew alongside stronger contractor activity.

The modification added $571K while contractor obligations rose $234K overall.

Award net obligations
$7.1M
Share of 12-month positive obligations
1.6%
Supporting data
Prime contractor
#5 · 6.0% share
+2.0 percentage points · $234K net increase; action exceeded it by $337K
Funding office
#4 · 10.4% attributed share
up 1 rank · +3.9 percentage points · $620K net increase; action accounted for 92.1%
PIID 140R3023C0004 · Mod P00013
Base award

This action

+$1.2M

CHENEGA NASWIK INTERNATIONAL LLC

WASHINGTON CONTRACTING OFFICE

EO 14398 UNARMED SECURITY GUARD SERVICES - LINC MUSEUM

Why it stands out

The contractor climbed 3 positions in this market.

It now ranks #3 by positive obligations over the latest 12 months.

Award net obligations
$1.2M
Share of 12-month positive obligations
3.3%
Supporting data
Prime contractor
#3 · 9.6% share
up 3 ranks · +6.0 percentage points · $1.7M net increase; action accounted for 67.8%
Funding office
#5 · 9.6% attributed share
up 2 ranks · +4.7 percentage points · $1.1M net increase; action exceeded it by $67K
Related:Largest rank gain
PIID 140P2126F0031
View recent award activity by date (10)
  1. SUNLIFE CORPORATE HOUSING LLCModification · PIID 140P8625P0056
    Action+$151K
    Award net obligations$303K
  2. BOUTCHANTHARAJ CORPORATIONDeobligation · PIID 140R4020C0011
    Action−$4K
    Award net obligations$479K
  3. ACADIA PROTECTIVE SERVICES II, LLCModification · PIID 140R3021C0019
    Action+$409K
    Award net obligations$4.2M
  4. ACADIA PROTECTIVE SERVICES II, LLCModification · PIID 140R3021C0015
    Action+$176K
    Award net obligations$1.9M
  5. C-N-B SECURITY INC.Base award · PIID 140L4326P0123
    Action+$10K
    Award net obligations$10K
  6. MONTECH INCModification · PIID 140G0121C0004
    Action+$122K
    Award net obligations$7.2M
  7. LAKE COUNTY RAILROADModification · PIID 140L4323P0126
    Action+$30K
    Award net obligations$142K
  8. WHEELER, COUNTY OFModification · PIID 140L4326P0082
    Action+$5K
    Award net obligations$20K
  9. AHTNA LOGISTICS, LLCBase award · PIID 140G0126C0011
    Action+$1.7M
    Award net obligations$1.7M
  10. SAFETY AND SECURITY SERVICES, INCORPORATEDModification · PIID 140A2320P0745
    Action+$44K
    Award net obligations$1.5M

DOI security guards and patrol services market FAQs

Answers based on reported federal contract data.

Who are the top DOI security guards and patrol services contractors?

In the 12 months through September 10, 2026, THE WHITESTONE GROUP, INC., CENTERRA GROUP, LLC, and CHENEGA NASWIK INTERNATIONAL LLC were the leading DOI security guards and patrol services prime contractors by positive obligations.

  1. #1

    THE WHITESTONE GROUP, INC.

    $10,270,038 in positive obligations

  2. #2

    CENTERRA GROUP, LLC

    $6,861,718 in positive obligations

  3. #3

    CHENEGA NASWIK INTERNATIONAL LLC

    $3,462,901 in positive obligations

Rankings use reported USAspending award data.

Did DOI contract obligations decrease in the security guards and patrol services market?

Yes. Measured by net prime contract obligations, reported DOI activity in the security guards and patrol services market decreased 26.8% from $47,285,670 in the preceding 12 months to $34,599,664 in the 12 months through September 10, 2026.

Latest 12 months
$34,599,664
Net prime contract obligations
Preceding 12 months
$47,285,670
Net prime contract obligations
Change
−26.8%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

What recent DOI contract award activity was reported in the security guards and patrol services market?

Recent DOI contract award activity reported in the security guards and patrol services market included actions for CHENEGA SECURITY CALIFORNIA CORPORATION, CENTERRA GROUP, LLC, and CHENEGA TOTAL ASSET PROTECTION, LLC during the 12 months through September 10, 2026.

Action obligations are transaction-level amounts, not current award-level obligations.

Which procurement methods were reported for DOI contracts under NAICS 561612?

From September 11, 2025 through September 10, 2026, DOI reported 108 positive-obligation awards for security guards and patrol services under NAICS 561612. The leading award type was delivery order. The leading reported procedure was subject to multiple award fair opportunity.

Positive-obligation awards
108
Leading reported procedure
Subject to Multiple Award Fair Opportunity
36.3% of positive obligations
Leading award type
Delivery Order
49% of positive obligations
Full and open
36.4%
of positive obligations
Reported parent IDV
49.9%
of positive obligations

Percentages use positive obligations as the denominator.

Which DOI security guards and patrol services awards may warrant recompete research?

2 DOI security guards and patrol services awards may warrant recompete research based on reported potential-end dates, including awards held by CENTERRA GROUP, LLC and UNIVERSAL PROTECTION SERVICE, LLC.

Research leads, not confirmed recompetes. Dates may change through later modifications.

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Related market research

Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Markets sharing leading prime records:

Leading-prime vehicle memberships:

Company memberships do not establish award-channel use.

Reported obligations include contract actions from October 1, 2021 through September 10, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology