Federal Capture Intelligence

Top DOT security systems services (except locksmiths) contractors (NAICS 561621)

Contract actions: October 1, 2021 – October 23, 2026 Updated October 24, 2026 Department of Transportation agency guide NAICS 561621 · Security Systems Services (except Locksmiths)
Latest 12 months
$51.9M
Net obligations · Up $15.9M vs. $36.0M preceding
Prime contractors
22
With positive obligations in the latest 12 months

Research the DOT federal contracting market for security systems services (except locksmiths) under NAICS 561621. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, and contract types, competition, and procurement methods.

Contract obligation trends for Security Systems Services (except Locksmiths) at the Department of Transportation

Federal records show $184.8M in net obligations across 396 awards in Security Systems Services (except Locksmiths) at the Department of Transportation from Oct 1, 2021 through Oct 23, 2026. This market accounts for 0.41% of $44.6B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations increased 44.0% from $36.0M to $51.9M. 1 prime contractor accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY27 is year-to-date through Oct 23, 2026; earlier years show complete fiscal-year totals.

FY27 year-to-date: −$444K versus $0 through the same date in FY26 (Not comparable).
Net obligations · complete fiscal yearNet obligations · FY27 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$27.6M260Complete
FY2023$30.6M170Complete
FY2024$37.6M195Complete
FY2025$37.1M234Complete
FY2026$52.3M288Complete

Market at a glance

All reported prime contract awards
All-period net obligations
$184.8M
396 awards · 60 prime contractors
Latest 12-month movement
+44.0%
$51.9M vs. $36.0M
Leading eight prime share
99.6%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.41% of $44.6B in agency-wide net obligations.
Set-aside share when reported
21.8% of 78 awards with reported set-aside status.
Set-aside reporting
17 set aside · 61 no set-aside · 318 not reported

What changed in the last 12 months?

Oct 24, 2025–Oct 23, 2026, compared with Oct 24, 2024–Oct 23, 2025.

Competitive shifts

M. C. DEAN, INC. gained the most market share
70.9%→92.9%+22.0 percentage points
The contractor now ranks #1 by positive obligations, based on 169 reported actions.
KBR WYLE SERVICES, LLC lost the most market share
21.6%→5.4%−16.2 percentage points
The contractor now ranks #2 by positive obligations, based on 6 reported actions.
J2 ASSOCIATES, LLC fell the most in the contractor rankings
#3→#15Down 12 places
The contractor accounts for 0.040% of positive obligations across 7 reported actions.

Buyer demand

Reported obligations through FAA increased
$33.5M→$51.1M+$17.5M
Latest-period activity spans 166 awards across 3 prime contractors.
Reported obligations through WCF OFFICE OF THE IMMEDIATE SEC. decreased
$1.3M→$45K−$1.2M
Latest-period activity spans 5 awards across 5 prime contractors.

Award activity

M. C. DEAN, INC. received an unusually large obligation action
$9.1MJun 4, 2026 action
Reported under PIID 693KA826F00085 by FAA. Award net obligations after the action: $14.7M.
View supporting award
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 Oct 23, 2026.

98.4% of positive obligations were attributed to FAA (693KB3). That represents $51.1M, up $17.5M from the preceding 12 months.

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

  1. FAA (693KB3)98.4% · $51.1M · up $17.5M
  2. 6973GH FRANCHISE ACQUISITION SVCS0.63% · $329K · up $299K
  3. FAA (693JG2)0.38% · $195K · down $112K
  4. 697DCK REGIONAL ACQUISITIONS SVCS0.27% · $142K · down $72K
  5. 6923G5 GREAT LAKES ST LAWRENCE SWY DEV. CORP.0.10% · $53K · up $13K
  6. All other reported offices0.22% 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

    FAA (693KB3)

    #1Rank unchanged

    Latest 12 months

    $51.1M

    98.4% of positive obligations

    Versus preceding 12 months

    +$17.5M

    3 active prime contractors · 166 awards

    View office comparison and evidence

    Reported obligations increased 52.3% from $33.5M to $51.1M. The office’s share of positive obligations moved from 93.1% to 98.4%, a change of +5.3 percentage points.

    The latest period contains 205 actions across 166 awards. The preceding period contained 3 active prime contractors and 111 awards.

    Leading award-level changes

  2. Reported funding office

    6973GH FRANCHISE ACQUISITION SVCS

    #2Up 6 from #8

    Latest 12 months

    $329K

    0.63% of positive obligations

    Versus preceding 12 months

    +$299K

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations increased 995.1% from $30K to $329K. The office’s share of positive obligations moved from 0.080% to 0.63%, a change of +0.6 percentage points.

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

  3. Reported funding office

    FAA (693JG2)

    #3Up 1 from #4

    Latest 12 months

    $195K

    0.38% of positive obligations

    Versus preceding 12 months

    −$112K

    12 active prime contractors · 13 awards

    View office comparison and evidence

    Reported obligations decreased 36.5% from $307K to $195K. The office’s share of positive obligations moved from 0.85% to 0.38%, a change of −0.5 percentage points.

    The latest period contains 48 actions across 13 awards and 4 newly active prime contractors. The preceding period contained 12 active prime contractors and 14 awards.

  4. Reported funding office

    697DCK REGIONAL ACQUISITIONS SVCS

    #4Up 1 from #5

    Latest 12 months

    $142K

    0.27% of positive obligations

    Versus preceding 12 months

    −$72K

    5 active prime contractors · 6 awards

    View office comparison and evidence

    Reported obligations decreased 33.7% from $215K to $142K. The office’s share of positive obligations moved from 0.60% to 0.27%, a change of −0.3 percentage points.

    The latest period contains 21 actions across 6 awards and 2 newly active prime contractors. The preceding period contained 7 active prime contractors and 8 awards.

  5. Reported funding office

    6923G5 GREAT LAKES ST LAWRENCE SWY DEV. CORP.

    #5Up 2 from #7

    Latest 12 months

    $53K

    0.10% of positive obligations

    Versus preceding 12 months

    +$13K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 32.5% from $40K to $53K. The office’s share of positive obligations moved from 0.11% to 0.10%, a change of 0.0 percentage points.

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

  6. Reported funding office

    WCF OFFICE OF THE IMMEDIATE SEC.

    #6Down 4 from #2

    Latest 12 months

    $45K

    0.090% of positive obligations

    Versus preceding 12 months

    −$1.2M

    5 active prime contractors · 5 awards

    View office comparison and evidence

    Reported obligations decreased 96.5% from $1.3M to $45K. The office’s share of positive obligations moved from 3.6% to 0.090%, a change of −3.5 percentage points.

    The latest period contains 11 actions across 5 awards and 1 newly active prime contractor. The preceding period contained 4 active prime contractors and 4 awards.

    Leading award-level changes

  7. Reported funding office

    6923G2 DOT MARITIME ADMINISTRATION

    #7New to the positive-obligation ranking

    Latest 12 months

    $20K

    0.040% of positive obligations

    Versus preceding 12 months

    +$20K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $20K. The office’s share of positive obligations moved from 0% to 0.040%, a change of 0.0 percentage points.

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

  8. Reported funding office

    FHWA - EASTERN FEDERAL LANDS DIVISI

    #8Up 3 from #11

    Latest 12 months

    $19K

    0.040% of positive obligations

    Versus preceding 12 months

    +$5K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 33.7% from $14K to $19K. The office’s share of positive obligations moved from 0.040% to 0.040%, a change of 0.0 percentage points.

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

  9. Reported funding office

    6982AF CENTRAL FEDERAL LANDS DIVISI

    #9New to the positive-obligation ranking

    Latest 12 months

    $14K

    0.030% of positive obligations

    Versus preceding 12 months

    +$14K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $14K. The office’s share of positive obligations moved from 0% to 0.030%, a change of 0.0 percentage points.

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

  10. Reported funding office

    693KA9 CONTRACTING FOR SERVICES

    #10New to the positive-obligation ranking

    Latest 12 months

    $8K

    0.020% of positive obligations

    Versus preceding 12 months

    +$8K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $8K. The office’s share of positive obligations moved from 0% to 0.020%, a change of 0.0 percentage points.

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

  11. Reported funding office

    692M15 ACQUISITION & GRANTS, AAQ600

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$68K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $68K to $0. The office’s share of positive obligations moved from 0.19% to 0%, a change of −0.2 percentage points.

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

  12. Reported funding office

    693KA8 SYSTEM OPERATIONS CONTRACTS

    No positive-obligation rank

    Latest 12 months

    −$8K

    0% of positive obligations

    Versus preceding 12 months

    −$492K

    2 active prime contractors · 5 awards

    View office comparison and evidence

    Reported obligations moved from $483K in net obligations to $8K in net deobligations. The office’s share of positive obligations moved from 1.3% to 0%, a change of −1.3 percentage points.

    The latest period contains 6 actions across 5 awards and 1 newly active prime contractor. The preceding period contained 1 active prime contractor and 2 awards.

Contract types, competition, and procurement methods

From Oct 24, 2025 through Oct 23, 2026, 63 awards had positive obligations totaling $57.6M. Negotiated Proposal/Quote was the leading reported procedure, accounting for 75.2% of positive obligations. Awards with a reported parent IDV accounted for 82.5%.

Leading award type
82.5%
Delivery Order
Leading reported procedure
75.2%
Negotiated Proposal/Quote
Reported parent IDV
82.5%
of positive obligations had a reported parent IDV
Median reported offers
1
24 of 63 awards reported offers

Buying method changes

Compared with Oct 24, 2024–Oct 23, 2025. Based on 63 current awards and 69 preceding awards with positive net obligations.

Negotiated Proposal/Quote obligation share
75.2%
Down from 93.5% 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 561621 peer median, parent-IDV obligation share is 48.9 percentage points higher, reported full-and-open obligation share is 68.8 percentage points higher, delivery-order obligation share is 59.4 percentage points higher, and median positive award obligations are 294.7% higher.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share82.5%33.6%+48.9 pts
Reported full-and-open obligation share75.2%6.4%+68.8 pts
Delivery-order obligation share82.5%23.1%+59.4 pts
Median positive award obligations$152K$39K+294.7%
Peer cohort and comparison limits

The peer median gives each of the 11 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)39$47.5M82.5%
Definitive Contract(D)16$9.6M16.7%
Purchase Order(B)8$483K0.84%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)39$47.5M82.5%
Not reported24$10.1M17.5%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)39$47.5M82.5%
Not reported24$10.1M17.5%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Negotiated Proposal/Quote(NP)36$43.3M75.2%
Np(NEGOTIATED PROPOSAL/QUOTE)14$12.7M22.1%
Only One Source(SSS)4$1.3M2.3%
Simplified Acquisition(SP1)6$120K0.21%
Sss(ONLY ONE SOURCE)1$45K0.080%
Sp1(SIMPLIFIED ACQUISITION)2$23K0.040%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)34$43.3M75.2%
A(FULL AND OPEN COMPETITION)14$12.7M22.1%
Not Competed(C)2$1.2M2.1%
Not Available for Competition(B)2$109K0.19%
Competed Under SAP(F)3$67K0.12%
Not Competed Under SAP(G)3$53K0.090%
Other reported values5$100K0.17%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Not reported63$57.6M100.0%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Only One Source-Other (FAR 6.302-1 Other)(ONE)2$1.2M2.1%
Utilities (FAR 6.302-1(B)(3))(UT)1$72K0.13%
SAP Non-Competition (FAR 13)(SP2)4$55K0.10%
Urgency (FAR 6.302-2)(URG)1$45K0.080%
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)1$36K0.060%
Not reported54$56.1M97.5%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Time and Materials(Y)18$34.2M59.3%
Firm Fixed Price(J)28$10.6M18.4%
Y(TIME AND MATERIALS)5$7.3M12.8%
J(FIRM FIXED PRICE)12$5.5M9.5%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Miscellaneous Alarm, Signal, and Security Detection Systems(6350)42$47.6M82.7%
Maint/Repair/Rebuild of Equipment- Alarm, Signal, and Security Detection Systems(J063)6$9.3M16.1%
Installation of Equipment- Alarm, Signal, and Security Detection Systems(N063)1$329K0.57%
Other Qc/Test/Inspect- Fire Fighting/Rescue/Safety Equipment; Environ Protect Equipment/Matls(H942)1$85K0.15%
Maint/Repair/Rebuild of Equipment- Fire Control Equipment(J012)2$84K0.15%
Utilities- Other(S119)1$72K0.13%
Other reported values10$153K0.27%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Federal Aviation Administration(6920)56$57.4M99.7%
Saint Lawrence Seaway Development Corporation(6947)1$53K0.090%
Immediate Office of the Secretary of Transportation(6901)2$48K0.080%
Federal Highway Administration(6925)3$34K0.060%
Maritime Administration(6938)1$20K0.040%

Awarding offices

Reported valueAwardsPositive obligationsShare
693ka8 System Operations Contracts(693KA8)41$56.7M98.5%
697dck Regional Acquisitions Svcs(697DCK)13$343K0.60%
6973gh Franchise Acquisition Svcs(6973GH)1$329K0.57%
693ka9 Contracting for Services(693KA9)1$55K0.10%
6923g5 Great Lakes St Lawrence Swy Dev. Corp.(6923G5)1$53K0.090%
693jk4 Ost(693JK4)2$48K0.080%
Other reported values4$54K0.094%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
693KA819D00007(6920)38$46.6M80.9%
693KA818D00017(6920)1$900K1.6%
Not reported24$10.1M17.5%

Offers, award size, and timing

Median reported offers
1 median
24 reported · 39 not reported
Positive award obligations
$152K median
$38K–$900K middle 50%
Reported performance period
1,187 days (~3.2 years) median
63 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 Oct 23, 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
1 of 22prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
92.9%of positive obligations in the last 12 months
Leading four prime contractors
99.1%of positive obligations in the last 12 months
Leading eight prime contractors
99.6%of positive obligations in the last 12 months

Based on $52.5M in positive obligations during the 12 months ending Oct 23, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Oct 24, 2024–Oct 23, 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

    $48.8M

    92.9%

    Dollar movement

    +$23.2M

    vs. prior 12 months

    Last 12mo awards

    137 awards

    169 actions

    Historical and award details for M. C. DEAN, INC.
    Obligations: prior → latest
    $25.5M → $48.8M
    +91.0%
    Share: prior → latest
    70.9% → 92.9%
    +22.0 percentage points
    All-period obligations
    $115.7M
    62.6% of all-period positive obligations · 206 awards
    Recorded activity
    Since Nov 4, 2021
    through Oct 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported13675
    Reported small business00
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $2.9M

    5.4%

    Dollar movement

    −$4.9M

    vs. prior 12 months

    Last 12mo awards

    1 award

    6 actions

    Historical and award details for KBR WYLE SERVICES, LLC
    Obligations: prior → latest
    $7.8M → $2.9M
    −63.3%
    Share: prior → latest
    21.6% → 5.4%
    −16.2 percentage points
    All-period obligations
    $29.8M
    16.1% of all-period positive obligations · 1 award
    Recorded activity
    Since Nov 10, 2021
    through Jul 30, 2026

    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.

  3. #3

    Last 12mo obligations

    $329K

    0.63%

    Dollar movement

    +$329K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for S & K SECURITY GROUP LLC
    Obligations: prior → latest
    $0 → $329K
    Not comparable
    Share: prior → latest
    0% → 0.63%
    +0.6 percentage points
    All-period obligations
    $329K
    0.18% of all-period positive obligations · 1 award
    Recorded activity
    Since Nov 17, 2025
    through Nov 17, 2025

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business10
    All-period set-aside types

    None reported.

  4. #4

    Last 12mo obligations

    $85K

    0.16%

    Dollar movement

    +$16K

    vs. prior 12 months

    Last 12mo awards

    1 award

    9 actions

    Historical and award details for JOHNSON CONTROLS FIRE PROTECTION LP
    Obligations: prior → latest
    $69K → $85K
    +22.9%
    Share: prior → latest
    0.19% → 0.16%
    0.0 percentage points
    All-period obligations
    $946K
    0.51% of all-period positive obligations · 4 awards
    Recorded activity
    Since Jan 5, 2022
    through Sep 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside13
    Not reported00
    Reported small business01
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $71K

    0.14%

    Dollar movement

    −$26K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    7 actions

    Historical and award details for KOORSEN FIRE & SECURITY INC
    Obligations: prior → latest
    $97K → $71K
    −27.1%
    Share: prior → latest
    0.27% → 0.14%
    −0.1 percentage points
    All-period obligations
    $329K
    0.18% of all-period positive obligations · 2 awards
    Recorded activity
    Since Oct 13, 2021
    through Jul 7, 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.

  6. #6

    Last 12mo obligations

    $55K

    0.11%

    Dollar movement

    −$33K

    vs. prior 12 months

    Last 12mo awards

    1 award

    4 actions

    Historical and award details for CONCENTRIC SECURITY LLC
    Obligations: prior → latest
    $88K → $55K
    −37.6%
    Share: prior → latest
    0.25% → 0.11%
    −0.1 percentage points
    All-period obligations
    $727K
    0.39% of all-period positive obligations · 2 awards
    Recorded activity
    Since Feb 9, 2022
    through Sep 1, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside12
    Not reported00
    Reported small business01
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $55K

    0.10%

    Dollar movement

    +$36K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    3 actions

    Historical and award details for SIGNET TECHNOLOGIES, INC.
    Obligations: prior → latest
    $19K → $55K
    +186.4%
    Share: prior → latest
    0.050% → 0.10%
    +0.1 percentage points
    All-period obligations
    $129K
    0.070% of all-period positive obligations · 2 awards
    Recorded activity
    Since Nov 10, 2021
    through Sep 28, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside21
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  8. #8

    Last 12mo obligations

    $53K

    0.10%

    Dollar movement

    +$13K

    vs. prior 12 months

    Last 12mo awards

    1 award

    2 actions

    Historical and award details for HIDENIS GROUP LLC
    Obligations: prior → latest
    $40K → $53K
    +32.5%
    Share: prior → latest
    0.11% → 0.10%
    0.0 percentage points
    All-period obligations
    $221K
    0.12% of all-period positive obligations · 1 award
    Recorded activity
    Since May 20, 2022
    through Jul 6, 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 · Total small business
  9. #9

    Last 12mo obligations

    $36K

    0.070%

    Dollar movement

    +$36K

    vs. prior 12 months

    Last 12mo awards

    1 award

    7 actions

    Historical and award details for HURTVET SUBCONTRACTING, INC.
    Obligations: prior → latest
    $0 → $36K
    Not comparable
    Share: prior → latest
    0% → 0.070%
    +0.1 percentage points
    All-period obligations
    $80K
    0.040% of all-period positive obligations · 2 awards
    Recorded activity
    Since Dec 1, 2021
    through Jul 16, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business10
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $32K

    0.060%

    Dollar movement

    $0

    no change vs. prior 12 months

    Last 12mo awards

    1 award

    5 actions

    Historical and award details for SIEMENS INDUSTRY INC
    Obligations: prior → latest
    $32K → $32K
    +0.0%
    Share: prior → latest
    0.090% → 0.060%
    0.0 percentage points
    All-period obligations
    $285K
    0.15% of all-period positive obligations · 4 awards
    Recorded activity
    Since Nov 8, 2021
    through Jul 2, 2026

    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.

  11. #11

    Last 12mo obligations

    $23K

    0.040%

    Dollar movement

    +$16K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    6 actions

    Historical and award details for OPTIMUM LOW VOLTAGE LLC
    Obligations: prior → latest
    $7K → $23K
    +217.3%
    Share: prior → latest
    0.020% → 0.040%
    0.0 percentage points
    All-period obligations
    $56K
    0.030% of all-period positive obligations · 2 awards
    Recorded activity
    Since Mar 4, 2022
    through Oct 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside10
    Not reported00
    Reported small business21
    All-period set-aside types
    • 1 · Total small business
  12. #12

    Last 12mo obligations

    $20K

    0.040%

    Dollar movement

    $0

    no change vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for ONSOLVE LLC
    Obligations: prior → latest
    $20K → $20K
    +0.0%
    Share: prior → latest
    0.060% → 0.040%
    0.0 percentage points
    All-period obligations
    $41K
    0.020% of all-period positive obligations · 1 award
    Recorded activity
    Since Sep 3, 2025
    through Sep 2, 2026

    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.

  13. #13

    Last 12mo obligations

    $20K

    0.040%

    Dollar movement

    +$20K

    vs. prior 12 months

    Last 12mo awards

    1 award

    5 actions

    Historical and award details for 0369 SECURITY SOLUTIONS SERVICES LLC
    Obligations: prior → latest
    $0 → $20K
    Not comparable
    Share: prior → latest
    0% → 0.040%
    0.0 percentage points
    All-period obligations
    $20K
    0.010% of all-period positive obligations · 1 award
    Recorded activity
    Since Nov 24, 2025
    through Jun 17, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business10
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $19K

    0.040%

    Dollar movement

    +$19K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for WYCLIFFE ENTERPRISES, INC.
    Obligations: prior → latest
    $0 → $19K
    Not comparable
    Share: prior → latest
    0% → 0.040%
    0.0 percentage points
    All-period obligations
    $19K
    0.010% of all-period positive obligations · 1 award
    Recorded activity
    Since Jun 5, 2026
    through Jun 5, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business10
    All-period set-aside types

    None reported.

  15. #15

    Last 12mo obligations

    $19K

    0.040%

    Dollar movement

    −$1.2M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    7 actions

    Historical and award details for J2 ASSOCIATES, LLC
    Obligations: prior → latest
    $1.2M → $19K
    −98.5%
    Share: prior → latest
    3.4% → 0.040%
    −3.4 percentage points
    All-period obligations
    $2.2M
    1.2% of all-period positive obligations · 6 awards
    Recorded activity
    Since Sep 16, 2022
    through Sep 29, 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
    • 6 · Total small business

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

+$9.1M

M. C. DEAN, INC.

FAA

PSEMS2 MIGRATION PART 3 (WP 2025-WA-004, MOD 01)

Why it stands out

The award grew alongside stronger contractor activity.

The modification added $9.1M while contractor obligations rose $23.2M overall.

Award net obligations
$14.7M
Share of 12-month positive obligations
17.4%
Supporting data
Prime contractor
#1 · 92.9% share
+22.0 percentage points · $23.2M net increase; action accounted for 39.3%
Funding office
#1 · 98.4% attributed share
+5.3 percentage points · $17.5M net increase; action accounted for 52.1%
Related:Largest share gainFunding office gain
PIID 693KA826F00085 · Mod P00001
Modification

This action

+$5.3M

M. C. DEAN, INC.

FAA

SECURITY SYSTEM MAINTENANCE CONTRACT - ADDING INCREMENTAL FUNDING

Why it stands out

One action represented 10.0% of the market’s latest 12-month positive obligations.

At $5.3M, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$6.4M
Share of 12-month positive obligations
10.0%
PIID 693KA826C00003 · Mod P00001
Modification

This action

+$4.3M

M. C. DEAN, INC.

FAA

NEW YORK TRACON (N90) FACILITY PHASE 2B (IMPLEMENTATION) SECURITY SYSTEM (WORK PLAN 2022-EA-002, MOD 02)

Why it stands out

One action represented 8.2% of the market’s latest 12-month positive obligations.

At $4.3M, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$5.5M
Share of 12-month positive obligations
8.2%
PIID 693KA825F00216 · Mod P00002
Base award

This action

+$3.5M

M. C. DEAN, INC.

FAA

FSL3 PSEMS SITES (WP 2026-WA-003) PHASE 1 (SITE SURVEY/DESIGN) FOR 33 SITES

Why it stands out

One action represented 6.6% of the market’s latest 12-month positive obligations.

At $3.5M, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$3.5M
Share of 12-month positive obligations
6.6%
PIID 693KA826F00207
Base award

This action

+$329K

S & K SECURITY GROUP LLC

6973GH FRANCHISE ACQUISITION SVCS

EL PASO MICROWAVE & SENSOR REPLACEMENT FOR US CUSTOMS & BORDER PROTECTION AGENCY

Why it stands out

No activity for this contractor was reported in this market during the preceding 12 months.

The base action placed the contractor #3 in this market by positive obligations over the latest 12 months.

Award net obligations
$329K
Share of 12-month positive obligations
0.63%
Supporting data
Prime contractor
#3 · 0.63% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#2 · 0.63% attributed share
up 6 ranks · +0.6 percentage points · $299K net increase; action exceeded it by $30K
PIID 6973GH26P00253
Deobligation

This action

−$663K

VERSAR SECURITY SYSTEMS, LLC

FAA

WILMINGTON ATCT (ILG) - DEOB EXCESS FUNDS

Why it stands out

The award contracted while office-attributed spending grew overall.

The action removed $663K while office-attributed spending rose $17.5M.

Award net obligations
$93K
Share of 12-month positive obligations
1.3%
Supporting data
Prime contractor
0% share
−2.0 percentage points · $1.3M net decline; action accounted for 51.8%
Funding office
#1 · 98.4% attributed share
$17.5M net increase despite this negative action
PIID 693KA820F00309 · Mod P00004
View recent award activity by date (10)
  1. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA824F00213
    Action−$100K
    Award net obligations$3.8M
  2. M. C. DEAN, INC.Deobligation · PIID 693KA822F00024
    Action−$95K
    Award net obligations$346K
  3. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA823F00010
    Action−$80K
    Award net obligations$1.5M
  4. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA820F00012
    Action−$45K
    Award net obligations$4.4M
  5. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA821F00177
    Action−$24K
    Award net obligations$66K
  6. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA823F00238
    Action−$17K
    Award net obligations$961K
  7. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA823F00305
    Action−$12K
    Award net obligations$343K
  8. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA821F00186
    Action−$10K
    Award net obligations$282K
  9. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA823F00131
    Action−$5K
    Award net obligations$168K
  10. VERSAR SECURITY SYSTEMS, LLCDeobligation · PIID 693KA823F00052
    Action−$4K
    Award net obligations$95K

DOT security systems services (except locksmiths) market FAQs

Answers based on reported federal contract data.

Who are the top DOT security systems services (except locksmiths) contractors?

In the 12 months through October 23, 2026, M. C. DEAN, INC., KBR WYLE SERVICES, LLC, and S & K SECURITY GROUP LLC were the leading DOT security systems services (except locksmiths) prime contractors by positive obligations.

  1. #1

    M. C. DEAN, INC.

    $48,761,861 in positive obligations

  2. #2

    KBR WYLE SERVICES, LLC

    $2,856,295 in positive obligations

  3. #3

    S & K SECURITY GROUP LLC

    $328,772 in positive obligations

Rankings use reported USAspending award data.

Did DOT contract obligations increase in the security systems services (except locksmiths) market?

Yes. Measured by net prime contract obligations, reported DOT activity in the security systems services (except locksmiths) market increased 44% from $36,014,031 in the preceding 12 months to $51,874,366 in the 12 months through October 23, 2026.

Latest 12 months
$51,874,366
Net prime contract obligations
Preceding 12 months
$36,014,031
Net prime contract obligations
Change
+44%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

What recent DOT contract award activity was reported in the security systems services (except locksmiths) market?

Recent DOT contract award activity reported in the security systems services (except locksmiths) market included actions for M. C. DEAN, INC., S & K SECURITY GROUP LLC, and VERSAR SECURITY SYSTEMS, LLC during the 12 months through October 23, 2026.

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

Which procurement methods were reported for DOT contracts under NAICS 561621?

From October 24, 2025 through October 23, 2026, DOT reported 63 positive-obligation awards for security systems services (except locksmiths) under NAICS 561621. The leading award type was delivery order. The leading reported procedure was negotiated proposal/quote.

Positive-obligation awards
63
Leading reported procedure
Negotiated Proposal/Quote
75.2% of positive obligations
Leading award type
Delivery Order
82.5% of positive obligations
Full and open
75.2%
of positive obligations
Reported parent IDV
82.5%
of positive obligations

Percentages use positive obligations as the denominator.

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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 October 23, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology