Federal Capture Intelligence

Top HHS environmental consulting services contractors (NAICS 541620)

Contract actions: October 1, 2021 – September 10, 2026 Updated September 11, 2026 Department of Health and Human Services agency guide NAICS 541620 · Environmental Consulting Services
Latest 12 months
$6.6M
Net obligations · Down $10.1M vs. $16.8M preceding
Prime contractors
16
With positive obligations in the latest 12 months

Research the HHS federal contracting market for environmental consulting services under NAICS 541620. 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 Environmental Consulting Services at the Department of Health and Human Services

Federal records show $87.1M in net obligations across 375 awards in Environmental Consulting Services at the Department of Health and Human Services from Oct 1, 2021 through Sep 10, 2026. This market accounts for 0.060% of $145.5B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 60.5% from $16.8M to $6.6M. 6 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: $4.8M versus $14.1M through the same date in FY25 (−65.7%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$16.0M198Complete
FY2023$28.3M185Complete
FY2024$22.1M166Complete
FY2025$15.9M142Complete
FY2026$4.8M139YTD through Sep 10, 2026

Market at a glance

All reported prime contract awards
All-period net obligations
$87.1M
375 awards · 84 prime contractors
Latest 12-month movement
−60.5%
$6.6M vs. $16.8M
Leading eight prime share
93.5%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.060% of $145.5B in agency-wide net obligations.
Set-aside share when reported
47.8% of 67 awards with reported set-aside status.
Set-aside reporting
32 set aside · 35 no set-aside · 308 not reported

What changed in the last 12 months?

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

Buyer demand

Reported obligations through NIH A E CONSTRUCTION decreased
$6.6M→$4.1M−$2.5M
Latest-period activity spans 6 awards across 4 prime contractors.

Competitive shifts

EASTERN RESEARCH GROUP INC lost the most market share
9.25%→3.63%−5.6 percentage points
The contractor now ranks #7 by positive obligations, based on 12 reported actions.
RESOURCE MANAGEMENT GROUP, INC. recorded the largest net deobligation
−$886K→−$3.9M−$3.0M
The contractor now is unranked by positive obligations, based on 2 reported actions.
ACK3 CONSULTING, LLC gained the most market share
7.2%→13.2%+6.0 percentage points
The contractor now ranks #3 by positive obligations, based on 10 reported actions.
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.

32.8% of positive obligations were attributed to NIH A E CONSTRUCTION. That represents $4.1M, down $2.5M from the preceding 12 months.

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

  1. NIH A E CONSTRUCTION32.8% · $4.1M · down $2.5M
  2. OMAS STRATEGIC BUYING CENTER - HHS MISSION30.7% · $3.9M · up $3.9M
  3. NATIONAL INSTITUTES OF HEALTH OLAO14.6% · $1.8M · up $1.8M
  4. HRSA HEADQUARTERS8.9% · $1.1M · up $99K
  5. NATIONAL INSTITUTE OF HEALTH NIH-OD8.7% · $1.1M · down $552K
  6. All other reported offices4.3% 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

    NIH A E CONSTRUCTION

    #1Rank unchanged

    Latest 12 months

    $4.1M

    32.8% of positive obligations

    Versus preceding 12 months

    −$2.5M

    4 active prime contractors · 6 awards

    View office comparison and evidence

    Reported obligations decreased 37.7% from $6.6M to $4.1M. The office’s share of positive obligations moved from 38.9% to 32.8%, a change of −6.1 percentage points.

    The latest period contains 18 actions across 6 awards. The preceding period contained 7 active prime contractors and 19 awards.

  2. Reported funding office

    OMAS STRATEGIC BUYING CENTER - HHS MISSION

    #2New to the positive-obligation ranking

    Latest 12 months

    $3.9M

    30.7% of positive obligations

    Versus preceding 12 months

    +$3.9M

    1 active prime contractor · 3 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $3.9M. The office’s share of positive obligations moved from 0% to 30.7%, a change of +30.7 percentage points.

    The latest period contains 4 actions across 3 awards and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.

    Leading award-level changes

  3. Reported funding office

    NATIONAL INSTITUTES OF HEALTH OLAO

    #3New to the positive-obligation ranking

    Latest 12 months

    $1.8M

    14.6% of positive obligations

    Versus preceding 12 months

    +$1.8M

    2 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations moved from <$1 in net deobligations to $1.8M in net obligations. The office’s share of positive obligations moved from 0% to 14.6%, a change of +14.6 percentage points.

    The latest period contains 5 actions across 4 awards and 2 newly active prime contractors. The preceding period contained 1 active prime contractor and 1 award.

  4. Reported funding office

    HRSA HEADQUARTERS

    #4Up 1 from #5

    Latest 12 months

    $1.1M

    8.9% of positive obligations

    Versus preceding 12 months

    +$99K

    1 active prime contractor · 12 awards

    View office comparison and evidence

    Reported obligations increased 9.7% from $1.0M to $1.1M. The office’s share of positive obligations moved from 6.0% to 8.9%, a change of +2.9 percentage points.

    The latest period contains 12 actions across 12 awards. The preceding period contained 2 active prime contractors and 11 awards.

  5. Reported funding office

    NATIONAL INSTITUTE OF HEALTH NIH-OD

    #5Down 1 from #4

    Latest 12 months

    $1.1M

    8.7% of positive obligations

    Versus preceding 12 months

    −$552K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations decreased 33.5% from $1.6M to $1.1M. The office’s share of positive obligations moved from 9.7% to 8.7%, a change of −1.0 percentage points.

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

  6. Reported funding office

    ALBUQUERQUE AREA INDIAN HEALTH SVC

    #6Rank unchanged

    Latest 12 months

    $311K

    2.5% of positive obligations

    Versus preceding 12 months

    −$2K

    4 active prime contractors · 10 awards

    View office comparison and evidence

    Reported obligations decreased 0.8% from $313K to $311K. The office’s share of positive obligations moved from 1.8% to 2.5%, a change of +0.6 percentage points.

    The latest period contains 12 actions across 10 awards. The preceding period contained 4 active prime contractors and 16 awards.

  7. Reported funding office

    FDA OFFICE OF ACQ GRANT SVCS

    #7Rank unchanged

    Latest 12 months

    $200K

    1.6% of positive obligations

    Versus preceding 12 months

    −$52K

    5 active prime contractors · 7 awards

    View office comparison and evidence

    Reported obligations decreased 20.6% from $252K to $200K. The office’s share of positive obligations moved from 1.5% to 1.6%, a change of +0.1 percentage points.

    The latest period contains 8 actions across 7 awards and 2 newly active prime contractors. The preceding period contained 3 active prime contractors and 3 awards.

  8. Reported funding office

    NAVAJO AREA INDIAN HEALTH SVC

    #8Up 4 from #12

    Latest 12 months

    $24K

    0.19% of positive obligations

    Versus preceding 12 months

    +$19K

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations increased 463.3% from $4K to $24K. The office’s share of positive obligations moved from 0.020% to 0.19%, a change of +0.2 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

    GREAT PLAINS AREA INDIAN HEALTH SVC

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$135K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $135K to $0. The office’s share of positive obligations moved from 0.79% to 0%, a change of −0.8 percentage points.

    The latest period contains 0 actions across 0 awards. The preceding period contained 2 active prime contractors and 2 awards.

  10. Reported funding office

    INDIAN HEALTH SERVICE

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    +$98K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations moved from $98K in net deobligations to $0 in net obligations. The office’s share of positive obligations moved from 0% to 0%, a change of 0.0 percentage points.

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

  11. Reported funding office

    NATIONAL INSTITUTES OF HEALTH NLM

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    +$73K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations moved from $73K in net deobligations to $0 in net obligations. The office’s share of positive obligations moved from 0% to 0%, a change of 0.0 percentage points.

    The latest period contains 0 actions across 0 awards. The preceding period contained 2 active prime contractors and 2 awards.

  12. Reported funding office

    CDC OFFICE OF ACQUISITION SERVICES

    No positive-obligation rank

    Latest 12 months

    −$984K

    0% of positive obligations

    Versus preceding 12 months

    −$3.8M

    6 active prime contractors · 52 awards

    View office comparison and evidence

    Reported obligations moved from $2.8M in net obligations to $984K in net deobligations. The office’s share of positive obligations moved from 16.5% to 0%, a change of −16.5 percentage points.

    The latest period contains 59 actions across 52 awards and 2 newly active prime contractors. The preceding period contained 7 active prime contractors and 27 awards.

  13. Reported funding office

    PROGRAM SUPPORT CENTER ACQ MGMT SVC

    No positive-obligation rank

    Latest 12 months

    −$5.0M

    0% of positive obligations

    Versus preceding 12 months

    −$9.1M

    4 active prime contractors · 9 awards

    View office comparison and evidence

    Reported obligations moved from $4.1M in net obligations to $5.0M in net deobligations. The office’s share of positive obligations moved from 24.2% to 0%, a change of −24.2 percentage points.

    The latest period contains 11 actions across 9 awards and 1 newly active prime contractor. The preceding period contained 3 active prime contractors and 4 awards.

    Leading award-level changes

Contract types, competition, and procurement methods

From Sep 11, 2025 through Sep 10, 2026, 35 awards had positive obligations totaling $15.9M. Subject to Multiple Award Fair Opportunity was the leading reported procedure, accounting for 42.9% of positive obligations. Awards with a reported parent IDV accounted for 88.8%.

Leading award type
47.8%
BPA Call
Leading reported procedure
42.9%
Subject to Multiple Award Fair Opportunity
Reported parent IDV
88.8%
of positive obligations had a reported parent IDV
Median reported offers
1
13 of 35 awards reported offers

Buying method changes

Compared with Sep 11, 2024–Sep 10, 2025. Based on 35 current awards and 51 preceding awards with positive net obligations.

Median positive award obligations
$189K
Up from $69K in the preceding period
Delivery-order obligation share
41.0%
Up from 19.8% in the preceding period
Reported full-and-open obligation share
42.9%
Down from 63.4% 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 541620 peer median, parent-IDV obligation share is 10.1 percentage points higher, reported full-and-open obligation share is 0.9 percentage points lower, delivery-order obligation share is 19.0 percentage points lower, and median positive award obligations are 52.0% higher.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share88.8%78.7%+10.1 pts
Reported full-and-open obligation share42.9%43.9%-0.9 pts
Delivery-order obligation share41.0%60.0%-19.0 pts
Median positive award obligations$189K$124K+52.0%
Peer cohort and comparison limits

The peer median gives each of the 12 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
BPA Call(A)18$7.6M47.8%
Delivery Order(C)11$6.5M41.0%
Purchase Order(B)4$1.2M7.3%
Definitive Contract(D)2$619K3.9%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
BPA(E)18$7.6M47.8%
IDC(B)9$6.1M38.2%
FSS(C)2$435K2.7%
Not reported6$1.8M11.2%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)22$12.6M79.3%
Multiple Award(M)7$1.5M9.5%
Not reported6$1.8M11.2%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Subject to Multiple Award Fair Opportunity(MAFO)16$6.8M42.9%
Negotiated Proposal/Quote(NP)3$4.3M27.1%
Only One Source(SSS)6$1.7M11.0%
Mafo(SUBJECT TO MULTIPLE AWARD FAIR OPPORTUNITY)4$1.2M7.6%
Np(NEGOTIATED PROPOSAL/QUOTE)2$1.2M7.3%
Simplified Acquisition(SP1)4$642K4.0%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)16$6.8M42.9%
Full and Open Competition After Exclusion of Sources(D)3$4.3M27.1%
A(FULL AND OPEN COMPETITION)5$2.3M14.5%
Not Available for Competition(B)5$1.7M10.7%
Not Competed Under SAP(G)1$441K2.8%
Competed Under SAP(F)3$202K1.3%
Other reported values2$107K0.68%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Competitive Set Aside(CSA)2$3.7M23.2%
Fair Opportunity Given(FAIR)15$3.6M22.5%
Only One Source - Other(ONE)2$578K3.6%
Other Statutory Authority(OSA)1$189K1.2%
Not reported15$7.8M49.5%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)6$2.1M13.5%
Urgency (FAR 6.302-2)(URG)1$40K0.25%
Not reported28$13.7M86.2%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)24$8.6M54.0%
Time and Materials(Y)5$4.9M31.0%
Y(TIME AND MATERIALS)2$1.2M7.3%
J(FIRM FIXED PRICE)3$824K5.2%
Z(LABOR HOURS)1$384K2.4%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Environmental Systems Protection- Environmental Consulting and Legal Support(F115)4$4.4M27.5%
Repair or Alteration of Miscellaneous Buildings(Z2JZ)2$2.4M14.9%
Special Studies/Analysis- Environmental Assessments(B510)2$2.2M13.7%
Other Environmental Services(F999)7$1.9M12.2%
Support- Professional: Engineering/Technical(R425)1$1.5M9.5%
Support- Professional: Other(R499)3$1.4M8.6%
Other reported values16$2.2M13.7%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
National Institutes of Health(7529)10$7.0M44.4%
Office of the Assistant Secretary for Financial Resources(7571)2$3.9M24.4%
Health Resources and Services Administration(7526)2$2.2M13.7%
Centers for Disease Control and Prevention(7523)6$1.3M7.9%
Office of the Assistant Secretary for Administration(7570)3$936K5.9%
Indian Health Service(7527)11$335K2.1%
Other reported values1$246K1.5%

Awarding offices

Reported valueAwardsPositive obligationsShare
Nih A E Construction(75N990)5$4.1M26.0%
Omas Strategic Buying Center - Hhs Mission(7571MN)2$3.9M24.4%
National Institutes of Health Olao(75N980)5$2.9M18.4%
Hrsa Headquarters(75R602)2$2.2M13.7%
Cdc Office of Acquisition Services(75D301)6$1.3M7.9%
Program Support Center Acq Mgmt Svc(75P001)3$936K5.9%
Other reported values12$581K3.7%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
75P00125D00003(7570)4$4.4M27.5%
75N99024A00017(7529)1$2.2M13.8%
75R60223A00021(7526)2$2.2M13.7%
75N99025D00001(7529)5$1.7M10.7%
75N99019A00002(7529)1$1.5M9.5%
75D30121A12815(7523)3$661K4.2%
75D30123A17948(7523)2$406K2.6%
75N98023A00016(7529)1$384K2.4%
Other reported values10$706K4.5%
Not reported6$1.8M11.2%

Offers, award size, and timing

Median reported offers
1 median
13 reported · 22 not reported
Positive award obligations
$189K median
$43K–$430K middle 50%
Reported performance period
364 days (~12 months) median
35 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
6 of 16prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
29.4%of positive obligations in the last 12 months
Leading four prime contractors
68.5%of positive obligations in the last 12 months
Leading eight prime contractors
93.5%of positive obligations in the last 12 months

Based on $14.2M 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

    $4.2M

    29.4%

    Dollar movement

    −$445K

    vs. prior 12 months

    Last 12mo awards

    6 awards

    9 actions

    Historical and award details for PROPERTY & ENVIRONMENTAL MANAGEMENT INC
    Obligations: prior → latest
    $4.6M → $4.2M
    −9.6%
    Share: prior → latest
    25.9% → 29.4%
    +3.5 percentage points
    All-period obligations
    $13.0M
    12.6% of all-period positive obligations · 7 awards
    Recorded activity
    Since Oct 31, 2023
    through Sep 2, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported51
    Reported small business62
    All-period set-aside types
    • 2 · 8(a) sole source
  2. #2

    Last 12mo obligations

    $2.2M

    15.3%

    Dollar movement

    +$159K

    vs. prior 12 months

    Last 12mo awards

    1 award

    8 actions

    Historical and award details for ROMEM AQUA SYSTEMS CO INC
    Obligations: prior → latest
    $2.0M → $2.2M
    +7.9%
    Share: prior → latest
    11.3% → 15.3%
    +4.0 percentage points
    All-period obligations
    $8.9M
    8.6% of all-period positive obligations · 6 awards
    Recorded activity
    Since Oct 8, 2021
    through Jun 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported14
    Reported small business14
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $1.9M

    13.2%

    Dollar movement

    +$585K

    vs. prior 12 months

    Last 12mo awards

    6 awards

    10 actions

    Historical and award details for ACK3 CONSULTING, LLC
    Obligations: prior → latest
    $1.3M → $1.9M
    +45.1%
    Share: prior → latest
    7.2% → 13.2%
    +6.0 percentage points
    All-period obligations
    $3.2M
    3.1% of all-period positive obligations · 12 awards
    Recorded activity
    Since Oct 9, 2024
    through Jul 1, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported56
    Reported small business11
    All-period set-aside types
    • 1 · Total small business
  4. #4

    Last 12mo obligations

    $1.5M

    10.5%

    Dollar movement

    −$1.5M

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for NELSON ENGINEERING CO.
    Obligations: prior → latest
    $3.0M → $1.5M
    −49.9%
    Share: prior → latest
    16.8% → 10.5%
    −6.2 percentage points
    All-period obligations
    $14.1M
    13.7% of all-period positive obligations · 12 awards
    Recorded activity
    Since Oct 13, 2021
    through Sep 12, 2025

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported14
    Reported small business14
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $1.5M

    10.4%

    Dollar movement

    −$811K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    7 actions

    Historical and award details for CONSOLIDATED SAFETY SERVICES INCORPORATED
    Obligations: prior → latest
    $2.3M → $1.5M
    −35.4%
    Share: prior → latest
    12.8% → 10.4%
    −2.4 percentage points
    All-period obligations
    $11.2M
    10.9% of all-period positive obligations · 13 awards
    Recorded activity
    Since Mar 8, 2022
    through Aug 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported25
    Reported small business00
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $1.1M

    7.9%

    Dollar movement

    +$85K

    vs. prior 12 months

    Last 12mo awards

    12 awards

    12 actions

    Historical and award details for STANTEC CONSULTING SERVICES INC.
    Obligations: prior → latest
    $1.0M → $1.1M
    +8.2%
    Share: prior → latest
    5.8% → 7.9%
    +2.1 percentage points
    All-period obligations
    $10.7M
    10.3% of all-period positive obligations · 26 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-aside00
    Not reported1210
    Reported small business00
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $517K

    3.6%

    Dollar movement

    −$1.1M

    vs. prior 12 months

    Last 12mo awards

    10 awards

    12 actions

    Historical and award details for EASTERN RESEARCH GROUP INC
    Obligations: prior → latest
    $1.7M → $517K
    −68.7%
    Share: prior → latest
    9.3% → 3.6%
    −5.6 percentage points
    All-period obligations
    $6.5M
    6.3% of all-period positive obligations · 29 awards
    Recorded activity
    Since Sep 6, 2022
    through Sep 3, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1015
    Reported small business00
    All-period set-aside types

    None reported.

  8. #8

    Last 12mo obligations

    $441K

    3.1%

    Dollar movement

    +$82K

    vs. prior 12 months

    Last 12mo awards

    1 award

    2 actions

    Historical and award details for GLOBAL, INC
    Obligations: prior → latest
    $358K → $441K
    +23.0%
    Share: prior → latest
    2.0% → 3.1%
    +1.1 percentage points
    All-period obligations
    $1.5M
    1.4% of all-period positive obligations · 1 award
    Recorded activity
    Since Nov 1, 2022
    through Dec 30, 2025

    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) sole source
  9. #9

    Last 12mo obligations

    $406K

    2.9%

    Dollar movement

    −$269K

    vs. prior 12 months

    Last 12mo awards

    4 awards

    7 actions

    Historical and award details for SRC INC
    Obligations: prior → latest
    $675K → $406K
    −39.8%
    Share: prior → latest
    3.8% → 2.9%
    −0.9 percentage points
    All-period obligations
    $2.5M
    2.4% of all-period positive obligations · 20 awards
    Recorded activity
    Since Nov 30, 2021
    through Sep 8, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported46
    Reported small business00
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $237K

    1.7%

    Dollar movement

    +$129K

    vs. prior 12 months

    Last 12mo awards

    7 awards

    8 actions

    Historical and award details for RURAL AND TRIBAL ENVIRONMENTAL SOLUTIONS, INC
    Obligations: prior → latest
    $107K → $237K
    +120.8%
    Share: prior → latest
    0.60% → 1.7%
    +1.1 percentage points
    All-period obligations
    $927K
    0.90% of all-period positive obligations · 44 awards
    Recorded activity
    Since Jan 25, 2022
    through Jul 7, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported713
    Reported small business713
    All-period set-aside types

    None reported.

  11. #11

    Last 12mo obligations

    $189K

    1.3%

    Dollar movement

    +$189K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    4 actions

    Historical and award details for NEPTUNE AND COMPANY, INCORPORATED
    Obligations: prior → latest
    $0 → $189K
    Not comparable
    Share: prior → latest
    0% → 1.3%
    +1.3 percentage points
    All-period obligations
    $439K
    0.43% of all-period positive obligations · 2 awards
    Recorded activity
    Since Sep 22, 2023
    through Jun 9, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported20
    Reported small business20
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $40K

    0.28%

    Dollar movement

    −$42K

    vs. prior 12 months

    Last 12mo awards

    1 award

    2 actions

    Historical and award details for KERES CONSULTING INC
    Obligations: prior → latest
    $82K → $40K
    −51.1%
    Share: prior → latest
    0.46% → 0.28%
    −0.2 percentage points
    All-period obligations
    $122K
    0.12% of all-period positive obligations · 1 award
    Recorded activity
    Since Aug 11, 2025
    through Nov 13, 2025

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business11
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $26K

    0.18%

    Dollar movement

    −$79K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for RURAL COMMUNITY ASSISTANCE CORPORATION
    Obligations: prior → latest
    $105K → $26K
    −75.3%
    Share: prior → latest
    0.59% → 0.18%
    −0.4 percentage points
    All-period obligations
    $351K
    0.34% of all-period positive obligations · 9 awards
    Recorded activity
    Since Aug 4, 2022
    through Apr 2, 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.

  14. #14

    Last 12mo obligations

    $19K

    0.14%

    Dollar movement

    +$19K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for WHITETAIL ENVIRONMENTAL, LLC
    Obligations: prior → latest
    $0 → $19K
    Not comparable
    Share: prior → latest
    0% → 0.14%
    +0.1 percentage points
    All-period obligations
    $19K
    0.020% of all-period positive obligations · 1 award
    Recorded activity
    Since Jul 9, 2026
    through Jul 9, 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 · Indian small business
  15. #15

    Last 12mo obligations

    $9K

    0.060%

    Dollar movement

    −$11K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for SHIPLEY GROUP, INC., THE
    Obligations: prior → latest
    $19K → $9K
    −55.6%
    Share: prior → latest
    0.11% → 0.060%
    −0.1 percentage points
    All-period obligations
    $28K
    0.030% of all-period positive obligations · 2 awards
    Recorded activity
    Since Dec 2, 2024
    through Dec 5, 2025

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported11
    Reported small business11
    All-period set-aside types

    None reported.

Recent federal contract award activity

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

Deobligation

This action

−$2.3M

RESOURCE MANAGEMENT GROUP, INC.

PROGRAM SUPPORT CENTER ACQ MGMT SVC

FY26 UDO INITIATIVE

Why it stands out

This award recorded a material contraction.

The action removed $2.3M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$11.0M
Share of 12-month positive obligations
16.4%
Supporting data
Prime contractor
0% share
$3.0M net decline; action accounted for 77.6%
Funding office
0% attributed share
−24.2 percentage points · $9.1M net decline; action accounted for 25.8%
Related:Largest net deobligation
PIID 75P00118F37005 · Mod P00002
Base award

This action

+$2.0M

PROPERTY & ENVIRONMENTAL MANAGEMENT INC

OMAS STRATEGIC BUYING CENTER - HHS MISSION

FEDERAL OCCUPATIONAL HEALTH (FOH) ENVIRONMENTAL HEALTH AND SAFETY SUPPORT (EHSS) SERVICES TASK ORDER 7571MN26F66001 BASE PERIOD OF PERFORMANCE: 4/20/2026-11/19/2026

Why it stands out

A new award added obligations despite weaker contractor activity.

The action represented 14.0% of the market’s latest 12-month positive obligations while the contractor’s obligations fell $445K overall.

Award net obligations
$3.8M
Share of 12-month positive obligations
14.0%
Supporting data
Prime contractor
#1 · 29.4% share
$445K net decline despite this positive action
Funding office
#2 · 30.7% attributed share
+30.7 percentage points · $3.9M net increase; action accounted for 51.7%
PIID 7571MN26F66001
Base award

This action

+$1.9M

STANTEC CONSULTING SERVICES INC.

HRSA HEADQUARTERS

BPHC C 7376 ENVIRONMENTAL HISTORIC PRESERVATION (EHP) PRE AND POST AWARD REVIEWS

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
$1.9M
Share of 12-month positive obligations
13.4%
PIID 75R60226F34013
Deobligation

This action

−$935K

TI2E

PROGRAM SUPPORT CENTER ACQ MGMT SVC

CLOSEOUT - CONTRACT #HHSP233201400014I/HHSP23337004T

Why it stands out

This award recorded a material contraction.

The action removed $935K. A deobligation does not by itself show lower requirement demand.

Award net obligations
$3.7M
Share of 12-month positive obligations
6.6%
Supporting data
Prime contractor
0% share
$1.8M net decline; action accounted for 50.8%
PIID HHSP23337004T · Mod P00007
Modification

This action

+$1.5M

NELSON ENGINEERING CO.

NIH A E CONSTRUCTION

C104631 CALL 10 CS: MATT DUNNE CO: MATT HEAVEY COR: DANIEL WHIPPLE

Why it stands out

This award grew while spending attributed to its office declined.

The modification added $1.5M while office-attributed obligations fell $2.5M overall.

Award net obligations
$2.6M
Share of 12-month positive obligations
10.5%
Supporting data
Prime contractor
#4 · 10.5% share
$1.5M net decline despite this positive action
Funding office
#1 · 32.8% attributed share
$2.5M net decline despite this positive action
PIID 75N99024F00003 · Mod P00001
Base award

This action

+$597K

ACK3 CONSULTING, LLC

NATIONAL INSTITUTES OF HEALTH OLAO

M33289344 INDUSTRIAL WATER TREATMENT MULTIPLE BUILDINGS - ENIOLORUNDA ROTIMI

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
$597K
Share of 12-month positive obligations
4.2%
Supporting data
Prime contractor
#3 · 13.2% share
up 3 ranks · +6.0 percentage points · $585K net increase; action exceeded it by $12K
Funding office
#3 · 14.6% attributed share
+14.6 percentage points · $1.8M net increase; action accounted for 32.7%
Related:Largest share gain
PIID 75N98026F00003
View recent award activity by date (10)
  1. SRC INCBase award · PIID 75D30126F21086
    Action+$338K
    Award net obligations$338K
  2. EASTERN RESEARCH GROUP INCBase award · PIID 75F40126F80153
    Action+$246K
    Award net obligations$246K
  3. PROPERTY & ENVIRONMENTAL MANAGEMENT INCDeobligation · PIID 75P00124C00005
    Action−$166K
    Award net obligations$4.0M
  4. EASTERN RESEARCH GROUP INCBase award · PIID 75D30126F21309
    Action+$240K
    Award net obligations$240K
  5. PROPERTY & ENVIRONMENTAL MANAGEMENT INCBase award · PIID 7571MN26F66005
    Action+$67K
    Award net obligations$67K
  6. NATIONAL ACADEMY OF SCIENCESDeobligation · PIID HHSD2002011388070060
    Action−$6K
    Award net obligations$3.9M
  7. NATIONAL ACADEMY OF SCIENCESDeobligation · PIID HHSD2002011388070050
    Action−$874
    Award net obligations$147K
  8. NATIONAL ACADEMY OF SCIENCESDeobligation · PIID HHSD2002011388070052
    Action−$188
    Award net obligations$150K
  9. NATIONAL ACADEMY OF SCIENCESDeobligation · PIID HHSD2002011388070062
    Action−$45
    Award net obligations$125K
  10. NATIONAL ACADEMY OF SCIENCESDeobligation · PIID HHSD2002011388070057
    Action>−$1
    Award net obligations$150K

HHS environmental consulting services market FAQs

Answers based on reported federal contract data.

Who are the top HHS environmental consulting services contractors?

In the 12 months through September 10, 2026, PROPERTY & ENVIRONMENTAL MANAGEMENT INC, ROMEM AQUA SYSTEMS CO INC, and ACK3 CONSULTING, LLC were the leading HHS environmental consulting services prime contractors by positive obligations.

  1. #1

    PROPERTY & ENVIRONMENTAL MANAGEMENT INC

    $4,193,358 in positive obligations

  2. #2

    ROMEM AQUA SYSTEMS CO INC

    $2,184,170 in positive obligations

  3. #3

    ACK3 CONSULTING, LLC

    $1,879,983 in positive obligations

Rankings use reported USAspending award data.

Did HHS contract obligations decrease in the environmental consulting services market?

Yes. Measured by net prime contract obligations, reported HHS activity in the environmental consulting services market decreased 60.5% from $16,752,628 in the preceding 12 months to $6,615,100 in the 12 months through September 10, 2026.

Latest 12 months
$6,615,100
Net prime contract obligations
Preceding 12 months
$16,752,628
Net prime contract obligations
Change
−60.5%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

What recent HHS contract award activity was reported in the environmental consulting services market?

Recent HHS contract award activity reported in the environmental consulting services market included actions for RESOURCE MANAGEMENT GROUP, INC., PROPERTY & ENVIRONMENTAL MANAGEMENT INC, and STANTEC CONSULTING SERVICES INC. 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 HHS contracts under NAICS 541620?

From September 11, 2025 through September 10, 2026, HHS reported 35 positive-obligation awards for environmental consulting services under NAICS 541620. The leading award type was BPA call. The leading reported procedure was subject to multiple award fair opportunity.

Positive-obligation awards
35
Leading reported procedure
Subject to Multiple Award Fair Opportunity
42.9% of positive obligations
Leading award type
BPA Call
47.8% of positive obligations
Full and open
42.9%
of positive obligations
Reported parent IDV
88.8%
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 September 10, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology