HYDROS CONSULTING INC. climbed the most in the contractor rankings
#55→#9Up 46 places
The contractor accounts for 2.5% of positive obligations across 5 reported actions.
Federal Capture Intelligence
Environmental consulting contractors at the Department of the Interior
Contract actions: October 1, 2021 – July 27, 2026
Updated July 28, 2026 Department of the Interior agency guide
NAICS 541620 · Environmental Consulting Services
- Latest 12 months
- $91.3M
- Net obligations · Up $1.6M vs. $89.7M preceding
- Prime contractors
- 210
- With positive obligations in the latest 12 months
Market snapshot for environmental consulting at the Department of the Interior
Federal records show $492.5M in net obligations across 3,238 awards in environmental consulting at the Department of the Interior from Oct 1, 2021 through Jul 27, 2026. This market accounts for 2.0% of $24.7B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations increased 1.8% from $89.7M to $91.3M. 42 prime contractors accounted for at least 80% of positive obligations in that latest period.
Fiscal-year activity
FY26 is year-to-date through Jul 27, 2026; earlier years show complete fiscal-year totals.
FY26 year-to-date: $32.0M versus $22.1M through the same date in FY25 (+44.5%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
| Fiscal year | Net obligations | Contract actions | Coverage |
|---|---|---|---|
| FY2022 | $120.2M | 1,789 | Complete |
| FY2023 | $144.9M | 1,770 | Complete |
| FY2024 | $113.9M | 1,776 | Complete |
| FY2025 | $81.5M | 1,295 | Complete |
| FY2026 | $32.0M | 757 | YTD through Jul 27, 2026 |
Market at a glance
All reported prime contract awards- All-period net obligations
- $492.5M
- 3,238 awards · 794 prime contractors
- Latest 12-month movement
- +1.8%
- $91.3M vs. $89.7M
- Leading eight prime share
- 41.3%
- Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
- Agency context
- 2.0% of $24.7B in agency-wide net obligations.
- Set-aside share when reported
- 68.0% of 1,410 awards with reported set-aside status.
- Set-aside reporting
- 959 set aside · 451 no set-aside · 1,828 not reported
What changed in the last 12 months?
Jul 28, 2025–Jul 27, 2026, compared with Jul 28, 2024–Jul 27, 2025.
Competitive shifts
EASTERN SHAWNEE PROFESSIONAL SERVICES, LLC fell the most in the contractor rankings
#22→#100Down 78 places
The contractor accounts for 0.12% of positive obligations across 5 reported actions.
STANTEC CONSULTING SERVICES INC. gained the most market share
0.5%→6.0%+5.5 percentage points
The contractor now ranks #4 by positive obligations, based on 5 reported actions.
APTIM FEDERAL SERVICES, LLC lost the most market share
4.7%→1.3%−3.4 percentage points
The contractor now ranks #20 by positive obligations, based on 11 reported actions.
Buyer demand
Reported obligations through ACQUISITION MANAGEMENT DIVISION decreased
$9.2M→$2.1M−$7.2M
Latest-period activity spans 55 awards across 24 prime contractors.
Reported obligations through NATIONAL OPERATIONS CENTER increased
$11.9M→$17.2M+$5.3M
Latest-period activity spans 122 awards across 32 prime contractors.
View 4 additional material changes
Competitive shifts
17 contractors were first observed in this market during the latest 12 months
$3.2MLatest 12-month obligations
Contractor-level obligations and first-observed dates appear below. “First observed” applies only to this market and the period shown.
View 17 contractors
ContractorLatest 12 months
- SUMMITWEST ENVIRONMENTAL, INC.First observed Aug 22, 2025 in this market$866K
- TABLE ROCK FORESTRY, INCFirst observed Jan 16, 2026 in this market$473K
- ECO & ASSOCIATES, INC.First observed Aug 1, 2025 in this market$465K
- ICF ENVIRONMENTAL, INC.First observed Aug 15, 2025 in this market$296K
- MIDTOWN PERSONNEL INC.First observed Apr 16, 2026 in this market$278K
- PINYON-SUNDANCE JV, LLCFirst observed May 29, 2026 in this market$176K
- NATURES CAPITAL LLCFirst observed Apr 1, 2026 in this market$163K
- GEOSYNTEC CONSULTANTS, INC.First observed Sep 3, 2025 in this market$120K
- SP CRAMER & ASSOCIATES INCFirst observed Mar 26, 2026 in this market$71K
- HEMLOCK CONSULTING, LLCFirst observed May 7, 2026 in this market$63K
- ALEXIS JOHNSONFirst observed Feb 2, 2026 in this market$59K
- ANIMAS BIOLOGICAL STUDIES, LLCFirst observed Aug 13, 2025 in this market$48K
- BROADBENT & ASSOCIATES, INC.First observed Jan 15, 2026 in this market$47K
- TENNESSEE VALLEY ARCHAEOLOGICAL RESEARCH INCFirst observed Aug 6, 2025 in this market$33K
- WESTERN PROPERTIESFirst observed Mar 10, 2026 in this market$23K
- LEGEND TECHNICAL SERVICES, INC.First observed Mar 13, 2026 in this market$15K
- BIOTA WILDLIFE CONSULTING LIMITED LIABILITY COMPANYFirst observed May 21, 2026 in this market$12K
SPECPRO SUSTAINMENT AND ENVIRONMENTAL, LLC had no reported activity in the latest 12 months
$3.0M→$0No latest-period activity
It previously ranked #6 by positive obligations, based on 4 reported actions.
LAWELAWE TRAINING SERVICES, INC. recorded the largest net deobligation
$1.2M→−$1.1M−$2.3M
The contractor now is unranked by positive obligations, based on 1 reported action.
Market structure
Top-five contractor share increased
25.33%→31.25%+5.9 percentage points
Contractors outside the top five now account for 68.8% of positive obligations.
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.
Funding pattern for environmental consulting at the Department of the Interior
See how positive obligations were attributed across funding offices in the 12 months ending Jul 27, 2026.
23.4% of positive obligations were attributed to MP-REGIONAL OFFICE. That represents $22.0M, up $23.9M from the preceding 12 months.
Latest 12-month share of positive obligations; the gray segment represents all other reported offices.
- MP-REGIONAL OFFICE23.4% · $22.0M · up $23.9M
- NATIONAL OPERATIONS CENTER18.3% · $17.2M · up $5.3M
- WASHINGTON CONTRACTING OFFICE8.0% · $7.5M · up $383K
- CALIFORNIA STATE OFFICE5.3% · $4.9M · up $3.3M
- LOWER COLORADO REGIONAL OFFICE4.5% · $4.2M · down $434K
- All other reported offices40.5% 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.
Reported funding office
MP-REGIONAL OFFICE
#1New to the positive-obligation rankingLatest 12 months
$22.0M
23.4% of positive obligations
Versus preceding 12 months
+$23.9M
24 active prime contractors · 26 awards
View office comparison and evidence
Reported obligations moved from $1.9M in net deobligations to $22.0M in net obligations. The office’s share of positive obligations moved from 0% to 23.4%, a change of +23.4 percentage points.
The latest period contains 45 actions across 26 awards and 10 newly active prime contractors. The preceding period contained 19 active prime contractors and 23 awards.
Leading award-level changes
- DR REED & ASSOCIATES, INC · PIID 140R2025P0072+$6.9M: $0 → $6.9M
- STANTEC CONSULTING SERVICES INC. · PIID 140R2025F0047+$5.1M: $0 → $5.1M
Reported funding office
NATIONAL OPERATIONS CENTER
#2Down 1 from #1Latest 12 months
$17.2M
18.3% of positive obligations
Versus preceding 12 months
+$5.3M
32 active prime contractors · 122 awards
View office comparison and evidence
Reported obligations increased 44.2% from $11.9M to $17.2M. The office’s share of positive obligations moved from 12.9% to 18.3%, a change of +5.4 percentage points.
The latest period contains 155 actions across 122 awards and 8 newly active prime contractors. The preceding period contained 47 active prime contractors and 160 awards.
Reported funding office
WASHINGTON CONTRACTING OFFICE
#3Rank unchangedLatest 12 months
$7.5M
8.0% of positive obligations
Versus preceding 12 months
+$383K
15 active prime contractors · 32 awards
View office comparison and evidence
Reported obligations increased 5.4% from $7.1M to $7.5M. The office’s share of positive obligations moved from 7.7% to 8.0%, a change of +0.3 percentage points.
The latest period contains 45 actions across 32 awards and 6 newly active prime contractors. The preceding period contained 26 active prime contractors and 52 awards.
Reported funding office
CALIFORNIA STATE OFFICE
#4Up 12 from #16Latest 12 months
$4.9M
5.3% of positive obligations
Versus preceding 12 months
+$3.3M
16 active prime contractors · 23 awards
View office comparison and evidence
Reported obligations increased 208.5% from $1.6M to $4.9M. The office’s share of positive obligations moved from 1.7% to 5.3%, a change of +3.5 percentage points.
The latest period contains 31 actions across 23 awards and 6 newly active prime contractors. The preceding period contained 16 active prime contractors and 22 awards.
Reported funding office
LOWER COLORADO REGIONAL OFFICE
#5Down 1 from #4Latest 12 months
$4.2M
4.5% of positive obligations
Versus preceding 12 months
−$434K
11 active prime contractors · 17 awards
View office comparison and evidence
Reported obligations decreased 9.3% from $4.7M to $4.2M. The office’s share of positive obligations moved from 5.1% to 4.5%, a change of −0.6 percentage points.
The latest period contains 23 actions across 17 awards and 5 newly active prime contractors. The preceding period contained 9 active prime contractors and 14 awards.
Reported funding office
UPPER COLORADO REGIONAL OFFICE
#6Up 7 from #13Latest 12 months
$3.9M
4.2% of positive obligations
Versus preceding 12 months
+$2.1M
9 active prime contractors · 13 awards
View office comparison and evidence
Reported obligations increased 112.8% from $1.8M to $3.9M. The office’s share of positive obligations moved from 2.0% to 4.2%, a change of +2.2 percentage points.
The latest period contains 20 actions across 13 awards and 4 newly active prime contractors. The preceding period contained 9 active prime contractors and 16 awards.
Reported funding office
DSC CONTRACTING SERVICES DIVISION
#7Down 2 from #5Latest 12 months
$3.9M
4.2% of positive obligations
Versus preceding 12 months
−$507K
26 active prime contractors · 53 awards
View office comparison and evidence
Reported obligations decreased 11.5% from $4.4M to $3.9M. The office’s share of positive obligations moved from 4.8% to 4.2%, a change of −0.6 percentage points.
The latest period contains 79 actions across 53 awards and 10 newly active prime contractors. The preceding period contained 28 active prime contractors and 61 awards.
Reported funding office
NATIONAL INTERAGENCY FIRE CENTER
#8Up 3 from #11Latest 12 months
$3.4M
3.6% of positive obligations
Versus preceding 12 months
+$934K
14 active prime contractors · 29 awards
View office comparison and evidence
Reported obligations increased 37.7% from $2.5M to $3.4M. The office’s share of positive obligations moved from 2.7% to 3.6%, a change of +0.9 percentage points.
The latest period contains 37 actions across 29 awards and 8 newly active prime contractors. The preceding period contained 18 active prime contractors and 39 awards.
Reported funding office
NEW MEXICO STATE OFFICE
#9Up 18 from #27Latest 12 months
$2.5M
2.7% of positive obligations
Versus preceding 12 months
+$1.6M
4 active prime contractors · 7 awards
View office comparison and evidence
Reported obligations increased 175.7% from $904K to $2.5M. The office’s share of positive obligations moved from 0.98% to 2.7%, a change of +1.7 percentage points.
The latest period contains 10 actions across 7 awards and 2 newly active prime contractors. The preceding period contained 5 active prime contractors and 8 awards.
Reported funding office
ACQUISITION MANAGEMENT DIVISION
#10Down 8 from #2Latest 12 months
$2.1M
2.2% of positive obligations
Versus preceding 12 months
−$7.2M
24 active prime contractors · 55 awards
View office comparison and evidence
Reported obligations decreased 77.6% from $9.2M to $2.1M. The office’s share of positive obligations moved from 10.0% to 2.2%, a change of −7.8 percentage points.
The latest period contains 92 actions across 55 awards and 7 newly active prime contractors. The preceding period contained 28 active prime contractors and 57 awards.
Leading award-level changes
- APTIM FEDERAL SERVICES, LLC · PIID 140M0124F0065−$2.3M: $2.3M → $0
- APTIM FEDERAL SERVICES, LLC · PIID 140M0124F0068−$1.3M: $1.3M → $0
Reported funding office
UTAH STATE OFFICE
#13Down 5 from #8Latest 12 months
$1.5M
1.6% of positive obligations
Versus preceding 12 months
−$1.6M
13 active prime contractors · 14 awards
View office comparison and evidence
Reported obligations decreased 52.4% from $3.1M to $1.5M. The office’s share of positive obligations moved from 3.4% to 1.6%, a change of −1.8 percentage points.
The latest period contains 20 actions across 14 awards and 3 newly active prime contractors. The preceding period contained 15 active prime contractors and 24 awards.
Reported funding office
DOI, NPS CONOPS STRATEGIC
#19Down 12 from #7Latest 12 months
$640K
0.68% of positive obligations
Versus preceding 12 months
−$2.7M
4 active prime contractors · 5 awards
View office comparison and evidence
Reported obligations decreased 80.8% from $3.3M to $640K. The office’s share of positive obligations moved from 3.6% to 0.68%, a change of −2.9 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.
Reported funding office
PHOENIX AREA OFFICE
#37Down 31 from #6Latest 12 months
$285K
0.30% of positive obligations
Versus preceding 12 months
−$3.4M
3 active prime contractors · 3 awards
View office comparison and evidence
Reported obligations decreased 92.2% from $3.6M to $285K. The office’s share of positive obligations moved from 4.0% to 0.30%, a change of −3.6 percentage points.
The latest period contains 4 actions across 3 awards. The preceding period contained 5 active prime contractors and 5 awards.
Reported funding office
ALAMOSA FIELD DIVISION
No positive-obligation rankLatest 12 months
$0
0% of positive obligations
Versus preceding 12 months
−$1.8M
0 active prime contractors · 0 awards
View office comparison and evidence
Reported obligations decreased 100.0% from $1.8M to $0. The office’s share of positive obligations moved from 1.9% to 0%, a change of −1.9 percentage points.
The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 1 award.
How this work is bought
Reported award structure, competition, pricing, work categories, and contracting channels for environmental consulting at the Department of the Interior.
During Jul 28, 2025–Jul 27, 2026, this market recorded $100.6M in positive net award obligations across 425 awards. The leading reported procedure, Subject To Multiple Award Fair Opportunity, accounted for 56.5% of that positive-obligation base. Awards with a reported parent IDV accounted for 72.5%.
- Leading award type
- 49.4%
- Delivery Order
- Leading reported procedure
- 56.5%
- Subject To Multiple Award Fair Opportunity
- Reported parent IDV
- 72.5%
- of positive obligations had a reported parent IDV
- Median reported offers
- 2
- 339 of 425 awards reported offers
Same-NAICS comparison
Compared with the NAICS 541620 peer median, parent-IDV obligation share is 9.9 percentage points lower, reported full-and-open obligation share is 13.3 percentage points lower, delivery-order obligation share is 8.7 percentage points lower, and median positive award obligations are 52.0% lower.
| Measure | This market | Peer median | Difference |
|---|---|---|---|
| Parent-IDV obligation share | 72.5% | 82.4% | -9.9 pts |
| Reported full-and-open obligation share | 58.7% | 72.0% | -13.3 pts |
| Delivery-order obligation share | 49.4% | 58.1% | -8.7 pts |
| Median positive award obligations | $71K | $148K | -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:
- Department of Agriculture (USDA)
- Department of Commerce (COMMERCE)
- Department of Defense (DOD)
- Department of Energy (DOE)
- Department of Health and Human Services (HHS)
- Department of Homeland Security (DHS)
- Department of Justice (DOJ)
- Department of the Treasury (TREASURY)
- Department of Transportation (TRANSPORTATION)
- Department of Veterans Affairs (VA)
- Environmental Protection Agency (EPA)
- General Services Administration (GSA)
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 value | Awards | Positive obligations | Share |
|---|---|---|---|
| Delivery Order(C) | 168 | $49.7M | 49.4% |
| Purchase Order(B) | 134 | $26.2M | 26.1% |
| BPA Call(A) | 115 | $23.2M | 23.1% |
| Definitive Contract(D) | 8 | $1.4M | 1.4% |
Reported parent-award types
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| FSS(C) | 108 | $35.0M | 34.8% |
| BPA(E) | 115 | $23.2M | 23.1% |
| IDC(B) | 60 | $14.6M | 14.6% |
| Not reported | 142 | $27.7M | 27.5% |
Single- or multiple-award parent structure
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Multiple Award(M) | 195 | $56.4M | 56.1% |
| Single Award(S) | 88 | $16.5M | 16.4% |
| Not reported | 142 | $27.7M | 27.5% |
Solicitation procedures
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Subject To Multiple Award Fair Opportunity(MAFO) | 215 | $56.8M | 56.5% |
| Simplified Acquisition(SP1) | 158 | $34.3M | 34.1% |
| Negotiated Proposal/Quote(NP) | 34 | $6.5M | 6.5% |
| Only One Source(SSS) | 18 | $2.9M | 2.9% |
Extent competed
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Full And Open Competition(A) | 225 | $59.1M | 58.7% |
| Competed Under SAP(F) | 127 | $32.3M | 32.1% |
| Full And Open Competition After Exclusion Of Sources(D) | 24 | $4.3M | 4.3% |
| Not Competed Under SAP(G) | 31 | $2.0M | 2.0% |
| Not Competed(C) | 15 | $1.7M | 1.6% |
| Not Available For Competition(B) | 3 | $1.3M | 1.3% |
Fair-opportunity and limited-source reporting
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Fair Opportunity Given(FAIR) | 123 | $38.1M | 37.9% |
| Competitive Set Aside(CSA) | 62 | $11.4M | 11.4% |
| Only One Source - Other(ONE) | 15 | $3.6M | 3.6% |
| Follow-On Action Following Competitive Initial Action(FOO) | 8 | $2.3M | 2.3% |
| Other Statutory Authority(OSA) | 5 | $1.1M | 1.1% |
| Urgency(URG) | 1 | $244K | 0.24% |
| Other reported values | 1 | $49K | 0.049% |
| Not reported | 210 | $43.8M | 43.5% |
Other-than-full-and-open reasons
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Authorized By Statute (FAR 6.302-5(A)(2)(I))(OTH) | 14 | $2.4M | 2.4% |
| Only One Source-Other (FAR 6.302-1 Other)(ONE) | 13 | $1.1M | 1.1% |
| SAP Non-Competition (FAR 13)(SP2) | 17 | $802K | 0.80% |
| Unique Source (FAR 6.302-1(B)(1))(UNQ) | 2 | $605K | 0.60% |
| Less Than Or Equal To The Micro-Purchase Threshold(MPT) | 3 | $18K | 0.020% |
| Not reported | 376 | $95.7M | 95.1% |
Contract pricing types
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Firm Fixed Price(J) | 384 | $80.9M | 80.4% |
| Time And Materials(Y) | 17 | $11.9M | 11.8% |
| Labor Hours(Z) | 24 | $7.8M | 7.8% |
Product or Service Codes
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Special Studies/Analysis- Environmental Assessments(B510) | 57 | $16.6M | 16.5% |
| Support- Professional: Other(R499) | 45 | $16.3M | 16.2% |
| Other Environmental Services(F999) | 60 | $15.5M | 15.4% |
| Environmental Systems Protection- Environmental Consulting And Legal Support(F115) | 18 | $10.2M | 10.1% |
| Special Studies/Analysis- Regulatory(B528) | 2 | $5.7M | 5.7% |
| Special Studies/Analysis- Archeological/Paleontological(B503) | 40 | $4.9M | 4.9% |
| Other reported values | 203 | $31.4M | 31.2% |
Awarding subagencies
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Bureau of Land Management(1422) | 148 | $36.7M | 36.5% |
| Bureau of Reclamation(1425) | 75 | $35.5M | 35.3% |
| National Park Service(1443) | 89 | $16.3M | 16.2% |
| U.S. Fish and Wildlife Service(1448) | 48 | $4.4M | 4.3% |
| Bureau of Ocean Energy Management(1435) | 19 | $3.6M | 3.6% |
| Bureau of Indian Affairs and Bureau of Indian Education(1450) | 12 | $2.5M | 2.5% |
| Other reported values | 34 | $1.6M | 1.6% |
Awarding offices
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Mp-Regional Office(140R20) | 24 | $22.2M | 22.1% |
| National Operations Center(140L06) | 48 | $18.1M | 18.0% |
| Washington Contracting Office(140P21) | 24 | $7.7M | 7.7% |
| Upper Colorado Regional Office(140R40) | 18 | $5.9M | 5.8% |
| California State Office(140L12) | 10 | $5.2M | 5.2% |
| Dsc Contracting Services Division(140P20) | 29 | $4.9M | 4.8% |
| Other reported values | 272 | $36.6M | 36.4% |
Reported parent IDVs
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| 47QRAA18D00CR(4732) | 3 | $6.3M | 6.3% |
| 47QRAA19D000Q(4732) | 2 | $5.3M | 5.3% |
| 140P2125D0014(1443) | 4 | $3.9M | 3.9% |
| 47QRAA20D002W(4732) | 1 | $3.8M | 3.8% |
| 140L0623A0016(1422) | 8 | $3.7M | 3.7% |
| GS10F111BA(4732) | 1 | $2.8M | 2.8% |
| 140L0618A0014(1422) | 3 | $2.7M | 2.7% |
| GS10F220BA(4732) | 3 | $2.4M | 2.4% |
| Other reported values | 258 | $42.0M | 41.8% |
| Not reported | 142 | $27.7M | 27.5% |
Offers, award size, and timing
- Median reported offers
- 2 median
- 339 reported · 86 not reported
- Positive award obligations
- $71K median
- $30K–$225K middle 50%
- Reported performance period
- 485 days (~16 months) median
- 425 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 Jul 27, 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.
Prime contractors for environmental consulting at the Department of the Interior
Latest 12-month concentration and complete prime contractor rankings across the period shown.
- Prime contractor concentration
- 42 of 210prime contractors account for at least 80% of positive obligations in the last 12 months
- Largest prime contractor
- 7.2%of positive obligations in the last 12 months
- Leading four prime contractors
- 26.3%of positive obligations in the last 12 months
- Leading eight prime contractors
- 41.3%of positive obligations in the last 12 months
Based on $96.0M in positive obligations during the 12 months ending Jul 27, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Jul 28, 2024–Jul 27, 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
Last 12mo obligations
$6.9M
7.2%
Dollar movement
+$6.9M
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for DR REED & ASSOCIATES, INC
- Obligations: prior → latest
- $0 → $6.9M
- Not comparable
- Share: prior → latest
- 0% → 7.2%
- +7.2 percentage points
- All-period obligations
- $6.9M
- 1.4% of all-period positive obligations · 1 award
- Recorded activity
- Since Sep 23, 2025
- through Sep 23, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 1 0 Reported no set-aside 0 0 Not reported 0 0 Reported small business 1 0 All-period set-aside types
- 1 · WOSB set-aside
- #2
Last 12mo obligations
$6.4M
6.7%
Dollar movement
+$6.4M
vs. prior 12 months
Last 12mo awards
9 awards
15 actions
Historical and award details for COPPERHEAD ENVIRONMENTAL CONSULTING INC
- Obligations: prior → latest
- −$50K → $6.4M
- Not comparable
- Share: prior → latest
- 0% → 6.7%
- +6.7 percentage points
- All-period obligations
- $7.4M
- 1.5% of all-period positive obligations · 20 awards
- Recorded activity
- Since Nov 2, 2021
- through Jun 24, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 2 1 Reported no set-aside 1 0 Not reported 6 4 Reported small business 9 5 All-period set-aside types
- 5 · Total small business
- #3
Last 12mo obligations
$6.2M
6.4%
Dollar movement
−$2.1M
vs. prior 12 months
Last 12mo awards
30 awards
39 actions
Historical and award details for ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC
- Obligations: prior → latest
- $8.3M → $6.2M
- −25.8%
- Share: prior → latest
- 8.6% → 6.4%
- −2.1 percentage points
- All-period obligations
- $52.9M
- 10.6% of all-period positive obligations · 130 awards
- Recorded activity
- Since Oct 4, 2021
- through Jul 2, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 4 7 Reported no set-aside 0 0 Not reported 26 42 Reported small business 30 49 All-period set-aside types
- 23 · Total small business
- #4
Last 12mo obligations
$5.8M
6.0%
Dollar movement
+$5.3M
vs. prior 12 months
Last 12mo awards
3 awards
5 actions
Historical and award details for STANTEC CONSULTING SERVICES INC.
- Obligations: prior → latest
- $525K → $5.8M
- +1000.8%
- Share: prior → latest
- 0.54% → 6.0%
- +5.5 percentage points
- All-period obligations
- $7.7M
- 1.5% of all-period positive obligations · 21 awards
- Recorded activity
- Since Nov 3, 2021
- through Jun 22, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 1 1 Not reported 2 2 Reported small business 0 0 All-period set-aside types
None reported.
- #5
Last 12mo obligations
$4.7M
4.9%
Dollar movement
+$1.9M
vs. prior 12 months
Last 12mo awards
9 awards
9 actions
Historical and award details for AIR RESOURCE SPECIALISTS, INC
- Obligations: prior → latest
- $2.8M → $4.7M
- +68.0%
- Share: prior → latest
- 2.9% → 4.9%
- +2.0 percentage points
- All-period obligations
- $14.8M
- 3.0% of all-period positive obligations · 37 awards
- Recorded activity
- Since Nov 9, 2021
- through Jul 14, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 1 Reported no set-aside 0 0 Not reported 9 6 Reported small business 9 7 All-period set-aside types
- 6 · Total small business
- #6
Last 12mo obligations
$3.8M
4.0%
Dollar movement
+$3.8M
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for S C & A INC
- Obligations: prior → latest
- $0 → $3.8M
- Not comparable
- Share: prior → latest
- 0% → 4.0%
- +4.0 percentage points
- All-period obligations
- $3.8M
- 0.75% of all-period positive obligations · 5 awards
- Recorded activity
- Since Jun 21, 2022
- through Sep 24, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 0 0 Not reported 1 0 Reported small business 1 0 All-period set-aside types
None reported.
- #7
Last 12mo obligations
$3.0M
3.1%
Dollar movement
+$2.2M
vs. prior 12 months
Last 12mo awards
4 awards
5 actions
Historical and award details for NORTH WIND RESOURCE CONSULTING LLC
- Obligations: prior → latest
- $778K → $3.0M
- +281.7%
- Share: prior → latest
- 0.80% → 3.1%
- +2.3 percentage points
- All-period obligations
- $4.7M
- 0.94% of all-period positive obligations · 15 awards
- Recorded activity
- Since Oct 19, 2021
- through Feb 13, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 1 1 Reported no set-aside 1 1 Not reported 2 2 Reported small business 4 4 All-period set-aside types
- 4 · Total small business
- 1 · 8(a) sole source
- 1 · Indian small business
- #8
Last 12mo obligations
$2.9M
3.0%
Dollar movement
−$1.2M
vs. prior 12 months
Last 12mo awards
7 awards
14 actions
Historical and award details for EASTERN RESEARCH GROUP INC
- Obligations: prior → latest
- $4.1M → $2.9M
- −29.9%
- Share: prior → latest
- 4.2% → 3.0%
- −1.2 percentage points
- All-period obligations
- $8.4M
- 1.7% of all-period positive obligations · 27 awards
- Recorded activity
- Since Dec 11, 2021
- through May 21, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 2 1 Not reported 5 8 Reported small business 0 0 All-period set-aside types
None reported.
- #9
Last 12mo obligations
$2.4M
2.5%
Dollar movement
+$2.0M
vs. prior 12 months
Last 12mo awards
3 awards
5 actions
Historical and award details for HYDROS CONSULTING INC.
- Obligations: prior → latest
- $375K → $2.4M
- +535.2%
- Share: prior → latest
- 0.39% → 2.5%
- +2.1 percentage points
- All-period obligations
- $3.7M
- 0.74% of all-period positive obligations · 4 awards
- Recorded activity
- Since May 17, 2022
- through Jul 20, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 1 0 Reported no set-aside 0 0 Not reported 2 1 Reported small business 3 1 All-period set-aside types
- 2 · Total small business
- #10
Last 12mo obligations
$2.0M
2.0%
Dollar movement
−$158K
vs. prior 12 months
Last 12mo awards
19 awards
29 actions
Historical and award details for SUNDANCE CONSULTANTS, LLC
- Obligations: prior → latest
- $2.1M → $2.0M
- −7.4%
- Share: prior → latest
- 2.2% → 2.0%
- −0.1 percentage points
- All-period obligations
- $7.4M
- 1.5% of all-period positive obligations · 50 awards
- Recorded activity
- Since Dec 30, 2021
- through Jun 30, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 4 6 Reported no set-aside 0 2 Not reported 15 10 Reported small business 7 10 All-period set-aside types
- 13 · Total small business
- 2 · Indian small business
- 1 · 8(a) sole source
- +1 more types
- #11
Last 12mo obligations
$1.9M
2.0%
Dollar movement
+$680K
vs. prior 12 months
Last 12mo awards
14 awards
25 actions
Historical and award details for SWCA, INCORPORATED
- Obligations: prior → latest
- $1.3M → $1.9M
- +53.7%
- Share: prior → latest
- 1.3% → 2.0%
- +0.7 percentage points
- All-period obligations
- $18.5M
- 3.7% of all-period positive obligations · 57 awards
- Recorded activity
- Since Oct 20, 2021
- through Jul 24, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 3 2 Not reported 11 21 Reported small business 0 0 All-period set-aside types
None reported.
- #12
Last 12mo obligations
$1.9M
2.0%
Dollar movement
+$4.2M
vs. prior 12 months
Last 12mo awards
2 awards
3 actions
Historical and award details for SEQUOIA ECOLOGICAL CONSULTING, INC.
- Obligations: prior → latest
- −$2.4M → $1.9M
- Not comparable
- Share: prior → latest
- 0% → 2.0%
- +2.0 percentage points
- All-period obligations
- −$474K
- 0% of all-period positive obligations · 2 awards
- Recorded activity
- Since Nov 15, 2021
- through Jul 16, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 2 1 Reported no set-aside 0 0 Not reported 0 0 Reported small business 2 1 All-period set-aside types
- 2 · WOSB set-aside
- #13
Last 12mo obligations
$1.8M
1.9%
Dollar movement
+$162K
vs. prior 12 months
Last 12mo awards
26 awards
37 actions
Historical and award details for PALEOWEST LLC
- Obligations: prior → latest
- $1.6M → $1.8M
- +9.9%
- Share: prior → latest
- 1.7% → 1.9%
- +0.2 percentage points
- All-period obligations
- $12.1M
- 2.4% of all-period positive obligations · 90 awards
- Recorded activity
- Since Nov 5, 2021
- through Jun 30, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 10 12 Reported no set-aside 1 2 Not reported 15 15 Reported small business 14 19 All-period set-aside types
- 39 · Total small business
- #14
Last 12mo obligations
$1.8M
1.9%
Dollar movement
−$303K
vs. prior 12 months
Last 12mo awards
16 awards
27 actions
Historical and award details for VANASSE HANGEN BRUSTLIN INC
- Obligations: prior → latest
- $2.1M → $1.8M
- −14.6%
- Share: prior → latest
- 2.1% → 1.9%
- −0.3 percentage points
- All-period obligations
- $13.8M
- 2.8% of all-period positive obligations · 46 awards
- Recorded activity
- Since Feb 14, 2022
- through Jun 26, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 0 0 Not reported 16 16 Reported small business 0 0 All-period set-aside types
None reported.
- #15
Last 12mo obligations
$1.6M
1.7%
Dollar movement
−$412K
vs. prior 12 months
Last 12mo awards
62 awards
81 actions
Historical and award details for AARCHER, INC.
- Obligations: prior → latest
- $2.0M → $1.6M
- −20.4%
- Share: prior → latest
- 2.1% → 1.7%
- −0.4 percentage points
- All-period obligations
- $8.2M
- 1.6% of all-period positive obligations · 181 awards
- Recorded activity
- Since Dec 7, 2021
- through Jul 7, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 2 6 Reported no set-aside 0 0 Not reported 60 37 Reported small business 62 43 All-period set-aside types
- 11 · Total small business
Award activity for environmental consulting at the Department of the Interior
Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.
Base award
This action
+$6.9M
DR REED & ASSOCIATES, INC
MP-REGIONAL OFFICE
CONTINUOUS FLOW AND WATER QUALITY MONITORING NETWORK IN THE SACRAMENTO-SAN JOAQUIN DELTA AND SUISUN BAY
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 #1 in this market by positive obligations over the latest 12 months.
- Award net obligations
- $6.9M
- Share of 12-month positive obligations
- 7.2%
Supporting data
- Prime contractor
- #1 · 7.2% share
- Newly active in this market; no actions were reported in the preceding 12 months
- Funding office
- #1 · 23.4% attributed share
- +23.4 percentage points · $23.9M net increase; action accounted for 28.9%
Base award
This action
+$3.8M
S C & A INC
NATIONAL OPERATIONS CENTER
11 MAJOR RULEMAKINGS CONTRACT
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 #6 in this market by positive obligations over the latest 12 months.
- Award net obligations
- $3.8M
- Share of 12-month positive obligations
- 4.0%
Supporting data
- Prime contractor
- #6 · 4.0% share
- Newly active in this market; no actions were reported in the preceding 12 months
- Funding office
- #2 · 18.3% attributed share
- down 1 rank · +5.4 percentage points · $5.3M net increase; action accounted for 72.5%
Related:Funding office gain
Base award
This action
+$5.1M
STANTEC CONSULTING SERVICES INC.
MP-REGIONAL OFFICE
TECHNICAL SUPPORT SERVICES FOR THE LONG-TERM OPERATION OF THE CENTRAL VALLEY PROJECT
Why it stands out
The contractor climbed 40 positions in this market.
It now ranks #4 by positive obligations over the latest 12 months.
- Award net obligations
- $5.1M
- Share of 12-month positive obligations
- 5.4%
Supporting data
- Prime contractor
- #4 · 6.0% share
- up 40 ranks · +5.5 percentage points · $5.3M net increase; action accounted for 98.0%
Related:Largest share gain
Base award
This action
+$2.8M
NORTH WIND RESOURCE CONSULTING LLC
CALIFORNIA STATE OFFICE
FACILITATION AND ASSISTANCE FOR PREPARATION OF TWO (2) ENVIRONMENTAL IMPACT STATEMENTS - TRANSMISSION LINE RATING REMEDIATION (TLRR) PROJECTS
Why it stands out
The contractor climbed 28 positions in this market.
It now ranks #7 by positive obligations over the latest 12 months.
- Award net obligations
- $2.8M
- Share of 12-month positive obligations
- 2.9%
Supporting data
- Funding office
- #4 · 5.3% attributed share
- up 12 ranks · +3.5 percentage points · $3.3M net increase; action accounted for 83.8%
Modification
This action
+$2.4M
ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC
LOWER COLORADO REGIONAL OFFICE
EIS - POST-2026 LOWER COLORADO RIVER RESERVOIR OPERATIONAL STRATEGIES FOR LAKE POWELL AND LAKE MEAD - ADD WORK
Why it stands out
This award grew while spending attributed to its office declined.
The modification added $2.4M while office-attributed obligations fell $434K overall.
- Award net obligations
- $14.4M
- Share of 12-month positive obligations
- 2.5%
Supporting data
- Prime contractor
- #3 · 6.4% share
- $2.1M net decline despite this positive action
- Funding office
- #5 · 4.5% attributed share
- $434K net decline despite this positive action
Base award
This action
+$1.5M
HYDROS CONSULTING INC.
UPPER COLORADO REGIONAL OFFICE
GSL BASIN STUDY MODELING SERVICES - THIS AWARD REPLACES 140R4025F0078
Why it stands out
The contractor climbed 46 positions in this market.
It now ranks #9 by positive obligations over the latest 12 months.
- Award net obligations
- $1.6M
- Share of 12-month positive obligations
- 1.6%
Supporting data
- Funding office
- #6 · 4.2% attributed share
- up 7 ranks · +2.2 percentage points · $2.1M net increase; action accounted for 72.5%
View recent award activity by date (10)
- Action+$100KAward net obligations$100K
- Action+$18KAward net obligations$300K
- Action+$335KAward net obligations$335K
- Action+$50KAward net obligations$50K
- Action+$34KAward net obligations$73K
- Action+$281KAward net obligations$281K
- Action+$195KAward net obligations$195K
- Action−$31KAward net obligations$31K
- Action+$555KAward net obligations$2.1M
- Action+$8KAward net obligations$8K
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Leading-prime vehicle memberships:
Company memberships do not establish award-channel use.Reported obligations include contract actions from October 1, 2021 through July 27, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.
Review data methodology