Environmental Studies and Assessments Government Contracts

PSC B510 Service code

Code facts

Spend category
Professional Services Management Advisory Services
Contract obligations
$224,994,258 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
5 45 notices posted in the last 90 days
Contract awards
194 In the last 12 months
Obligated
$225,511,460 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of Homeland Security $72,639,593
2 Department of the Army Department of Defense $64,271,271
3 Environmental Protection Agency $37,895,643
4 Department of the Interior $28,484,208
5 Department of Energy $7,521,881
6 Department of Commerce $5,259,142
7 Department of Agriculture $2,753,051
8 Department of Health and Human Services $1,754,399
9 Department of Justice $1,713,321
10 General Services Administration $1,653,701

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Vernadero Group Inc. $27,339,049
2 Amentum Services, Inc. $20,000,000
3 Laukoa Environmental Solutions, Inc. $17,467,945
4 Tetra Tech, Inc. $14,976,128
5 Environmental Restoration LLC $12,050,946
6 Gulf South Research Corp $11,143,333
7 ECO & Associates, Inc. $8,393,259
8 WSP USA Solutions Inc. $7,696,809
9 Tierra Right Of Way Services LTD $7,402,309
10 Eastern Research Group Inc. $6,417,194

See the full FY2025 ranking of PSC B510 contractors, by parent company.

Open contract opportunities

Notice Posted Due
Natural Resources Conservation Program Technical Support Services - Camp Darby, Italy Pre-Solicitation · Army Contracting Command (AMC)
Pine Bluff Arsenal Testing, Lab and Engineering Services Solicitation · ACC Rock Island
Remedial Investigation (RI) and Optional Feasibility Study (FS) for Per- and Polyfluoroalkyl Substances (PFAS) Pre-Solicitation · ENDIST Sacramento (USACE)
Notice of Intent to Award a BPA Call Order against The Land Management Integrated Resources BPA (LMIR), Caribou-Targhee NF Special Notice · Forest Service
Blanket Purchase Agreement of Laboratory Analyses Services for Worldwide Support Solicitation · Naval Facilities Engineering Command (Navy)

Recent contract awards

Award Awarded Obligated
MI-MI WMD- trace metal analysis for BAT conservation in the great lakes region 140FF027P0013 · Trustees Of Dartmouth College · Departmental Offices $49,700
DEL pasco mine remediation 127EAV26F0066 · Water, Civil And Environmental Incorporated · Forest Service $549,387
Phase I environmental site assessment cloudcroft wwtp 127EAV26F0050 · Water, Civil And Environmental Incorporated · Forest Service $5,289
The purpose of this contract is to obtain professional safety and engineering services to 12444026P0187 · Bizsolutions 360 Inc. · Forest Service $198,500
CBP tactical infrastructure assets which include the following categories: roads and bridges fence and gates… 70B01C26P00000443 · Gulf South Research Corp · Customs and Border Protection $639,047
47QRAA19D003K/1305M226F0457: NOS/OCM: deep seabed environmental and policy support services in accordance with… Research Planning, Inc. · National Oceanic and Atmospheric Administration $1,022,998
Ten (10) year plan follow-on task order - navajo nation AUM response assessment and evaluation services (RAES) II for… 68HE0926F0102 · Tetra Tech, Inc. · EPA Region 9 $82,880
Obtain a contractor to inspect select buildings and rooms at fletc for the presence of mold, and if mold is found… 70VT1526F00041 · Iris Environmental Laboratories LLC · Office of the Inspector General $51,650
EO 14398 contractor support for pre-nepa, nepa and related environmental review tasks 140D0426F1193 · Vanasse Hangen Brustlin Inc. · Interior Business Center (DO) $4,424,314
EO 14398 contractor support for pre-nepa, nepa and related environmental review tasks. 140D0426F1192 · WSP USA Solutions Inc. · Interior Business Center (DO) $4,424,314

Latest 10 of 194 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $49,658
FY2026 $225,238,004
FY2025 $224,994,258
FY2024 $248,912,878
FY2023 $224,166,265
Rank NAICS code Obligated, FY2026–FY2027 Share
1 541620 Environmental Consulting Services $132,811,425
2 562910 Remediation Services $38,286,193
3 541380 Testing Laboratories and Services $19,864,808
4 541330 Engineering Services $3,100,047
5 115310 Support Activities for Forestry $2,926,904
6 541690 Other Scientific and Technical Consulting Services $2,587,678
7 541519 Other Computer Related Services $2,217,029
8 541611 Administrative Management and General Management Consulting Services $1,082,537
9 541990 All Other Professional, Scientific, and Technical Services $790,727
10 541618 Other Management Consulting Services $728,147

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Alabama $43,743,601
2 Arizona $43,038,795
3 Illinois $14,358,494
4 Colorado $13,486,171
5 California $11,510,282
6 Louisiana $11,483,299
7 New Mexico $11,275,825
8 Texas $9,448,585
9 North Carolina $7,814,936
10 District of Columbia $7,447,118
11 Utah $6,847,753
12 Maryland $6,838,894
13 Massachusetts $6,338,591
14 Florida $4,878,024
15 Virginia $4,814,137
16 Ohio $4,356,164
17 Missouri $4,110,761
18 Hawaii $2,608,119
19 Vermont $1,582,121
20 Georgia $1,215,813
21 Oregon $1,087,889
22 Alaska $998,671
23 Tennessee $644,195
24 Washington $503,985
25 Pennsylvania $485,928
26 Montana $481,471
27 Idaho $334,735
28 North Dakota $330,084
29 South Dakota $278,250
30 Nebraska $267,452
31 Michigan $123,323
32 South Carolina $31,500
33 Kansas $19,260
34 Kentucky $16,748
35 Nevada $6,600
36 Wisconsin $5,330
37 Oklahoma $2,245
Show all 37

Shares are of everything obligated under PSC B510 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC B510?

PSC B510 is Environmental Studies and Assessments, a service code in PSC B, Special Studies/Analysis, Not R&D.

How many government contracts for environmental studies and assessments are there?

5 contract opportunities under PSC B510 are open now, and 45 notices were posted in the last 90 days. Federal agencies awarded 194 contracts under PSC B510 in the last 12 months, obligating $225,511,460.

How much do federal agencies spend under PSC B510?

Federal contracts under PSC B510 obligated $224,994,258 in fiscal year 2025 and $923,361,062 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC B510?

The contractors with the most obligated under PSC B510 in fiscal years 2026 and 2027 are Vernadero Group Inc. ($27,339,049); Amentum Services, Inc. ($20,000,000); and Laukoa Environmental Solutions, Inc. ($17,467,945).

Which agencies buy the most under PSC B510?

The agencies that obligated the most under PSC B510 in fiscal years 2026 and 2027 are Department of Homeland Security ($72,639,593), Department of the Army ($64,271,271) and Environmental Protection Agency ($37,895,643).

Which NAICS codes are used with PSC B510?

The NAICS codes with the most obligated under PSC B510 in fiscal years 2026 and 2027 are 541620 Environmental Consulting Services, 562910 Remediation Services and 541380 Testing Laboratories and Services.

Where is the work under PSC B510 performed?

By place of performance, the states with the most contract obligations under PSC B510 over the last 12 months are Alabama ($43,743,601), Arizona ($43,038,795) and Illinois ($14,358,494).

What is the latest open contract opportunity under PSC B510?

The latest open contract opportunity under PSC B510 is Natural Resources Conservation Program Technical Support Services - Camp Darby, Italy, pre-solicitation from Army Contracting Command (AMC), posted November 4, 2026.

On GovTribe

See everything under PSC B510

  • Federal contract opportunities, awards and IDVs under this code
  • Funding analysis by contractor, agency and set-aside
  • Contacts who buy under this code
  • Ask GovTribe AI about this code
Try for free Login