Federal contract awards: NAICS 541620 (Environmental Consulting Services)
Past federal contracts, straight from USAspending.gov. Use them to price your bid, size up the competition and find the agencies that buy what you sell.
Showing contracts that started in the last 12 months (first 2 pages). Register free to browse every page.
267contracts awarded
$96,200median value
$39,710 – $243,919typical range (P25–P75)
3.1average offers received
$61,940,752total obligated
Agencies that buy the most
| Agency | Contracts | Obligated |
|---|---|---|
| Department of the Interior | 267 | $61,940,752 |
Top winners
| Company | Contracts | Obligated |
|---|---|---|
| VANASSE HANGEN BRUSTLIN INC | 4 | $6,187,897 |
| ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC | 7 | $4,780,621 |
| WSP USA SOLUTIONS INC | 2 | $4,699,686 |
| AIR RESOURCE SPECIALISTS, INC | 4 | $2,359,324 |
| SUNDANCE CONSULTANTS, LLC | 9 | $2,159,787 |
| BLUE WORLD RESEARCH INSTITUTE INC | 7 | $2,075,666 |
| TETRA TECH, INC. | 5 | $2,014,487 |
| NEW SOUTH ASSOCIATES, INC. | 3 | $1,853,441 |
| ONEIDA-STANTEC JV LLC | 1 | $1,540,323 |
| MABBETT & ASSOCIATES, INC. | 9 | $1,461,441 |
Contracts
| Contract | Winner | Agency | Obligated | Start |
|---|---|---|---|---|
| YELLOWSTONE ENVIRONMENTAL SERVICES
140D0426F1114 · NAICS 541620 Environmental Consulting Services · Yellowstone National Park, WY · Offers: 6 |
PROFESSIONAL ENVIRONMENTAL ENGINEERS, INC | Department of the Interior Departmental Offices |
$59,583 Potential value: $175,176 |
Sep 25, 2026 Ends: Sep 24, 2027 |
| EO 14398 CONTRACTOR SUPPORT FOR PRE-NEPA, NEPA AND RELATED ENVIRONMENTAL REVIEW TASKS.
140D0426F1192 · NAICS 541620 Environmental Consulting Services · Denver, CO · Offers: 4 |
WSP USA SOLUTIONS INC | Department of the Interior Departmental Offices |
$4,424,314 | Sep 25, 2026 Ends: Sep 24, 2029 |
| EO 14398 CONTRACTOR SUPPORT FOR PRE-NEPA, NEPA AND RELATED ENVIRONMENTAL REVIEW TASKS
140D0426F1193 · NAICS 541620 Environmental Consulting Services · Denver, CO · Offers: 4 |
VANASSE HANGEN BRUSTLIN INC | Department of the Interior Departmental Offices |
$4,424,314 | Sep 25, 2026 Ends: Sep 24, 2029 |
| CO-ARAPAHO NWR-HISTORIC RESOURCE DOCUMENTATION AND EVALUATION
140FS226F0158 · NAICS 541620 Environmental Consulting Services · Walden, CO · SBA · Offers: 5 |
ERO RESOURCES CORPORATION | Department of the Interior U.S. Fish and Wildlife Service |
$33,970 | Sep 25, 2026 Ends: Jul 03, 2027 |
| SERVICE - INVESTIGATING POTENTIAL PRESENCE OF POLYFLUOROALKYL SUBSTANCES(PFAS) AT FWS GREAT SWAMP NWR.
140FS326P0294 · NAICS 541620 Environmental Consulting Services · Stoneham, MA · SBA · Offers: 13 |
MABBETT & ASSOCIATES, INC. | Department of the Interior U.S. Fish and Wildlife Service |
$26,750 | Sep 25, 2026 Ends: Sep 24, 2027 |
| MORR LEACH FIELD SPILL CASE CLOSEOUT
140P4526F0028 · NAICS 541620 Environmental Consulting Services · Morristown, NJ · Offers: 1 |
WSP USA ENVIRONMENT & INFRASTRUCTURE INC. | Department of the Interior National Park Service |
$148,019 | Sep 25, 2026 Ends: Apr 05, 2028 |
| E0 14398 SERVICE, WATER QUALITY ANALYSIS/MODELING SERVICE FOR EVERGLADES NATIONAL PARK
140P5426C0029 · NAICS 541620 Environmental Consulting Services · Homestead, FL · Offers: 1 |
WILLIAM W WALKER JR | Department of the Interior National Park Service |
$145,000 | Sep 25, 2026 Ends: Sep 30, 2027 |
| OR FWS ARD ECOL SVCS ENV. CNSLTNT WOLF
140FS126F0104 · NAICS 541620 Environmental Consulting Services · Portland, OR · Offers: 3 |
SOLV LLC | Department of the Interior U.S. Fish and Wildlife Service |
$242,600 | Sep 24, 2026 Ends: Apr 30, 2027 |
| AK-DIV OF MIG BIRDS-MURRELET FINAL REPOR
140FS126P0297 · NAICS 541620 Environmental Consulting Services · Anchorage, AK · Offers: 1 |
ABR, INC. | Department of the Interior U.S. Fish and Wildlife Service |
$56,556 | Sep 24, 2026 Ends: Jan 31, 2027 |
| WI-NECEDAH NWR-HISTORIC CONTEXT AND NRHP EVALUATION
140FS226F0153 · NAICS 541620 Environmental Consulting Services · Necedah, WI · SBA · Offers: 6 |
GULF SOUTH RESEARCH CORP | Department of the Interior U.S. Fish and Wildlife Service |
$26,407 | Sep 24, 2026 Ends: Apr 01, 2027 |
| TRANSLATE GPS RECEIVER DATA
140G0126P0406 · NAICS 541620 Environmental Consulting Services · Las Vegas, NV · Offers: 1 |
BOARD OF REGENTS OF NEVADA SYSTEM OF HIGHER EDUCATION | Department of the Interior U.S. Geological Survey |
$133,884 Potential value: $330,210 |
Sep 24, 2026 Ends: Sep 22, 2028 |
| EO 14398
140L1226P0052 · NAICS 541620 Environmental Consulting Services · Sacramento, CA · Offers: 2 |
STANTEC CONSULTING SERVICES INC. | Department of the Interior Bureau of Land Management |
$159,914 | Sep 24, 2026 Ends: Apr 30, 2028 |
| PCWR BIOLOGICAL SURVEY PHASE 1 TO DETERMINE PRESENCE OF BLM SPECIAL STATUS PLANT SPECIES, RAPTORS AND PINYON JAYS IN APPROXIMATELY 3065-ACRE…
140L3726P0131 · NAICS 541620 Environmental Consulting Services · Montrose, CO · SBA · Offers: 7 |
WESTWATER ENGINEERING, INC | Department of the Interior Bureau of Land Management |
$67,982 | Sep 24, 2026 Ends: Oct 05, 2027 |
| GRAND TETON NATIONAL PARK PRELIMINARY TRANSPORTATION PLANNING: HIGHWAY 89/191/26 CORRIDOR DATA SYNTHESIS AND IMPLEMENTABLE WILDLIFE MITIGATI…
140P1426P0094 · NAICS 541620 Environmental Consulting Services · Moose, WY · SBA · Offers: 4 |
ECO-RESOLUTIONS LLC | Department of the Interior National Park Service |
$96,200 Potential value: $126,200 |
Sep 24, 2026 Ends: Oct 15, 2027 |
| CONDUCT A POST-FIRE ASSESSMENT, INCLUDING ASBESTOS SURVEY AND WASTE CHARACTERIZATION, AT TWO LOCATIONS ON SANTA ROSA ISLAND IN CHANNEL ISLAN…
140P2126F0191 · NAICS 541620 Environmental Consulting Services · Blue Bell, PA · Offers: 2 |
WSP USA ENVIRONMENT & INFRASTRUCTURE INC. | Department of the Interior National Park Service |
$110,386 | Sep 24, 2026 Ends: Jun 05, 2027 |
| WORI MONITORING WELL DECOMMISSIONING &SC
140P4526F0014 · NAICS 541620 Environmental Consulting Services · Seneca Falls, NY · Offers: 1 |
WSP USA ENVIRONMENT & INFRASTRUCTURE INC. | Department of the Interior National Park Service |
$28,939 | Sep 24, 2026 Ends: Apr 05, 2028 |
| EO 14398 SERVICE, AERIAL AND GROUND TREATMENT OF PHRAGMITES AT CAPE HATTERAS NATIONAL SEASHORE
140P5426C0027 · NAICS 541620 Environmental Consulting Services · Manteo, NC · SBA · Offers: 3 |
COOSA FISH AND WILDLIFE INITIATIVE, LLC | Department of the Interior National Park Service |
$95,245 | Sep 24, 2026 Ends: Sep 22, 2027 |
| FBIR PBA OIL & GAS COMPLETION
140A0126P0090 · NAICS 541620 Environmental Consulting Services · Aberdeen, SD · Offers: 1 |
C & C ENVIRONMENTAL INC | Department of the Interior Bureau of Indian Affairs and Bureau of Indian Education |
$23,387 | Sep 23, 2026 Ends: Mar 31, 2027 |
| ENVIRONMENTAL MANAGEMENT SYSTEM
140A2326F0190 · NAICS 541620 Environmental Consulting Services · Albuquerque, NM |
WHITETAIL ENVIRONMENTAL, LLC | Department of the Interior Bureau of Indian Affairs and Bureau of Indian Education |
$53,920 | Sep 23, 2026 Ends: Oct 30, 2026 |
| VA-DIOMA PERNAMBUCCO FEASIBLILITY STUDY
140FS326P0272 · NAICS 541620 Environmental Consulting Services · Falls Church, VA · Offers: 3 |
FEDERON PROCUREMENT SOLUTIONS | Department of the Interior U.S. Fish and Wildlife Service |
$248,000 | Sep 23, 2026 Ends: Sep 30, 2027 |
| EO 14398 - ADVANCED STATISTICAL MODELING AND ASSISTANCE FOR ONYX RANCH STATE VEHICLE RECREATION AREA (SVRA)
140G0326P0298 · NAICS 541620 Environmental Consulting Services · Ridgecrest, CA · Offers: 4 |
BAJADA ECOLOGY LLC | Department of the Interior U.S. Geological Survey |
$22,000 | Sep 23, 2026 Ends: Mar 01, 2027 |
| HID MONITORING AND VEGETATION ANALYSIS
140P5426F0024 · NAICS 541620 Environmental Consulting Services · Homestead, FL · Offers: 2 |
CONSOLIDATED SAFETY SERVICES INCORPORATED | Department of the Interior National Park Service |
$494,962 | Sep 23, 2026 Ends: Oct 31, 2027 |
| EO 14398, PINE RIDGE ENVIRONMENTAL ASSESSMENT FOR GREAT PLAINS REGION
140A0126P0087 · NAICS 541620 Environmental Consulting Services · Milwaukee, WI · ISBEE · Offers: 6 |
C & C ENVIRONMENTAL INC | Department of the Interior Bureau of Indian Affairs and Bureau of Indian Education |
$29,418 | Sep 22, 2026 Ends: Jan 31, 2027 |
| CA-FARALLON NWR-ECOLOGICAL RISK REVIEW
140FS126P0220 · NAICS 541620 Environmental Consulting Services · Newark, CA · Offers: 1 |
POINT REYES BIRD OBSERVATORY | Department of the Interior U.S. Fish and Wildlife Service |
$15,000 | Sep 22, 2026 Ends: Jan 31, 2027 |
| IL-CRAB ORCHARD NWR-SUPERFUND-CERCLA RECORDS MANAGEMENT AND LITIGATION SUPPORT
140FS226F0148 · NAICS 541620 Environmental Consulting Services · Marion, IL · Offers: 1 |
DPRA INCORPORATED | Department of the Interior U.S. Fish and Wildlife Service |
$392,462 Potential value: $402,562 |
Sep 22, 2026 Ends: Sep 30, 2027 |
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Register freeSource: USAspending.gov (prime contract awards of $10,000 or more). Values are amounts obligated to date. Recent months can still change as agencies report late.