NAICS 541620 · Environmental Consulting Services
96 open opportunities · 6,560 FY2025 awards · $1.19B obligated
Top contractors in this NAICS
- Weston Solutions INC$84.9M
- Hsg, LLC$46.1M
- Lynker Corporation$44.9M
- S C & A INC$37.7M
- Tetra Tech, INC.$24.1M
- Tetra Tech, INC.$21.5M
- Tetra Tech, INC.$20.8M
- Gulf South Research Corp$16.2M
Hunting recompetes here?
10+ contracts in this NAICS end within 18 months. The largest are listed below — incumbents and end dates included.
All expiring 541620 contracts →Open opportunities
| Title | Agency | Type | NAICS | Posted | Deadline |
|---|---|---|---|---|---|
| Notice of Intent to Award a BPA Call Order | FOREST SERVICE | Special Notice | 541620 | Jul 11, 2026 | Jul 25, 2026(9d) |
| NRCS Montana - National Resources Inventory (NRI) Grazing land Field Study Data Collection | FARM PRODUCTION AND CONSERVATION BUSINESS CENTER | Combined Synopsis/Solicitation | 541620 | Jul 11, 2026 | Jul 14, 2026 |
| Kiowa Grasslands Heritage Survey Cibola National Forest | FOREST SERVICE | Special Notice | 541620 | Jul 10, 2026 | Jul 15, 2026 |
| Environmental Health and Safety Industrial Hygiene Services for Maryland Army National Guard (MDARNG) Maintenance Facilities | DEPT OF THE ARMY | Combined Synopsis/Solicitation | 541620 | Jul 10, 2026 | Jul 28, 2026(13d) |
| Conex Refurbishment, Maxwell AFB, Al | DEPT OF THE AIR FORCE | Sources Sought | 541620 | Jul 10, 2026 | Jul 16, 2026(1d) |
| Stuttgart Tree Database services | DEPT OF THE ARMY | Solicitation | 541620 | Jul 10, 2026 | Jul 15, 2026(0d) |
| COAST GUARD YARD WASTEWATER ENVIRONMENTAL SAMPLING AND ANALYSIS | US COAST GUARD | Solicitation | 541620 | Jul 10, 2026 | Jul 20, 2026(5d) |
| F--Josephine Mine Site - Community Involvement Plan | DEPARTMENTAL OFFICES | Justification | 541620 | Jul 10, 2026 | — |
| Environmental Compliance Program Management for USAG Daegu | DEPT OF THE ARMY | Combined Synopsis/Solicitation | 541620 | Jul 10, 2026 | Jul 31, 2026(15d) |
| R499--Confined Space Inventory Service | VETERANS AFFAIRS, DEPARTMENT OF | Solicitation | 541620 | Jul 9, 2026 | Jul 20, 2026(5d) |
| R--Region 4 Superfund Technical Assessment & Response | ENVIRONMENTAL PROTECTION AGENCY | Award Notice | 541620 | Jul 9, 2026 | — |
| Increase to Multi-Award IDIQ ceiling for Basic Environmental Support Services | DEPT OF THE ARMY | Justification | 541620 | Jul 9, 2026 | — |
| VAMMS Unit design Optimization of vehicle add-on m | ENVIRONMENTAL PROTECTION AGENCY | Solicitation | 541620 | Jul 9, 2026 | Aug 6, 2026(22d) |
| NRCS-Colorado Cultural Resource Inventory and Recordation Services | FARM PRODUCTION AND CONSERVATION BUSINESS CENTER | Combined Synopsis/Solicitation | 541620 | Jul 9, 2026 | Jul 14, 2026 |
| NRCS-Colorado Cultural Resource Inventory and Recordation Services | FARM PRODUCTION AND CONSERVATION BUSINESS CENTER | Combined Synopsis/Solicitation | 541620 | Jul 9, 2026 | Jul 14, 2026 |
Largest contracts ending within 18 months
| PIID | Contractor | Description | Agency | NAICS | Obligated | Start | End |
|---|---|---|---|---|---|---|---|
| 68HE0925F0018 ↗ | Weston Solutions INC | 2025 CALIFORNIA WILDFIRES AND STRAIGHT-LINE WINDS EVENT. TO 110 TO SUPPORT THE 2025 SOCAL WILDFIRES. | Environmental Protection Agency | 541620 | $50.0M | Jan 10, 2025 | Jul 21, 2026 |
| 89233121FNA400380 ↗ | Project Enhancement Corporation | U.S. DEPARTMENT OF ENERGY/NATIONAL NUCLEAR SECURITY ADMINISTRATION (DOE/NNSA)OFFICE OF COUNTERTERRORISM AND COUNTER-PROLIFERATION (NA-80) TECHNICAL SUPPORT SERVICES | Department Of Energy | 541620 | $21.2M | Jul 1, 2021 | Dec 31, 2026 |
| 68HERC24F0515 ↗ | S C & A INC | R499- TACKLING EMERGING CONTAMINANTS (TEC) WATER TECHNICAL ASSISTANCE (WATERTA) | Environmental Protection Agency | 541620 | $17.9M | Sep 19, 2024 | Sep 18, 2026 |
| 1305M221FNCNP0096 ↗ | Lynker Corporation | 1305M419DNCNA0018/1305M221FNCNP0096, NOS/OCM TECHNICAL SUPPORT SERVICES (TSS) | National Oceanic And Atmospheric Administration | 541620 | $10.8M | Oct 1, 2021 | Sep 30, 2026 |
| 89233119FNA400238 ↗ | Project Enhancement Corporation | SUPPORT SERVICE CONTRACT, TRAINING & FEDERAL AGENT SUPPORT FOR OFFICE OF SECURE TRANSPORTATION - NA-15. | Department Of Energy | 541620 | $8.8M | Feb 17, 2020 | Aug 16, 2026 |
| 89243321FAU400002 ↗ | Project Enhancement Corporation | THE PURPOSE OF THIS MODIFICATION IS TO ADD INCREMENTAL FUNDING IN THE AMOUNT OF $1,371,000.00 TO STRIPES LINE ITEM 00005, CONTRACT CLIN 00005 FOR OPTION YEAR 3. ACCORDINGLY, OPTION PERIOD III FUNDING IN THE AMOUNT OF $1,371,000.00 IS OBLIGATED TO | Department Of Energy | 541620 | $8.4M | Aug 25, 2021 | Oct 31, 2026 |
| 140R2025P0072 ↗ | Dr Reed & Associates, INC | CONTINUOUS FLOW AND WATER QUALITY MONITORING NETWORK IN THE SACRAMENTO-SAN JOAQUIN DELTA AND SUISUN BAY | Bureau Of Reclamation | 541620 | $6.9M | Sep 23, 2025 | Oct 31, 2026 |
| 80MSFC25FA092 ↗ | Jacobs Geosyntec A Joint Venture | THE OBJECTIVE OF THIS TASK ORDER (TO) IS TO PROVIDE RESTORATION SERVICES TO COMPLETE REMEDIAL ACTIVITIES UNDER CERCLA. | National Aeronautics And Space Administration | 541620 | $6.8M | Sep 23, 2025 | Sep 30, 2027 |
| 72051423C00001 ↗ | Chemonics International, INC. | THE GOAL PURSUED IN THE USAID TIERRA DORADA ACTIVITY IS TO REDUCE GREENHOUSE GAS EMISSIONS, PROMOTE BIODIVERSITY CONSERVATION AND SUPPORT LICIT LIVELIHOODS THROUGH THE DEVELOPMENT AND SUPPORT OF SOCIALLY AND ENVIRONMENTALLY RESPONSIBLE ASM AC | Agency For International Development | 541620 | $5.9M | Dec 23, 2022 | Jan 2, 2028 |
| 80MSFC24F0118 ↗ | Hsg, LLC | NEMCON IDIQ TASK ORDER IS TO PROVIDE OCCUPATIONAL HEALTH SERVICES (OHS) FOR MSFC, WHICH INCLUDES OCCUPATIONAL MEDICINE, EMPLOYEE ASSISTANCE PROGRAM, INDUSTRIAL HYGIENE, HEALTH PHYSICS, AND RESPIRATORY PROTECTION SERVICES. | National Aeronautics And Space Administration | 541620 | $5.4M | Sep 1, 2024 | Sep 30, 2026 |