Data / Federal awards / NAICS 541620 / National Aeronautics and Space Administration
National Aeronautics and Space Administration contracts under NAICS 541620 Environmental Consulting Services: $258.5 million to 21 recipients (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
National Aeronautics and Space Administration obligated $258.5 million under NAICS 541620, Environmental Consulting Services, across 170 contract awards to 21 named recipients in fiscal years 2024 to 2027. The largest recipients are HSG, LLC ($139.3 million), TETRA TECH, INC. ($43.5 million), JACOBS GEOSYNTEC A JOINT VENTURE ($23.3 million). 13 opportunities under this code are open on SAM.gov now.
The request: Every federal contract awarded by National Aeronautics and Space Administration under NAICS 541620, with the winner, the value and the period of performance. $10 of work on sign-up, no card.
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- Agency
- National Aeronautics and Space Administration
- NAICS code
- 541620 Environmental Consulting Services
- Contract awards
- 170
- Obligated
- $258.5 million
- Named recipients
- 21
- Small business share of obligations
- 62%
- Full and open competition share
- 99%
- Set aside share
- 52%
- Latest action
- 2026-10-02
Open opportunities in this niche
The same code on SAM.gov, read each morning: 13 opportunities you can still respond to.
Incumbents at this agency
Ranked by dollars obligated in fiscal years 2024 to 2027.
| Recipient | Business size | Awards | Obligated | Share |
|---|---|---|---|---|
| HSG, LLC | Small Business | 28 | $139.3 million | 53.9% |
| TETRA TECH, INC. | Other Than Small Business | 40 | $43.5 million | 16.8% |
| JACOBS GEOSYNTEC A JOINT VENTURE | Other Than Small Business | 10 | $23.3 million | 9.0% |
| STRAUGHAN ENVIRONMENTAL, INC. | Small Business | 24 | $10.5 million | 4.1% |
| AECOM TECHNICAL SERVICES, INC. | Other Than Small Business | 20 | $10 million | 3.9% |
| HYDROGEOLOGIC, INC. | Other Than Small Business | 19 | $9.3 million | 3.6% |
| BLUESTONE ENVIRONMENTAL GROUP, INC. | Small Business | 2 | $9.2 million | 3.5% |
| TETRA TECH, INC. | Other Than Small Business | 3 | $5 million | 1.9% |
| DDC 4C, LLC | Small Business | 2 | $3.1 million | 1.2% |
| BB&E, INC. | Other Than Small Business | 3 | $2.8 million | 1.1% |
| C.J. SETO SUPPORT SERVICES, LLC | Small Business | 1 | $1.3 million | 0.5% |
| THE BOEING COMPANY | Other Than Small Business | 2 | $1.1 million | 0.4% |
| SIMPSON WEATHER ASSOCIATES, INC. | Small Business | 1 | $52,166 | 0.0% |
| THE ENVIRONMENT MARYLAND DEPARTMENT OF | Other Than Small Business | 3 | $47,276 | 0.0% |
| VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY | Other Than Small Business | 1 | $30,992 | 0.0% |
| ISMS-NAVARRO LLC | Small Business | 1 | $1,000 | 0.0% |
| GRAVITATE LIMITED LIABILITY COMPANY | Small Business | 3 | $2 | 0.0% |
| HAZTRAIN INC | Small Business | 1 | $0 | 0.0% |
| HOMEYER CONSULTING SERVICES INC | Small Business | 1 | $-22 | -0.0% |
| DDC CONSTRUCTION SERVICES LLC | Small Business | 1 | $-3,298 | -0.0% |
| FORTY-ONE G SERVICES LLC | Other Than Small Business | 1 | $-97,945 | -0.0% |
Offices buying
| Sub agency | Awards | Obligated |
|---|---|---|
| National Aeronautics and Space Administration | 170 | $258.5 million |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $62 million |
| FY2025 | $97.1 million |
| FY2026 | $99.4 million |
| FY2027 | $-0 |
Products and services bought
| Code | Product or service | Awards | Obligated |
|---|---|---|---|
| R408 | Support- Professional: Program Management/support | 25 | $137.9 million |
| C219 | Architect and Engineering- General: Other | 91 | $87.2 million |
| F999 | Other Environmental Services | 16 | $10.9 million |
| F111 | Environmental Systems Protection- Multiple Pollutant Support | 22 | $10.5 million |
| R699 | Support- Administrative: Other | 2 | $9.2 million |
| Q533 | Occupational & Public Health Services | 1 | $1.4 million |
| R499 | Support- Professional: Other | 2 | $1.3 million |
| Y1QA | Construction of Restoration of Real Property (public or Private) | 1 | $134,363 |
Largest contract awards
| Award ID | Recipient | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80KSC020D0023 | HSG, LLC | National Aeronautics and Space Administration | IDC | 541620 | NASA AGENCY AND CAPE CANAVERAL AIR FORCE STATION ENVIRONMENTAL AND MEDICAL CONTRACT (NEMCON). ACTIVE PERIOD OF PERFORMANCE: 10/01/2020 - 09/ | $122,123,263 | $345,652,817 | October 1, 2020 | usaspending.gov | ||
| 80MSFC25FA092 | JACOBS GEOSYNTEC A JOINT VENTURE | National Aeronautics and Space Administration | Delivery Order | 541620 | THE OBJECTIVE OF THIS TASK ORDER (TO) IS TO PROVIDE RESTORATION SERVICES TO COMPLETE REMEDIAL ACTIVITIES UNDER CERCLA. | $9,286,517 | $9,286,517 | September 23, 2025 | September 30, 2027 | Huntsville, AL | usaspending.gov |
| 80GSFC21CA008 | BLUESTONE ENVIRONMENTAL GROUP, INC. | National Aeronautics and Space Administration | Definitive Contract | 541620 | THIS CONTRACT PROVIDES ASSISTANCE IN MEETING THE OBJECTIVES OF THE GSFC ENVIRONMENTAL MANAGEMENT PROGRAM. | $9,175,519 | $29,636,293 | August 1, 2021 | August 31, 2026 | Greenbelt, MD | usaspending.gov |
| 80KSC024FA116 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | THE ARCHITECT-ENGINEERING FIRM (A-E) SHALL PROVIDE RESTORATION SERVICES AT KENNEDY SPACE CENTER. TASK ORDER UNDER NASA ENVIRONMENTAL AND RES | $7,535,475 | $7,535,475 | October 1, 2024 | June 30, 2028 | Orlando, FL | usaspending.gov |
| 80GSFC24FA024 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | TASK ORDER - SITEWIDE PFAS AND PROGRAM SUPPORT AT WALLOPS FLIGHT FACILITY, WALLOPS ISLAND, VA. ISSUED UNDER - KSC NASA ENVIRONMENTAL RESTORA | $7,409,846 | $7,409,846 | August 15, 2024 | December 28, 2027 | Wallops Island, VA | usaspending.gov |
| 80KSC024FA115 | JACOBS GEOSYNTEC A JOINT VENTURE | National Aeronautics and Space Administration | Delivery Order | 541620 | RESTORATION SERVICES AT KENNEDY SPACE CENTER. TASK ORDER UNDER NASA ENVIRONMENTAL RESTORATION AND COMPLIANCE CONTRACT (NERCC). | $7,383,837 | $7,383,837 | September 18, 2024 | June 30, 2028 | Orlando, FL | usaspending.gov |
| 80MSFC24F0118 | HSG, LLC | National Aeronautics and Space Administration | Delivery Order | 541620 | NEMCON IDIQ TASK ORDER IS TO PROVIDE OCCUPATIONAL HEALTH SERVICES (OHS) FOR MSFC, WHICH INCLUDES OCCUPATIONAL MEDICINE, EMPLOYEE ASSISTANCE | $6,988,365 | $9,445,826 | September 1, 2024 | September 30, 2027 | Huntsville, AL | usaspending.gov |
| 80GSFC24FA037 | HYDROGEOLOGIC, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | TASK ORDER - FORMERLY USED DEFENSE SITES (FUDS) AT WALLOPS FLIGHT FACILITY, WALLOPS ISLAND, VA. ISSUED UNDER - KSC NASA ENVIRONMENTAL RESTOR | $5,784,092 | $5,784,092 | September 25, 2024 | December 31, 2027 | Wallops Island, VA | usaspending.gov |
| 80KSC024FA114 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | RESTORATION SERVICES AT LAUNCH COMPLEX 34, CAPE CANAVERAL SPACE FORCE STATION, FLORIDA. TASK ORDER UNDER NASA ENVIRONMENTAL RESTORATION AND | $5,540,093 | $5,540,093 | September 4, 2024 | June 30, 2029 | Orlando, FL | usaspending.gov |
| 80NM0025FA001 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | SITE WIDE PROGRAM SUPPORT AND PFAS ASSESSMENT, NASA JPL AND GDSCC | $4,585,286 | $4,585,286 | April 1, 2025 | September 30, 2027 | Pasadena, CA | usaspending.gov |
| 80KSC019F0141 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | PER- AND POLYFLUOROALKYL SUBSTANCES PRELIMINARY OR SOLID WASTE MANAGEMENT UNIT (SWMU) ASSESSMENT AND SITE INVESTIGATION OR CONFIRMATION SAMP | $4,431,896 | $9,752,184 | September 25, 2019 | October 31, 2026 | Orlando, FL | usaspending.gov |
| 80KSC024FA117 | AECOM TECHNICAL SERVICES, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | RESTORATION SERVICES PROVIDED FOR KENNEDY SPACE CENTER. TASK ORDER UNDER NASA ENVIRONMENTAL RESTORATION AND COMPLIANCE CONTRACT (NERCC). | $4,325,894 | $4,325,894 | October 1, 2024 | December 30, 2028 | Orlando, FL | usaspending.gov |
| 80KSC021F0096 | AECOM TECHNICAL SERVICES, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | PERFLUOROALKYL (PER)- AND POLYFLUOROALKYL SUBSTANCES SITE ASSESSMENT AND MITIGATION AT KENNEDY SPACE CENTER, FLORIDA | $4,271,529 | $9,082,119 | August 30, 2021 | November 30, 2026 | Orlando, FL | usaspending.gov |
| 80JSC025FA074 | STRAUGHAN ENVIRONMENTAL, INC. | National Aeronautics and Space Administration | BPA Call | 541620 | JSC ENVIRONMENTAL SERVICES TEAMS II (JEST II) | $4,140,814 | $4,140,814 | March 1, 2025 | September 30, 2026 | Houston, TX | usaspending.gov |
| 80LARC24FA048 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | PER-AND POLYFLUOROALKYL SUBSTANCES (PFAS) SITE-WIDE-PROGRAM-SUPPORT FOR LANGLEY | $3,893,257 | $3,893,257 | September 23, 2024 | September 21, 2028 | Hampton, VA | usaspending.gov |
| 80GSFC24FA028 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | TASK ORDER - MAIN BASE NORTH AT WALLOPS FLIGHT FACILITY, WALLOPS ISLAND, VA. ISSUED UNDER - KSC NASA ENVIRONMENTAL RESTORATION AND COMPLIANC | $3,434,309 | $3,434,309 | September 24, 2024 | December 28, 2028 | Wallops Island, VA | usaspending.gov |
| 80NSSC26F0070 | DDC 4C, LLC | National Aeronautics and Space Administration | BPA Call | 541620 | NASA ENVIRONMENTAL SUPPORT SERVICES (NESS) ORDER GODDARD SPACE FLIGHT CENTER (GSFC/WFF) | $3,080,350 | $5,835,587 | August 1, 2026 | July 31, 2027 | Greenbelt, MD | usaspending.gov |
| 80KSC025F0008 | TETRA TECH, INC. | National Aeronautics and Space Administration | BPA Call | 541620 | ENVIRONMENTAL SERVICES AT STENNIS SPACE CENTER TO INCLUDE NASA SHARED SERVICES CENTER (NSSC) AND NATIONAL CENTER FOR CRITICAL INFORMATION PR | $3,056,010 | $3,410,149 | June 1, 2025 | September 30, 2027 | Stennis Space Center, MS | usaspending.gov |
| 80ARC026FA032 | HYDROGEOLOGIC, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | THIS CONTRACT PROVIDES ENVIRONMENTAL RESTORATION SERVICES IN SUPPORT OF THE VARIOUS MISSIONS AT NASA AMES RESEARCH CENTER (ARC) IN MOFFETT F | $2,870,144 | $2,870,144 | June 16, 2026 | January 30, 2027 | Moffett Field, CA | usaspending.gov |
| 80JSC024F0024 | STRAUGHAN ENVIRONMENTAL, INC. | National Aeronautics and Space Administration | BPA Call | 541620 | CALL 28 CORE SERVICES (3/1/24 - 2/28/25) JEST | $2,525,508 | $2,525,508 | March 1, 2024 | February 28, 2025 | Houston, TX | usaspending.gov |
| 80LARC25F0004 | BB&E, INC. | National Aeronautics and Space Administration | BPA Call | 541620 | NASA LANGLEY RESEARCH CENTER ENVIRONMENTAL SUPPORT SERVICES | $2,245,280 | $3,080,757 | September 8, 2025 | September 30, 2027 | Hampton, VA | usaspending.gov |
| 80GSFC25FA024 | TETRA TECH, INC. | National Aeronautics and Space Administration | Delivery Order | 541620 | NASA WALLOPS FLIGHT FACILITY (WFF) MAIN BASE EAST - PFAS RESTORATION ACTIVITIES. | $2,188,552 | $2,188,552 | August 5, 2025 | December 28, 2027 | Wallops Island, VA | usaspending.gov |
| 80LARC22F0046 | HSG, LLC | National Aeronautics and Space Administration | Delivery Order | 541620 | ENVIRONMENTAL SUPPORT SERVICES FOR LANGLEY RESEARCH CENTER. | $2,175,604 | $4,281,336 | October 1, 2022 | September 30, 2025 | Hampton, VA | usaspending.gov |
| 80GSFC24F0034 | HSG, LLC | National Aeronautics and Space Administration | Delivery Order | 541620 | NEMCON TASK ORDER FOR OCCUPATIONAL MEDICAL SERVICES FOR NASA GODDARD SPACE FLIGHT CENTER IN GREENBELT, MD, AND WALLOPS FLIGHT FACILITY IN WA | $2,150,632 | $2,169,896 | April 1, 2024 | March 31, 2026 | Greenbelt, MD | usaspending.gov |
| 80KSC025F0009 | TETRA TECH, INC. | National Aeronautics and Space Administration | BPA Call | 541620 | ENVIRONMENTAL SERVICES AT ARMSTRONG FLIGHT RESEARCH CENTER (AFRC) UNDER THE NASA ENVIRONMENTAL SUPPORT SERVICES (NESS) BLANKET PURCHASE AGRE | $1,964,129 | $2,111,150 | June 1, 2025 | September 30, 2027 | Edwards, CA | usaspending.gov |
Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.