Data / Federal awards / NAICS 541620 / GULF SOUTH RESEARCH CORP
GULF SOUTH RESEARCH CORP: 85 federal contract awards, $70.5 million obligated (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
GULF SOUTH RESEARCH CORP (UEI NH3HNLDKWHK1), Baton Rouge, LA, received 85 federal prime contract awards with $70.5 million obligated in fiscal years 2024 to 2027, from 6 agencies under 4 NAICS codes. Its largest buyer is Department of Homeland Security ($62.3 million) and its largest code is NAICS 541620 Environmental Consulting Services.
The request: Every federal contract awarded under NAICS 541620, with the winner, the agency and the value. $10 of work on sign-up, no card.
SpecStream is the live web data engine for teams and agents. It reads every federal contract award on USAspending.gov and every open opportunity on SAM.gov, and this page is that reading. Ask for the awards in your niche and the winners, agencies, values and recompetes arrive in your sheet, CRM, Slack or agent as they are reported.
- NH3HNLDKWHK1UEI
- Baton Rouge, LALocation
- Small BusinessBusiness size
- 85Contract awards
- $70.5 millionObligated
- 2023-10-13First action in window
- 2026-09-25Latest action
Where the work is
NAICS codes, with the other winners in each.
| NAICS | Industry | Awards | Obligated |
|---|---|---|---|
| 541620 | Environmental Consulting Services | 51 | $63.6 million |
| 541690 | Other Scientific and Technical Consulting Services | 31 | $6.7 million |
| 115310 | Support Activities for Forestry | 2 | $160,189 |
| 541720 | Research and Development in the Social Sciences and Humanities | 1 | $0 |
Buying agencies
| Agency | Awards | Obligated |
|---|---|---|
| Department of Homeland Security | 32 | $62.3 million |
| Department of Defense | 43 | $7.6 million |
| Department of the Interior | 7 | $494,176 |
| Department of Transportation | 1 | $82,903 |
| General Services Administration | 1 | $0 |
| Department of Labor | 1 | $0 |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $2.6 million |
| FY2025 | $19.5 million |
| FY2026 | $48.4 million |
Contract awards
The 50 largest of 85 awards by dollars obligated in fiscal years 2024 to 2027.
| Award ID | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| 70B01C26F00000215 | Department of Homeland Security | Delivery Order | 541620 | CULTURAL AND NATURAL RESOURCES MONITORING FOR BORDER WALL CONSTRUCTION SEGMENTS IN LAREDO SECTOR, LRT-1 AND LRT-2. | $9,724,710 | $9,724,710 | March 3, 2026 | March 8, 2028 | Laredo, TX | usaspending.gov |
| 70B01C26F00000237 | Department of Homeland Security | Delivery Order | 541620 | CONSTRUCTION MONITORING SERVICES SW BORDER | $8,078,087 | $8,078,087 | March 10, 2026 | March 30, 2028 | Baton Rouge, LA | usaspending.gov |
| 70B01C26F00000530 | Department of Homeland Security | Delivery Order | 541620 | TASK ORDER FOR NATURAL AND CULTURAL RESOURCE MONITORING AT BORDER WALL CONSTRUCTION SEGMENT IN EL PASO SECTOR (EPT-5) | $7,794,567 | $7,794,567 | July 9, 2026 | December 30, 2027 | El Paso, TX | usaspending.gov |
| 70B01C26F00000228 | Department of Homeland Security | Delivery Order | 541620 | YUM-2 WELLTON CONSTRUCTION AND ENVIRONMENTAL MONITORING SERVICES | $5,472,502 | $5,472,502 | March 9, 2026 | March 30, 2028 | Baton Rouge, LA | usaspending.gov |
| 70B01C25F00001303 | Department of Homeland Security | Delivery Order | 541620 | CONSTRUCTION MONITORING | $4,465,206 | $1,912,499 | September 28, 2025 | June 30, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C26F00000531 | Department of Homeland Security | Delivery Order | 541620 | TASK ORDER FOR RESOURCE MONITORING AT BORDER WALL CONSTRUCTION SEGMENT IN RIO GRANDE VALLEY (RGV) SECTOR RGV-3. | $4,418,511 | $4,418,511 | July 17, 2026 | December 30, 2027 | Rio Grande City, TX | usaspending.gov |
| 70B01C26F00000483 | Department of Homeland Security | Delivery Order | 541620 | CONSTRUCTION MONITORING | $4,402,291 | $4,402,291 | June 30, 2026 | December 30, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C26F00000477 | Department of Homeland Security | Delivery Order | 541620 | TASK ORDER FOR RESOURCE MONITORING SUPPORT FOR CONSTRUCTION OF WATERBORNE BARRIER AT RIO GRANDE VALLEY (RGV) WALL SEGMENT RGV-2. | $3,298,740 | $3,298,740 | June 30, 2026 | June 29, 2027 | Roma, TX | usaspending.gov |
| 70B01C25F00001295 | Department of Homeland Security | Delivery Order | 541620 | CONSTRUCTION MONITORS | $2,717,078 | $2,717,078 | September 28, 2025 | December 30, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C25F00001299 | Department of Homeland Security | Delivery Order | 541620 | CONSTRUCTION MONITORING | $2,546,874 | $2,546,874 | September 28, 2025 | December 30, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C25F00001085 | Department of Homeland Security | Delivery Order | 541620 | ENVIRONMENTAL MONITORING OF CONSTRUCTION SITE. | $2,463,398 | $2,463,398 | September 15, 2025 | September 30, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C25F00000647 | Department of Homeland Security | Delivery Order | 541620 | THIS CONTRACT WILL PROVIDE ONSITE CRITICAL RESOURCE MONITORS DURING NEW BARRIER CONSTRUCTION ACTIVITIES. THE MONITORS WILL PRODUCE DAILY AND | $2,034,423 | $2,034,423 | August 24, 2025 | May 30, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C25F00001226 | Department of Homeland Security | Delivery Order | 541620 | CONSTRUCTION MONITORING | $1,995,039 | $1,995,039 | September 24, 2025 | December 30, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C25F00000646 | Department of Homeland Security | Delivery Order | 541620 | BORDER WALL CONSTRUCTION MONITORS, INSPECTING CONSTRUCTION SITE WORK IN ACCORDANCE WITH REGULATIONS/CONTRACT REQUIREMENTS. | $1,601,144 | $1,601,144 | August 24, 2025 | September 30, 2027 | Baton Rouge, LA | usaspending.gov |
| N6247324F4741 | Department of Defense | Delivery Order | 541690 | X002 *WHEELED IN ACTION FROM ECOMP - HABITAT ENHANCEMENT AND DUNE | $1,294,700 | $1,294,700 | July 17, 2024 | August 29, 2027 | San Diego, CA | usaspending.gov |
| 70B01C25F00001316 | Department of Homeland Security | Delivery Order | 541620 | ENVIRONMENTAL SERVICES | $898,211 | $898,211 | September 29, 2025 | March 31, 2027 | Baton Rouge, LA | usaspending.gov |
| 70B01C26F00001233 | Department of Homeland Security | Delivery Order | 541620 | CBP TACTICAL INFRASTRUCTURE (TI) CARRIZO CANE VEGETATION MANAGEMENT ACTIVITIES INCLUDING ROADS AND BRIDGES FENCE AND GATES (INCLUDING CONCER | $797,100 | $797,100 | September 28, 2026 | September 27, 2027 | Baton Rouge, LA | usaspending.gov |
| N6247321F5522 | Department of Defense | Delivery Order | 541690 | X007 RFP FOR ISLAND FOX POPULATION AND SENTINEL FOX MONITORING | $769,567 | $1,789,294 | September 24, 2021 | September 24, 2026 | Point Mugu Nawc, CA | usaspending.gov |
| 70B01C26P00000443 | Department of Homeland Security | Purchase Order | 541620 | CBP TACTICAL INFRASTRUCTURE ASSETS WHICH INCLUDE THE FOLLOWING CATEGORIES: ROADS AND BRIDGES FENCE AND GATES INCLUDING VEGETATION CONTROL DE | $639,047 | $639,047 | September 30, 2026 | September 30, 2027 | Washington, DC | usaspending.gov |
| W9123824F0054 | Department of Defense | Delivery Order | 541620 | JUVENILE GREEN STURGEON MONITORING IN THE LOWER SACRAMENTO RIVER TO COMPLY WITH THE U.S ARMY CORPS OF ENGINEERS (USACE) AMERICAN RIVER COMMO | $549,474 | $549,474 | August 9, 2024 | August 11, 2026 | Sacramento, CA | usaspending.gov |
| 70B03C24F00000870 | Department of Homeland Security | Delivery Order | 541620 | TACTICAL INFRASTRUCTURE ENVIRONMENTAL ASSESSMENT | $506,996 | $506,996 | September 8, 2024 | March 31, 2026 | Baton Rouge, LA | usaspending.gov |
| 70B01C26P00000486 | Department of Homeland Security | Purchase Order | 541620 | PROCURE BIOLOGICAL, CULTURAL, ARCHEOLOGICAL, AND ENVIRONMENTAL PLANNING TECHNICAL EXPERTISE REQUIRED FOR DEVELOPING AND IMPLEMENTING CONSTRU | $449,978 | $449,978 | September 30, 2026 | September 29, 2027 | Washington, DC | usaspending.gov |
| N6247325F4083 | Department of Defense | Delivery Order | 541690 | NATURAL RESOURCE MASC | $416,161 | $416,161 | December 12, 2024 | December 11, 2026 | San Diego, CA | usaspending.gov |
| N6247324F4126 | Department of Defense | Delivery Order | 541690 | X044 FY24 CMM/RTSWS | $397,208 | $397,208 | December 21, 2023 | December 20, 2025 | Warner Springs, CA | usaspending.gov |
| N6247326F0192 | Department of Defense | Delivery Order | 541690 | THE OBJECTIVE OF THIS TASK ORDER IS TO CONDUCT WET AND DRY SEASON SURVEYS OF 66 VERNAL POOLS TO DETERMINE THE EXTENT AND DISTRIBUTION OF ANY | $370,749 | $370,749 | March 12, 2026 | March 10, 2028 | San Diego, CA | usaspending.gov |
| N6247325F0372 | Department of Defense | Delivery Order | 541690 | PRE AND POST FIRE MANAGEMENT SIKES ACT, UPLANDS MANAGEMENT SECTION, MARINE CORPS BASE CAMP PENDLETON, CA | $370,711 | $370,711 | September 3, 2025 | July 3, 2030 | Camp Pendleton, CA | usaspending.gov |
| N6247324F5123 | Department of Defense | Delivery Order | 541690 | X004 EDRR AND LETE/SNPL HABITAT MANAGEMENT | $353,400 | $353,400 | August 28, 2024 | June 28, 2026 | Camp Pendleton, CA | usaspending.gov |
| N6247325F0488 | Department of Defense | Delivery Order | 541690 | UPDATE THE 2018 VEGETATION MANAGEMENT PLAN FOR NAVAL BASE POINT LOMA AND IMPLEMENT FOCUSED STRATEGIES FOR THE CONTROL AND REMOVAL OF INVASIV | $352,669 | $352,669 | August 28, 2025 | August 28, 2028 | San Diego, CA | usaspending.gov |
| N6247325F0476 | Department of Defense | Delivery Order | 541690 | THIS TASK ORDER IS TO ASSESS, MONITOR, AND EVALUATE FEDERALLY REGULATED RESOURCES, INCLUDING BUT NOT LIMITED TO, WETLAND RESTORATION PROJECT | $349,196 | $349,196 | August 19, 2025 | February 21, 2028 | Point Mugu Nawc, CA | usaspending.gov |
| N6247326F0367 | Department of Defense | Delivery Order | 541690 | PURPOSE OF THIS TASK ORDER IS TO EXECUTE CRITICAL ENVIRONMENTAL MANAGEMENT SERVICES ACROSS NAVAL SUPPORT ACTIVITY (NSA) MONTEREY AND NAVAL B | $329,605 | $329,605 | May 28, 2026 | November 28, 2027 | Monterey, MA | usaspending.gov |
| N6247325F0468 | Department of Defense | Delivery Order | 541690 | IN ACCORDANCE WITH THE TERMS OF THE BASIC CONTRACT, N62473-23-D-1814, IN SUPPORT OF TO N6247325F4068, FY25 UPLAND INVASIVE PLANT MANAGEMENT | $324,922 | $324,922 | August 19, 2025 | August 19, 2027 | Oceanside, CA | usaspending.gov |
| N6247324F5133 | Department of Defense | Delivery Order | 541690 | HABITAT INVASIVE SPECIES SERVICES | $303,519 | $303,519 | August 29, 2024 | August 29, 2026 | San Diego, CA | usaspending.gov |
| N6247325F0433 | Department of Defense | Delivery Order | 541690 | THE PURPOSE OF THIS TASK ORDER (TO) IS TO STABILIZE AND REPAIR SITES THROUGHOUT NAVAL BASE POINT LOMA (NBPL) AND UPDATE THE 2008 NBPL EROSIO | $299,387 | $299,387 | August 28, 2025 | August 29, 2027 | San Diego, CA | usaspending.gov |
| 140R3024F0056 | Department of the Interior | Delivery Order | 541620 | INVASIVE SPECIES INVENTORY ON RECLAMATION PROPERTIES FOR THE PHOENIX AREA OFFICE | $251,364 | $251,364 | June 14, 2024 | April 16, 2025 | Baton Rouge, LA | usaspending.gov |
| W9123823F0069 | Department of Defense | Delivery Order | 541620 | ARCF FISH TAGGING | $241,972 | $324,290 | September 20, 2023 | November 30, 2026 | Sacramento, CA | usaspending.gov |
| N6247325F0463 | Department of Defense | Delivery Order | 541690 | CREATE A SUITABLE HABITAT CONDITIONS AND CONNECTIVITY TO EXTEND THE RANGE OF STEPHEN S KANGAROO RAT (SKR) IN THE JULIET TRAINING AREA, WHICH | $218,787 | $218,787 | August 22, 2025 | September 7, 2029 | San Diego, CA | usaspending.gov |
| W912EE25F0002 | Department of Defense | Delivery Order | 541620 | ENVIROMENTAL SERVICES - EXECUTIVE SUMMARY REPORT TO SUPPORT THE USACE-MVK. | $146,132 | $146,132 | October 18, 2024 | January 16, 2026 | Baton Rouge, LA | usaspending.gov |
| N6247324F4179 | Department of Defense | Delivery Order | 541690 | FY24 LEAST TERN SITE MAINTENANCE | $145,307 | $145,307 | January 19, 2024 | June 30, 2026 | San Diego, CA | usaspending.gov |
| 140FS325C0015 | Department of the Interior | Definitive Contract | 115310 | CA-SAN DIEGO NWR COMPLEX-WILDFIRE RECOVE | $130,990 | $130,990 | August 5, 2025 | April 17, 2026 | Jamul, CA | usaspending.gov |
| N6247324F4745 | Department of Defense | Delivery Order | 541690 | X045 INRMP IMPLEMENTATION, DESERT TORTOISE CONSERVATION MEASURES, | $127,536 | $127,536 | July 8, 2024 | June 29, 2026 | Ridgecrest, CA | usaspending.gov |
| W912ES24F0127 | Department of Defense | Delivery Order | 541620 | BIOLOGICAL ASSESSMENT | $127,097 | $127,097 | September 26, 2024 | May 30, 2025 | Baton Rouge, LA | usaspending.gov |
| FA910125FB053 | Department of Defense | Delivery Order | 541620 | INVASIVE SPECIES PLANT SURVEY | $122,902 | $122,902 | September 8, 2025 | September 8, 2027 | Arnold Afb, TN | usaspending.gov |
| N6247326F0442 | Department of Defense | Delivery Order | 541690 | THE PURPOSE OF THIS CONTRACT TASK ORDER IS TO PROVIDE RANGE HABITAT MONITORING FOR WILD HORSES AND BURROS AT NAWS CHINA LAKE, CALIFORNIA. PE | $98,031 | $98,031 | June 24, 2026 | June 24, 2028 | Ridgecrest, CA | usaspending.gov |
| N6247324F4900 | Department of Defense | Delivery Order | 541690 | X003 FY24 INTO CALIFORNIA TOWHEE HABITAT PROTECTION | $84,217 | $84,217 | July 24, 2026 | July 24, 2026 | Ridgecrest, CA | usaspending.gov |
| 693C7325F00098N | Department of Transportation | Delivery Order | 541620 | PROJECT PR ERFO FS ELYUN816 2022-1(1)- EL YUNQUE NATIONAL FOREST, BIOLOGICAL ASSESSMENT AND BIOLOGICAL FIELD SURVEYS | $82,903 | $82,903 | August 1, 2025 | January 31, 2026 | Ashburn, VA | usaspending.gov |
| N6247324F4297 | Department of Defense | Delivery Order | 541690 | NAB NORTH/SOUTH DELTA TERN SITE SAND ENH | $81,317 | $81,317 | June 12, 2024 | March 30, 2027 | San Diego, CA | usaspending.gov |
| 140FNR25F0007 | Department of the Interior | Delivery Order | 541620 | AL-DEEP HORIZON NRDA AND RESTOR OF SURVE | $42,401 | $42,401 | August 27, 2025 | August 31, 2026 | Theodore, AL | usaspending.gov |
| W9124A21C0006 | Department of Defense | Definitive Contract | 541690 | PROGRAMMATIC BIOLOGICAL ASSESSMENT (PBA) | $39,547 | $738,834 | June 10, 2021 | December 31, 2024 | Fort Huachuca, AZ | usaspending.gov |
| 140FS124P0170 | Department of the Interior | Purchase Order | 115310 | INVASIVE WEED TREATMENT FOR THE SAGE FIRE SAN DIEGO NWR CA | $29,200 | $29,200 | July 18, 2024 | December 14, 2024 | Chula Vista, CA | usaspending.gov |
| N6247324F4917 | Department of Defense | Delivery Order | 541690 | X046 *WHEELED IN ACTION FROM ECOMP - FY24 00245NN607 NBSD INRMP U | $27,854 | $27,854 | August 8, 2024 | August 8, 2027 | San Diego, CA | usaspending.gov |
Also on SpecStream
- All recipients under NAICS 541620 Environmental Consulting Services
- All recipients under NAICS 541690 Other Scientific and Technical Consulting Services
- All recipients under NAICS 115310 Support Activities for Forestry
- Open opportunities under NAICS 541620
- Open opportunities under NAICS 541690
- Open opportunities under NAICS 115310
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.