Gulf South Research CORP
UEI NH3HNLDKWHK1 CAGE 09RN7 Active Baton Rouge, LA
Small Business · Data through September 25, 2026
Obligations, FY2026
$48.4M
Total obligations, FY2024–FY2026
$70.5M
Contract actions, FY2024–FY2026
85
Top agency
Department of Homeland Security
Obligations by fiscal year
| Fiscal year | Obligations |
|---|---|
| FY2026 | $48.4M |
| FY2025 | $19.5M |
| FY2024 | $2.6M |
| FY2023 | $3.8M |
| FY2022 | $3.1M |
| FY2021 | $8.1M |
Agencies, NAICS, and PSC codes
| Agency | Obligations | Share |
|---|---|---|
| Department of Homeland Security | $68.4M | 80% |
| Department of Defense | $15.6M | 18.2% |
| Department of the Interior | $1.3M | 1.6% |
| Department of State | $140K | 0.2% |
| Department of Transportation | $83K | 0.1% |
| NAICS code | Obligations | Share |
|---|---|---|
| 541620 — Environmental Consulting Services | $71.1M | 83.1% |
| 541690 — Other Scientific and Technical Consulting Services | $14.3M | 16.7% |
| 115310 — Support Activities for Forestry | $160K | 0.2% |
| 562910 — Remediation Services | $5K | 0% |
| 541330 — Engineering Services | $0 | 0% |
| PSC code | Obligations | Share |
|---|---|---|
| F999 — Other Environmental Services | $38.4M | 44.9% |
| B510 — Special Studies/analysis- Environmental Assessments | $36.5M | 42.7% |
| F110 — Environ Sys Protect- Development of Environ Impact Stmts/assessments, Tech Analysis/environ Audits | $5.5M | 6.4% |
| B503 — Special Studies/analysis- Archeological/paleontological | $1.7M | 2% |
| B599 — Special Studies/analysis- Other | $1.4M | 1.7% |
Contract type and set-aside mix
| Contract pricing type | Obligations | Share |
|---|---|---|
| Firm Fixed Price | $85.5M | 100% |
| Set-aside type | Obligations | Share |
|---|---|---|
| Not Specified | $81.2M | 94.9% |
| No Set Aside Used. | $2.6M | 3.1% |
| Small Business Set Aside - Total | $1.5M | 1.7% |
| Women Owned Small Business | $125K | 0.1% |
| Economically Disadvantaged Women Owned Small Business | $123K | 0.1% |
Place of performance by state
| State | Obligations | Share |
|---|---|---|
| LA | $42.8M | 50.1% |
| TX | $26.1M | 30.5% |
| CA | $13.8M | 16.1% |
| DC | $1.1M | 1.3% |
| AZ | $899K | 1.1% |
| MA | $330K | 0.4% |
| ND | $167K | 0.2% |
| OK | $164K | 0.2% |
| TN | $123K | 0.1% |
| MO | $110K | 0.1% |
Largest contract actions on file
| Award | Agency | Period of performance | Obligation | Record |
|---|---|---|---|---|
| 70B01C26F00000215 · NAICS 541620 | Department of Homeland Security | March 3, 2026 – March 2, 2028 | $9.6M | View on USAspending |
| 70B01C26F00000237 · NAICS 541620 | Department of Homeland Security | March 10, 2026 – March 30, 2028 | $8.1M | View on USAspending |
| 70B01C26F00000530 · NAICS 541620 | Department of Homeland Security | July 9, 2026 – December 30, 2027 | $7.8M | View on USAspending |
| 70B01C26F00000228 · NAICS 541620 | Department of Homeland Security | March 9, 2026 – March 30, 2028 | $5.5M | View on USAspending |
| 70B01C26F00000531 · NAICS 541620 | Department of Homeland Security | July 17, 2026 – December 30, 2027 | $4.4M | View on USAspending |
| 70B01C26F00000483 · NAICS 541620 | Department of Homeland Security | June 30, 2026 – December 30, 2027 | $4.4M | View on USAspending |
| 70B01C26F00000477 · NAICS 541620 | Department of Homeland Security | June 30, 2026 – June 29, 2027 | $3.3M | View on USAspending |
| 70B01C25F00001295 · NAICS 541620 | Department of Homeland Security | September 28, 2025 – December 30, 2027 | $2.7M | View on USAspending |
| 70B01C25F00001303 · NAICS 541620 | Department of Homeland Security | September 28, 2025 – June 30, 2028 | $2.6M | View on USAspending |
| 70B01C25F00001299 · NAICS 541620 | Department of Homeland Security | September 28, 2025 – December 30, 2027 | $2.5M | View on USAspending |
Parent company
Gulf South Research CORP (UEI YD7VBLKYG155)
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What the numbers show
2% of obligations on file ($1.7M) used a small-business set-aside; the rest carried no set-aside or an unspecified type.
Obligations increased from $19.5M in FY2025 to $48.4M in FY2026, the last closed fiscal year.
Source: USAspending.gov, U.S. Department of the Treasury. Contract transactions FY2021–FY2026, downloaded 2026-10-21. Figures are net obligations and can include de-obligations. Department of Defense data is published with a 90-day delay. View this contractor's largest contract on USAspending.gov.
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