Contractor directory
UEI NH3HNLDKWHK1 · CAGE 09RN7

Gulf South Research Corp

Gulf South Research Corp received $48.4M in federal prime contract obligations in the 12 months ending Oct 5, 2026, up 147.5% from $19.5M the year before, and $77.4M since FY2022. Its largest customer is the Department of Homeland Security.

See 6 contracts ending in the next 18 months ↓
Obligations, latest 12 months
$48.4M
up 147.5% vs. $19.5M
Since FY2022
$77.4M
121 awards
Awards with activity
32
Latest 12 months
Most recent action
Sep 25, 2026
First seen Oct 6, 2021

Contractor details

Unique Entity ID (UEI)
NH3HNLDKWHK1
CAGE code
09RN7
Headquarters
Baton Rouge, LA
Business size
Small Business
Socioeconomic status
WOSB, EDWOSB
Parent company
Gulf South Research Corp (UEI YD7VBLKYG155)

As recorded on this UEI's most recent prime contract action in USAspending.gov. Confirm current registration and certifications in SAM.gov.

Obligations by fiscal year

Net prime contract obligations by federal fiscal year.

FY2022
$3.1M
FY2023
$3.8M
FY2024
$2.6M
FY2025
$19.5M
FY2026
$48.4M

Markets where it ranks top 10

Agency and NAICS markets where this UEI is one of the ten largest primes in the latest 12 months.

Top agencies

Funding agencies ranked by obligations since FY2022.

Funding agencyLatest 12 moSince FY2022
Department of Homeland Security$47.5M$64.2M
Department of Defense$823K$11.2M
Department of the Interior$31K$1.3M
Corps of Engineers - Civil Works$0$514K
Department of Transportation−$36K$83K
Department of State$0$39K

Top NAICS codes

Industry codes agencies recorded on this contractor's awards, since FY2022.

NAICSIndustryLatest 12 moSince FY2022
541620Environmental Consulting Services$47.6M$66.8M
541690Other Scientific and Technical Consulting Services$752K$10.4M
115310Support Activities for Forestry$0$160K

What it sells

Product and service codes (PSC) on this contractor's awards, since FY2022.

PSCDescriptionSince FY2022
F999Other Environmental Services$34.9M
B510Special Studies/Analysis- Environmental Assessments$32.3M
F110Environ SYS Protect- Development of Environ Impact Stmts/Assessments, Tech Analysis/Environ Audits$5.5M
B503Special Studies/Analysis- Archeological/Paleontological$1.7M
B599Special Studies/Analysis- Other$1.4M
F105Environmental Systems Protection- Pesticides Support$947K

Contracts ending in the next 18 months

This contractor's largest awards whose current period of performance ends soon. Options and extensions often move these dates.

AwardAgencyObligatedCurrent end
70B01C25F00001303
Department of Homeland Security
CONSTRUCTION MONITORING
$4.5MJun 30, 2027
70B01C26F00000530
Department of Homeland Security
TASK ORDER FOR NATURAL AND CULTURAL RESOURCE MONITORING AT BORDER WALL CONSTRUCTION SEGMENT IN EL PASO SECTOR (EPT-5)
$7.8MDec 30, 2027
70B01C26F00000531
Department of Homeland Security
TASK ORDER FOR RESOURCE MONITORING AT BORDER WALL CONSTRUCTION SEGMENT IN RIO GRANDE VALLEY (RGV) SECTOR RGV-3.
$4.4MDec 30, 2027
70B01C26F00000215
Department of Homeland Security
CULTURAL AND NATURAL RESOURCES MONITORING FOR BORDER WALL CONSTRUCTION SEGMENTS IN LAREDO SECTOR, LRT-1 AND LRT-2.
$9.7MMar 8, 2028
70B01C26F00000237
Department of Homeland Security
CONSTRUCTION MONITORING SERVICES SW BORDER
$8.1MMar 30, 2028
70B01C26F00000228
Department of Homeland Security
YUM-2 WELLTON CONSTRUCTION AND ENVIRONMENTAL MONITORING SERVICES
$5.5MMar 30, 2028

Recent awards

This contractor's newest prime contract awards, most recent first.

AwardAgencyObligatedAwarded
70B01C26F00001233
Department of Homeland Security
CBP TACTICAL INFRASTRUCTURE (TI) CARRIZO CANE VEGETATION MANAGEMENT ACTIVITIES INCLUDING ROADS AND BRIDGES FENCE AND GATES (INCLUDING CONCERTINA WIRE) VEGETATION CONTROL (MANUAL,…
$797KSep 25, 2026
140FS226F0153
Department of the Interior
WI-NECEDAH NWR-HISTORIC CONTEXT AND NRHP EVALUATION
$26KSep 24, 2026
70B01C26P00000443
Department of Homeland Security
CBP TACTICAL INFRASTRUCTURE ASSETS WHICH INCLUDE THE FOLLOWING CATEGORIES: ROADS AND BRIDGES FENCE AND GATES INCLUDING VEGETATION CONTROL DEBRIS REMOVAL BORDER LIGHTING AND…
$639KSep 23, 2026
70B01C26P00000486
Department of Homeland Security
PROCURE BIOLOGICAL, CULTURAL, ARCHEOLOGICAL, AND ENVIRONMENTAL PLANNING TECHNICAL EXPERTISE REQUIRED FOR DEVELOPING AND IMPLEMENTING CONSTRUCTION, ENGINEERING, AND SUSTAINMENT…
$450KSep 23, 2026
70B01C26F00000531
Department of Homeland Security
TASK ORDER FOR RESOURCE MONITORING AT BORDER WALL CONSTRUCTION SEGMENT IN RIO GRANDE VALLEY (RGV) SECTOR RGV-3.
$4.4MJul 17, 2026
70B01C26F00000530
Department of Homeland Security
TASK ORDER FOR NATURAL AND CULTURAL RESOURCE MONITORING AT BORDER WALL CONSTRUCTION SEGMENT IN EL PASO SECTOR (EPT-5)
$7.8MJul 9, 2026
70B01C26F00000483
Department of Homeland Security
CONSTRUCTION MONITORING
$4.4MJun 30, 2026
70B01C26F00000477
Department of Homeland Security
TASK ORDER FOR RESOURCE MONITORING SUPPORT FOR CONSTRUCTION OF WATERBORNE BARRIER AT RIO GRANDE VALLEY (RGV) WALL SEGMENT RGV-2.
$3.3MJun 30, 2026

Prime contracts (award types A–D) from USAspending.gov through Oct 5, 2026. Subcontracts are not included. Net obligations include deobligations and corrections.

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