United States · Federal contract register · Supplier record

GULF SOUTH RESEARCH CORP

Line: Environmental assessments (B510)Register loaded to September 2026Compiled 6 October 2026

GULF SOUTH RESEARCH CORP — United States · Federal contract register · Supplier record: 774 contracts, all years ($217,674,423 · Apr 2002 – Sep 2026); $71.4M since January 2024 (50 contracts · 4 agencies); 2nd rank in the line (of 336 suppliers · 7.97%); 13 agencies never served ($104M on the line without GULF SOUTH RESEARCH CORP).

Assay record ASY-US-0PHO2V50YA · Cite as: Assay Systems, “GULF SOUTH RESEARCH CORP in the USAspending register”, https://assay-systems.com/register/us/gulf-south-research-corp/

774
contracts, all years
$217,674,423 · Apr 2002 – Sep 2026
$71.4M
since January 2024
50 contracts · 4 agencies
2nd
rank in the line
of 336 suppliers · 7.97%
13
agencies never served
$104M on the line without GULF SOUTH RESEARCH CORP

Own record by year

2019 onward
$12.2M
$7.5M
$8.0M
$2.8M
$5.9M
$4.4M
$21.0M
$45.9M
20192020202120222023202420252026

Who buys from GULF SOUTH RESEARCH CORP

since January 2024
4agencies
$71.4Mpaid
90.1%top buyer
Department of Homeland Security90.1%
$64,303,902
Department of Defense9.1%
$6,507,265
Department of the Interior0.7%
$494,176
Department of Transportation0.1%
$82,903

Before 2024 only: Department of Agriculture, Department of Labor, Department of State, General Services Administration.

The line

since January 2024
$371Mline value
767contracts
20agencies
336suppliers
51.9%held by top ten

Environmental assessments (B510)

$147M
$113M
$111M
202420252026Jan–Sep
2ndof 336 suppliers
$29,525,987GULF SOUTH RESEARCH CORP in the line
7.97%share of the line
23.2%of $125,483,965 spent by Department of Homeland Security
0.4%of $72,045,241 spent by Department of Defense
0.0%of $52,960,701 spent by Department of the Interior

Agencies that buy the line and never bought from GULF SOUTH RESEARCH CORP

13agencies
181contracts
$103,991,952since January 2024
Environmental Protection Agency69 contracts
$46,459,080
Department of Commerce22 contracts
$22,509,688
Department of Energy10 contracts
$17,658,871
Department of Health and Human Services31 contracts
$8,038,762
Department of Veterans Affairs19 contracts
$5,633,332
Department of Justice13 contracts
$2,742,774
Nuclear Regulatory Commission1 contract
$275,000
Executive Office of the President1 contract
$224,987
National Aeronautics and Space Administration1 contract
$190,783
Department of Housing and Urban Development5 contracts
$152,942
Smithsonian Institution2 contracts
$48,715
National Archives and Records Administration6 contracts
$40,350
National Gallery of Art1 contract
$16,667

How the line is bought

by value, since 2024
9%no competition
13%one applicant
0of these to GULF SOUTH RESEARCH CORP
Competed, several suppliers applied541 contracts
$286,503,908 · 77.3%
Competed, one supplier applied99 contracts
$49,113,801 · 13.3%
Awarded directly, no competition127 contracts
$35,017,794 · 9.4%

Contracts reaching their end dates

Oct 2026 – October 2027
192contracts
$106,265,084end by October 2027
41end in September 2027 · $28.1M
50in agencies never served · $51.9M
$1.6M
$2.3M
$6.6M
$5.5M
$1.8M
$22.6M
$2.8M
$8.1M
$11.7M
$7.1M
$7.6M
$28.1M
$475K
Oct 2610 contractsNov 2615 contractsDec 2621 contractsJan 2712 contractsFeb 2710 contractsMar 2723 contractsApr 279 contractsMay 278 contractsJun 2721 contractsJul 277 contractsAug 2714 contractsSep 2741 contractsOct 271 contract

Suppliers next to it in the line

since January 2024
VERNADERO GROUP INC11 contracts · 3 agencies
$36,251,723
GULF SOUTH RESEARCH CORP
$29,525,987
DAWSON SOLUTIONS, INC.8 contracts · 2 agencies
$24,989,070
HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC.5 contracts · 1 agency
$24,309,410

All 336 suppliers in the line

Fastest-growing supplier in the line

same line
+523%growth

Supplier UEI MLEMMZU3MTX3

2024 to date
$24,989,070
2022–2023
$4,012,345

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.