Federal Contractor Profile
Halff Associates, INC.
Federal contracting record: $53M obligated across 39 awards from 3 agencies, FY 2016–2026.
$53M
Total Obligated
39
Award Records
3
Agencies Served
2
NAICS Codes
Company Profile
Parent UEI (Unique Entity Identifier)
PM6KMNBLWEY6
CAGE Code
6L0V1
Registered Entities (UEIs)
4 under this organization
Address
100 INTERSTATE 45 N, CONROE, TX, 773012890
First Federal Award
Mar 18, 2016
Most Recent Award
May 15, 2026
Federal Sales Analytics
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Top Federal Agencies
- Department of Defense$52M
96.6% of total obligations
- Department of Justice$1.8M
3.4% of total obligations
- Department of Homeland Security-$21K
-0.0% of total obligations
Recent Federal Awards
| Date | Agency | NAICS | Description | Amount |
|---|---|---|---|---|
| May 15, 2026 | Department of DefenseW076 ENDIST TULSA | 541330 | PHASE I REMEDIAL INVESTIGATION OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT JBSA LACKLAND | $79K |
| Aug 26, 2025 | Department of DefenseW2SR ENDIST CARIBBEAN(PROVIS) | 541330 | RPN MOT CNT 4 AND 5B | $27K |
| Jul 29, 2025 | Department of DefenseW2SD ENDIST PHILADELPHIA | 541330 | ND BRIDGE UTILITIES RELOCATION AND ELECTRICAL DESIGN | $141K |
| Jul 21, 2025 | Department of DefenseW076 ENDIST FT WORTH | 541330 | DOR CODE REVIEW/UPDATE, 9400 H BARRACKS | $248K |
| Jun 11, 2025 | Department of DefenseW074 ENDIST JACKSNVLLE | 541330 | S-355W SPILLWAY, CEPP SOUTH, CNT 3B | $117K |
| Feb 18, 2025 | Department of JusticeENVIRONMENT NATURAL RESOURCES DIV | 541199 | EXPERT WITNESS | $250K |
| Nov 7, 2024 | Department of DefenseW074 ENDIST JACKSNVLLE | 541330 | DLA B163/164 ROOF DRAIN REPLACEMENT | $76K |
| Sep 18, 2024 | Department of JusticeENVIRONMENT NATURAL RESOURCES DIV | 541199 | EXPERT WITNESS | $250K |
| Sep 12, 2024 | Department of DefenseW076 ENDIST TULSA | 541330 | BASE REALIGNMENT AND CLOSURE (BRAC) PROPERTY REMEDIAL INVESTIGATION OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT LONE STAR ARMY AMMUNITION PLANT (LSAAP), BOWIE COUNTY, TEXAS | $6.7M |
| Sep 11, 2024 | Department of DefenseW076 ENDIST TULSA | 541330 | BRAC PROPERTY REMEDIAL INVESTIGATION OF PER-AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT RED RIVER ARMY DEPOT (RRAD), TEXARKANA, TEXAS | $6.1M |
| Sep 11, 2024 | Department of DefenseW076 ENDIST TULSA | 541330 | BASE REALIGNMENT AND CLOSURE (BRAC) PROPERTY REMEDIAL INVESTIGATION OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT FORMER FORT CHAFFEE, ARKANSAS. | $7.0M |
| Aug 30, 2024 | Department of DefenseW076 ENDIST TULSA | 541330 | ARCHITECT-ENGINEER, HIGH EXPLOSIVES DEMOLITION GROUND CLOSURE DESIGN AT LONE STAR ARMY AMMUNITIONS PLANT, TEXAS. | $2.8M |
| Aug 22, 2024 | Department of DefenseW07V ENDIST ST LOUIS | 541330 | SANDOVAL ZINC REMEDIAL DESIGN | $7.8M |
| Jul 1, 2024 | Department of DefenseW076 ENDIST FT WORTH | 541330 | DOR CODE REVIEW/UPDATE, 9400 H BARRACKS | $518K |
| Sep 21, 2023 | Department of DefenseW076 ENDIST TULSA | 541330 | PHASE I REMEDIAL INVESTIGATIONS OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT TINKER AFB AND ALTUS AFB | $783K |
| Aug 3, 2023 | Department of DefenseW076 ENDIST TULSA | 541330 | AFFECTED PROPERTY ASSESSMENT REPORT OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT LAUGHLIN AFB. | $24K |
| Jun 23, 2023 | Department of JusticeENVIRONMENT NATURAL RESOURCES DIV | 541199 | EXPERT WITNESS | $493K |
| Sep 24, 2022 | Department of DefenseW076 ENDIST TULSA | 541330 | PHASE I REMEDIAL INVESTIGATION OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT JBSA LACKLAND | $6.2M |
| Sep 14, 2022 | Department of DefenseW076 ENDIST TULSA | 541330 | AFFECTED PROPERTY ASSESSMENT REPORT OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT LAUGHLIN AFB. | $3.7M |
| Sep 12, 2022 | Department of DefenseW076 ENDIST TULSA | 541330 | PHASE I REMEDIAL INVESTIGATIONS OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT TINKER AFB AND ALTUS AFB | $10M |
| Nov 30, 2021 | Department of DefenseW076 ENDIST LITTLE ROCK | 541330 | BEAVER IRRM OUTREACH STUDY | $86K |
| Jul 14, 2021 | Department of DefenseW076 ENDIST TULSA | 541330 | CHOCTAW AND CHICKASAW NATIONS PLANNING ASSISTANCE TO STATES AND TRIBES 2021 | $437K |
| Jun 9, 2021 | Department of JusticeENVIRONMENT NATURAL RESOURCES DIV | 541199 | EXPERT WITNESS | $160K |
| Sep 27, 2019 | Department of DefenseW076 ENDIST TULSA | 541330 | CHOCTAW/CHICASAW WATER STUDY | $2 |
| Sep 26, 2019 | Department of DefenseW076 ENDIST TULSA | 541330 | CHOCTAW/CHICASAW WATER STUDY | $408K |
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