HALFF ASSOCIATES INC

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

organization

Active: 2007–2026

Also known as: HALFF ASSOCIATES INC, HALFF ASSOCIATES, INC.

Contract Awards

$62.9M

90 awards

Summary

HALFF ASSOCIATES INC is an organization. Its political footprint includes $62.9 million in government contracts. Their largest government contract source is Department of Defense at $57.9 million. Political activity spans from 2007 to 2026.

Cross-Source Financial Activity

These are different money flows and are not added together: contributions and lobbying expenses flow out, while contract awards flow to the organization.

Contract awards $62.9M

Political Money Flow

How Money Flows

Government agencies → HALFF ASSOCIATES INC (contracts) → political recipients & lobbying. Hover for details.

Contracts by Agency

5 agencies

#	Agency	Total Awarded	Awards
1	Department of Defense	$57.9M	64
2	Department of Homeland Security	$3.1M	18
3	Department of Justice	$1.8M	6
4	Department of Health and Human Services	$75	1
5	General Services Administration	$0	1

Individual Awards

83 awards (top by amount)

Date	Agency	Description	Amount	NAICS
2025-03-26	Department of Defense	PERIOD OF PERFORMANCE EXTENSION.	$11.2M	ENGINEERING SERVICES
2026-02-27	Department of Defense	SANDOVAL MODIFICATION TO EXTEND ORDERING PERIOD 1 POP	$7.8M	ENGINEERING SERVICES
2024-09-11	Department of Defense	BASE REALIGNMENT AND CLOSURE (BRAC) PROPERTY REMEDIAL INVESTIGATION OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT FORMER FORT CHAFFEE, ARKANSAS.	$7.0M	ENGINEERING SERVICES
2024-09-12	Department of Defense	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	ENGINEERING SERVICES
2024-09-11	Department of Defense	BRAC PROPERTY REMEDIAL INVESTIGATION OF PER-AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT RED RIVER ARMY DEPOT (RRAD), TEXARKANA, TEXAS	$6.1M	ENGINEERING SERVICES
2025-09-09	Department of Defense	PHASE I REMEDIAL INVESTIGATION OF PER-AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT JBSA LACKLAND. MOD P00002 - EXTEND TASK ORDER POP.	$4.1M	ENGINEERING SERVICES
2025-09-05	Department of Defense	POP EXTENSION	$3.7M	ENGINEERING SERVICES
2008-03-27	Department of Homeland Security	PRODUCTION PHASE FOR AUSTIN, BOSQUE, BURLESON, CALDWELL, COLORADO, DEWITT, ERATH, FANNIN, GONZALES, HILL, HOPKINS, LAVACA, MONTAGUE, TITUS, UPSHUR, VAN ZANDT, WASHINGTON, WISE, AND WOOD COUNTIES, TEXAS.	$3.2M	ENGINEERING SERVICES
2024-08-30	Department of Defense	ARCHITECT-ENGINEER, HIGH EXPLOSIVES DEMOLITION GROUND CLOSURE DESIGN AT LONE STAR ARMY AMMUNITIONS PLANT, TEXAS.	$2.8M	ENGINEERING SERVICES
2008-09-24	Department of Defense	FARMERS BRANCH FLOOD REDUCTION STUDY	$851K	ENGINEERING SERVICES
2025-07-21	Department of Defense	FORT BLISS 9400 BLOCK H-BARRACKS AE SERVICES FOR DESIGN AND CODE REVIEW/UPDATE	$766K	ENGINEERING SERVICES
2025-03-05	Department of Justice	EXPERT FOR IN RE: ADDICKS AND BARKER (TEXAS) FLOOD-CONTROL RESERVOIRS V. U.S.	$728K	ENGINEERING SERVICES
2025-06-18	Department of Justice	EXPERT WITNESS	$500K	ALL OTHER LEGAL SERVICES
2024-04-05	Department of Justice	EXPERT WITNESS	$493K	ALL OTHER LEGAL SERVICES
2023-01-31	Department of Defense	CHOCTAW CHICKASAW 2021 PLANNING ASSISTANCE - EXTEND THE PERIOD OF PERFORMANCE.	$437K	ENGINEERING SERVICES
2021-04-19	Department of Defense	CHOCTAW/CHICASAW WATER STUDY	$364K	ENGINEERING SERVICES
2010-09-29	Department of Defense	TASK ORDER -A/E TO DEVELOP DESIGN DOCUMENTATION REPORTS FOR RIVERSIDE PARK AND ROCKWOOD PARK WEST, TEXAS.	$287K	ENGINEERING SERVICES
2009-12-18	Department of Defense	REGIONAL SEDIMENT MGMT PLAN, PROBLEM IDENTIFICATION & QUANTIFICATION (PHASE I),NUECES RIVER BASIN, TEXAS	$210K	ENGINEERING SERVICES
2008-09-23	Department of Defense	AQUATIC ECOSYSTEM RESTORATION PROJECT,	$203K	ENGINEERING SERVICES
2008-08-19	Department of Defense	BASE PERIOD	$192K	ENGINEERING SERVICES
2009-03-31	Department of Defense	BLUE MOUNTAIN LAKE FORECAST MODEL	$168K	ENGINEERING SERVICES
2009-09-30	Department of Defense	TAS::96 3135::TAS RECOVERY DIERKS LAKE FORECAST MODEL	$163K	ENGINEERING SERVICES
2009-08-20	Department of Defense	TAS::96 3135::TAS DEQUEEN CWMS MODEL PROVIDE DEQUEEN LAKE FORECAST MODEL	$161K	ENGINEERING SERVICES
2010-09-20	Department of Defense	NUECES RIVER BASIN PHASE II	$161K	ENGINEERING SERVICES
2022-06-15	Department of Defense	BEAVER WATER CONTROL MANUAL - POP EXTENDED	$145K	ENGINEERING SERVICES

1–25 of 83

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Activity data: USAspending.gov

HALFF ASSOCIATES INC — Contributions, Lobbying & Contracts | Poliscope