Halff Associates, Inc.
The Woodlands, TX
- UEI
- CKMGPLMG3HQ4
- CAGE
- 6L0V1
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
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Its parent company, Halff Associates, Inc., ranks:
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- Corporate family
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-
Parent
Richardson, TX
PM6KMNBLWEY6
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Parent
Richardson, TX
PM6KMNBLWEY6
- SAM.gov registration date
- Physical address
- 9303 New Trails Dr #400, The Woodlands, TX 77381, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $0 |
| FY2025 | -$1,602,380 |
| FY2024 | $250,000 |
Contract awards
Grant subawards
| Prime recipient | Prime award | Amount | Awarded |
|---|---|---|---|
| Not on record | SLFRP0225 | $169,660 | |
| Not on record | SLFRP0225 | $253,863 |
Similar vendors
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|---|---|---|
| AECOM | Dallas, TX | 541330 Engineering Services |
| Waste Engineering | Denver, CO | 541330 Engineering Services |
| Foth Infrastructure & Environment, LLC | De Pere, WI | 541330 Engineering Services |
| JRP Historical Consulting, LLC | Davis, CA | 541620 Environmental Consulting Services |
| Langan Engineering & Environmental Services, LLC | Parsippany-Troy Hills, NJ | 541330 Engineering Services |
About the company
Halff Associates, Inc., a for-profit engineering and architectural consulting firm based in The Woodlands and Richardson, Texas, delivers expert witness services, environmental remediation, and infrastructure assessment to the Department of Justice as a prime contractor (67% of recent awards) and as a subcontractor on federal grant programs. The firm operates without SBA set-aside designations and competes full-and-open across its federal footprint.
Halff's federal customer base is highly concentrated in a single agency. The Department of Justice's Environment and Natural Resources Division accounts for all disclosed customer activity—four awards totaling $3 million in combined potential value, with $1.7 million obligated to date (59% of potential value). The firm's capability portfolio centers on expert witness services, environmental site remediation, culvert and stormwater drainage remediation, and architectural and infrastructure assessment. A representative prime example is a $500,000 time-and-materials purchase order awarded September 2024 by DOJ's Environment and Natural Resources Division for expert witness services, with ultimate completion scheduled for February 2029. As a subcontractor on federal grant awards, Halff has delivered remediation work for the Village of Decker Oaks' culvert, slope, and stormwater drainage repairs (sub awards dated February 2024 and September 2024). The firm also holds a history of delivery order work with the U.S. Army Corps of Engineers and the Department of the Air Force Materiel Command for remedial investigations at multiple Air Force bases.
Activity in the source data spans 2016 through 2024, with recent concentration: one award in 2016, one in 2018, one in 2019, and three awards in 2024. The source does not disclose recompete or major subcontract relationships.
Quick answers
Is Halff Associates, Inc. registered in SAM.gov?
Yes. Halff Associates, Inc.'s SAM.gov registration is active through August 20, 2027.
How does Halff Associates, Inc. rank among federal contractors?
Halff Associates, Inc.'s parent company, Halff Associates, Inc., ranked #19 in PSC C222 and #75 in PSC C1AZ in FY2025.
What is Halff Associates, Inc.'s most recent federal award?
Halff Associates, Inc.'s most recent federal contract award is Expert witness (15JENR24P00000375), from Environment and Natural Resources Division (OBD), on September 18, 2024.
On GovTribe
See Halff Associates, Inc.'s full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
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