Halff Associates, Inc.
The Woodlands, TX Part of Halff Associates, Inc.
- UEI
- CKMGPLMG3HQ4
- CAGE
- 6L0V1
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- Corporate family
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Halff Associates, Inc.
Parent
PM6KMNBLWEY6
- Halff Associates, Inc. CKMGPLMG3HQ4
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Halff Associates, Inc.
Parent
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 .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Expert witness | Environment and Natural Resources Division | $500,000 | |
| Expert witness | Environment and Natural Resources Division | $7,420 | |
| Expert for in RE: addicks and barker (texas) flood-control reservoirs v. U.s. | Environment and Natural Resources Division | $727,579 | |
| Expert witness - technology/civil engineering - engineering - | Environment and Natural Resources Division | $89,400 |
About Halff Associates, Inc.
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
What is Halff Associates, Inc.'s UEI?
Halff Associates, Inc.'s Unique Entity ID (UEI) in SAM.gov is CKMGPLMG3HQ4.
What is Halff Associates, Inc.'s CAGE code?
Halff Associates, Inc.'s CAGE code is 6L0V1.
What is Halff Associates, Inc.'s primary NAICS code?
Halff Associates, Inc.'s primary NAICS code is 541330 (Engineering Services).
Where is Halff Associates, Inc. located?
Halff Associates, Inc.'s physical address in SAM.gov is 9303 New Trails Dr #400, The Woodlands, TX 77381, USA.
Is Halff Associates, Inc. registered in SAM.gov?
Yes. Halff Associates, Inc.'s SAM.gov registration is active through August 20, 2027.
Who is Halff Associates, Inc.'s parent company?
Halff Associates, Inc. is part of Halff Associates, Inc.
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, 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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