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Federal contractor profile

HALFF ASSOCIATES INC

Doing business as HALFF ASSOCIATES, INC

UEI KH6SYRKBL3Z7 · CAGE 0PPK4

SAM.gov: Active

SAM.gov registration

Legal name
HALFF ASSOCIATES INC
DBA HALFF ASSOCIATES, INC
UEI
KH6SYRKBL3Z7
CAGE code
0PPK4
Registration status
Active
Expiration date Dec 19, 2026 — expires in 54 days
Physical location
Not listed
Registered state: TX
Certifications / set-aside eligibility
None listed in SAM.gov
SDVOSB, WOSB, 8(a), HUBZone as listed in the SAM.gov registration

NAICS codes in the registration

  • 541320Landscape Architectural Services
  • 541330Engineering Services
  • 541370Surveying and Mapping (except Geophysical) Services
  • 541620Environmental Consulting Services
  • 541690Other Scientific and Technical Consulting Services

Federal contract awards

Federal award obligations, all years on record
$22K

2 awards from 2 agencies; most recent award starting Jun 9, 2021.

New awards started, FY2024–FY2026
$0
0 awards that began in those fiscal years. Spending on contracts that started earlier isn't included.
FY2024$00 awards
FY2025$00 awards
FY2026$00 awards
Top agencies for new awards, FY2024–FY2026

No awards starting in FY2024–FY2026.

Active contracts
0
awards with a period of performance ending after today

Obligations are the total obligated amount on each prime award, attributed to the fiscal year the award started (USAspending.gov).

Federal contracting history, FY2015–FY2024

Prime contract obligations made in each fiscal year, across all of this registration's awards.

  1. FY2015$39K1 award · mostly Department of Defense
  2. FY2016-$21K4 awards · mostly Department of Homeland Security
  3. FY2017$05 awards · mostly Department of Homeland Security
  4. FY2019$684K5 awards · mostly Department of Defense
  5. FY2020$01 award · mostly Department of Defense
  6. FY2021$553K4 awards · mostly Department of Defense
  7. FY2022$86K3 awards · mostly Department of Defense
  8. FY2023$493K2 awards · mostly Department of Justice
  9. FY2024$01 award · mostly Department of Justice

From USAspending.gov prime award transactions, by the fiscal year of each obligation, net of deobligations (a multi-year contract appears in every year it was funded). Later years are in the section above.

Exclusion screening

No active exclusions linked to this UEI on SAM.gov or OIG LEIE as of Oct 11, 2026

Only exclusion records linked to this registration by identifier (UEI, or NPI for health-care organizations) are shown. Records that merely share a similar name are not. Confirm current status on SAM.gov before relying on it.

Corporate family

HALFF ASSOCIATES INC is one of 4 registrations under HALFF ASSOCIATES, INC. (USAspending.gov parent). Other registrations:

Similar contractors in NAICS 541199

Active registrations under NAICS 541199 with a similar federal award history.

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Sources: SAM.gov Entity Registration (as of Oct 19, 2026) · USAspending.gov (as of Oct 26, 2026) · SAM.gov Exclusions and OIG LEIE (as of Oct 11, 2026). Page compiled Oct 26, 2026 from public federal records. GovFabric is not affiliated with SAM.gov or any federal agency.