Department of Transportation PSC R424 contractors

SUPPORT- PROFESSIONAL: EXPERT WITNESS. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of Transportation.

Agency: Department of Transportation

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$1,839,582

Visible recipients tied to Department of Transportation and PSC R424

Halff Associates, Inc.

Richardson, TX

Halff Associates, Inc. is a federal category business profile based in Richardson, TX. The current public data layer shows $247,820 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C1JZ.

$1,839,582