AwardRegistryAwardRegistry
How It WorksBrowseData TrustMethodology
Search
Search
Home/NAICS 541620/PSC R424

NAICS + PSC page

NAICS 541620 and PSC R424 contractors

Environmental Consulting Services. SUPPORT- PROFESSIONAL: EXPERT WITNESS. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541620 + PSC R424
Last updated: April 7, 2026

Visible recipients

2

Mapped obligations

$3,747,049

State overlap

0

Top recipients

Visible recipients in the NAICS 541620 and PSC R424 overlap

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

Integral Consulting Inc.

Boulder, CO

Integral Consulting Inc. is a federal category business profile based in Boulder, CO. The current public data layer shows $218,454 in visible federal obligations across 9 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541620 (Environmental Consulting Services). The profile also shows meaningful product and service activity in PSC F105.

$1,907,467

Next paths

Continue exploring

Back to NAICS 541620

Return to the broader NAICS page and branch into other PSC or state paths.

Open PSC R424

View the national PSC page outside the current NAICS filter.

AwardRegistry

Independent public data product for federal contractor and award recipient lookup. Not affiliated with or endorsed by the U.S. government.

RecipientsAgenciesNAICSPSCStatesTop ListsSearchAboutAbout DataMethodologyContactPrivacyTermsCookies

Built for public federal spending research, market mapping, and entity lookup.

Last updated pages show source freshness in U.S. date format.