Department of the Interior NAICS 238990 and PSC C1AA contractors

All Other Specialty Trade Contractors. ARCHITECT AND ENGINEERING- CONSTRUCTION: OFFICE BUILDINGS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 238990 · PSC C1AA

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$36,013,462

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 238990 and PSC C1AA

Christman Company, The

Lansing, MI

Christman Company, The is a federal category business profile based in Lansing, MI. The current public data layer shows $3,229,863 in visible federal obligations across 14 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2AA.

$36,013,462