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Department of the Interior NAICS 221310 and PSC B510 contractors
Water Supply and Irrigation Systems. SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS. 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 221310 · PSC B510
Last updated: April 7, 2026
Visible recipients
1
Mapped obligations
$752,446
State overlap
1
Top recipients
