State + NAICS + PSC page
NAICS 561421 and PSC B540 contractors in Washington
Telephone Answering Services. SPECIAL STUDIES/ANALYSIS- BUILDING TECHNOLOGY. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Washington.
Washington · NAICS 561421 · PSC B540
Last updated: April 3, 2026
Visible recipients
1
Mapped obligations
$9,656,026
Buyer overlap
3
Top recipients
