PSC C221 Architect and Engineering—General: Plumbing Systems

Services
Federal Category 4.2: Facilities & Construction Construction Related Services

Possible NAICS Codes
541330 – Engineering Services
541310 – Architectural Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
332913 – Plumbing Fixture Fitting and Trim Manufacturing
423720 – Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
237110 – Water and Sewer Line and Related Structures Construction
326191 – Plastics Plumbing Fixture Manufacturing