Description
Modification of Equipment: Water Purification and Sewage Treatment Equipment

Possible NAICS Codes
326122 – Plastics Pipe and Pipe Fitting Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
541330 – Engineering Services
221310 – Water Supply and Irrigation Systems
221320 – Sewage Treatment Facilities
236220 – Commercial and Institutional Building Construction
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
562219 – Other Nonhazardous Waste Treatment and Disposal