Possible NAICS Codes
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
561320 – Temporary Help Services
221310 – Water Supply and Irrigation Systems
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
541519 – Other Computer Related Services
562991 – Septic Tank and Related Services
811210 – Electronic and Precision Equipment Repair and Maintenance