NIGP
90930 - Building Construction, Industrial
91468 - Industrial Buildings
90924 - Building Construction, Commercial and Institutional
90910 - Building, Commercial and Institutional
90910 - Building, Commercial and Institutional
90916 - Building, Educational
91356 - Construction, Utility and Underground Projects
91360 - Water Systems, Main and Service Line
91313 - Construction, Highway and Roads
91347 - Highway and Street Maintenance
91430 - Concrete
91054 - Concrete Repair
91438 - Electrical
91082 - Wiring
91450 - Heating, Ventilation and Air Conditioning (HVAC)
91468 - Plumbing