Naics code Naics crossreference
236210 Constructing hydroelectric generating facilities--are classified in Industry 237990, Other Heavy and Civil Engineering Construction
236210 Constructing industrial warehouses--are classified in Industry 236220, Commercial and Institutional Building Construction
236210 Performing specialized construction work on industrial buildings, generally on a subcontract basis--are classified in Subsector 238, Specialty Trade Contractors
236210 Manufacturing prefabricated industrial buildings and assembling/erecting them at the customers' site--are classified in Sector 31-33, Manufacturing, based on the primary material (wood, plastic, or metal).
236220 Constructing structures that are integral parts of utility systems (e.g., storage tanks, pumping stations) or are used to produce products for these systems (e.g., power plants, refineries)--are classified in Industry Group 2371, Utility System Construction, based on the type of construction project
236220 Performing specialized construction work on commercial and institutional buildings, generally on a subcontract basis--are classified in Subsector 238, Specialty Trade Contractors
236220 Manufacturing prefabricated commercial or institutional buildings and assembling/erecting them at the customers' site--are classified in Sector 31-33, Manufacturing, based on the primary material (wood, plastic, or metal)
236220 Constructing buildings on their own account for rent or lease--are classified in Industry Group 5311, Lessors of Real Estate.
237110 Constructing marine facilities (e.g., ports), flood control structures, dams, or hydroelectric power generation facilities--are classified in Industry 237990, Other Heavy and Civil Engineering Construction
237110 Installing septic tanks--are classified in Industry 238910, Site Preparation Contractors