Roundhouse performs work under the following North American Industry Classification System Codes (NAICS):



Primary NAICS

237110                Water and Sewer Line and Related Structures                                         Construction

Secondary NAICS

236210                Industrial Building Construction
236220                Commercial and Institutional Building Construction
237130                Power and Communication Line and Related Structures Construction
237310                Highway, Street and Bridge Construction
237990                Other Heavy and Civil Engineering Construction
238110                Poured Concrete Foundation and Structure Contractors
238160                Roofing Contractors
238210                Electrical Contractors and Other Wiring Installation Contractors
238220                Plumbing, Heating and Air-Conditioning Contractors
238290                Other Building Equipment Contractors
238910                Site Preparation Contractors
238990                All Other Specialty Trade Contractors
332313                Plate Work Manufacturing
531120                Lessors of Nonresidential Buildings (Except Mini Warehouses)
541330                Engineering Services
541611                Administrative Management and General Management Consulting Services
541620                Environmental Consulting Services
561210                Facilities Support Services
561621                Security Systems Services (Except Locksmiths)
562211                Hazardous Waste Treatment and Disposal
562910                Remediation Services