North American Industry Classification System (NAICS) Codes

                                   541330 Engineering Services
                          541380 Testing Laboratories
                          236220 Construction Management - Commercial to include Interior Demolition and Renovation
                          238990 Concrete Work - Sidewalks, Gutter/Curb and Driveways

Standard Industrial Classification (SIC) Codes

                                  8711 Engineering Services
                                  8734 Testing Laboratories (except veterinary testing laboratories)
                                  8741 Management Services (commercial and institutional building construction management)
                                  1771 Concrete Work (except stucco construction)



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