NAICS Codes

• 237210 Land Subdivision
• 237990 Other Heavy and Civil Engineering Construction
• 238190 Other Foundation, Structure and Building Exterior Contractors
• 238290 Other Building Equipment Contractors
• 238990 All Other Specialty Trade Contractors
• 517210 Wireless Telecommunications Carriers (except Satellite)
• 517919 All Other Telecommunications
• 531390 Other Activities Related to Real Estate
• 541310 Architectural Services
• 541330 Engineering Services
• 541340 Drafting Services
• 541350 Building Inspection Services
• 541360 Geophysical Surveying and Mapping Services
• 541370 Surveying and Mapping (Except Geophysical) Services
• 541490 Other Specialized Design Services
• 541611 Administrative Management and General Management Consulting Services
• 541618 Other Management Consulting Services
• 541620 Environmental Consulting Services

SIC Codes

• 1623 Water, Sewer, Pipeline, Communications amd Power Line Construction(Radio Tranmitting Construction - General Contractors)
• 8711 Engineering Services
• 8712 Architectural Services
• 8713 Surveying Services
• 8742 Management Consulting Services