Electric Power Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Bus and Other Motor Vehicle Transit Systems, Office Administrative Services

Regulation and Administration of Communications, Electric, Gas, and Other Utilities

Administration of Conservation Programs

Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers, Security Systems Services (except Locksmiths), Fire Protection

National Security

Administration of Housing Programs

Other Management Consulting Services, Professional and Management Development Training, Professional Organizations, Other Justice, Public Order, and Safety Activities

Residential Remodelers, Lessors of Residential Buildings and Dwellings, Residential Property Managers, Other Activities Related to Real Estate, Other Community Housing Services

Environment, Conservation and Wildlife Organizations, Administration of Conservation Programs

Architectural Services, Engineering Services, Testing Laboratories, Other Management Consulting Services, Environmental Consulting Services

Administration of General Economic Programs

Heavy Duty Truck Manufacturing, Motor Vehicle Body Manufacturing, Military Armored Vehicle, Tank, and Tank Component Manufacturing, Fire Protection

Other Justice, Public Order, and Safety Activities

Residential Mental Health and Substance Abuse Facilities, Other Community Housing Services, Administration of Housing Programs

Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Pr

Other General Government Support

Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors

Architectural Services, Engineering Services, Testing Laboratories, Environmental Consulting Services, Facilities Support Services