Janitorial Services

New Single-Family Housing Construction (except Operative Builders)

Surveying and Mapping (except Geophysical) Services

Electrical Contractors

Exterminating and Pest Control Services

Plumbing, Heating, and Air-Conditioning Contractors, Finish Carpentry Contractors, Plastics Plumbing Fixture Manufacturing, All Other Plastics Product Manufacturing, Vitreous China Plumbing Fixture and China and Earthenware Bathroom Accessories Manufacturing

Food Service Contractors

Photographic Equipment and Supplies Merchant Wholesalers, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

Commercial Screen Printing, Digital Printing

Quick Printing, Manifold Business Forms Printing, Furniture Stores, Computer and Software Stores, Office Supplies and Stationery Stores

Poured Concrete Foundation and Structure Contractors

Grading

Other Residential Care Facilities

Museums

Landscaping Services

Commercial and Institutional Building Construction

Hotels (except Casino Hotels) and Motels

Environmental Consulting Services, Hazardous Waste Collection, Other Nonhazardous Waste Treatment and Disposal, Remediation Services

Other Chemical and Allied Products Merchant Wholesalers

Construction Sand and Gravel Mining

Musical Groups and Artists, Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures

Boat Building

Iron Foundries

Hardware Manufacturing, Machine Shops, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Hardware Merchant Wholesalers

All Other Animal Production