Nursery and Tree Production, Floriculture Production, Soil Preparation, Planting, and Cultivating, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction

Other Heavy and Civil Engineering Construction

All Other Professional, Scientific, and Technical Services

Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

All Other Industrial Machinery Manufacturing

Commercial Gravure Printing

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial

Machine Shops, Precision Turned Product Manufacturing, Small Arms Manufacturing, Electric Lamp Bulb and Part Manufacturing, Other Lighting Equipment Manufacturing

Printed Circuit Assembly (Electronic Assembly) Manufacturing

Other Concrete Product Manufacturing, Fabricated Structural Metal Manufacturing

Aircraft Manufacturing

Investigation Services

Ophthalmic Goods Merchant Wholesalers

All Other Basic Inorganic Chemical Manufacturing, All Other Basic Organic Chemical Manufacturing

Machine Shops

Software Publishers, Custom Computer Programming Services

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Analytical Laboratory Instrument Manufacturing, Wired Telecommunications Carriers, Engineering Services, Surveying and Mapping (except Geophysical) Services

Commercial Photography

Machine Shops

Electronic Computer Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Printed Circuit Assembly (Electronic Assembly) Manufacturing, Custom Computer Programming Services

Custom Computer Programming Services, Computer Systems Design Services