Stationery and Office Supplies Merchant Wholesalers

Telephone Apparatus Manufacturing, Electronic Connector Manufacturing, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Other Electronic Parts and Equipment Merchant Wholesalers

Recyclable Material Merchant Wholesalers

Farm and Garden Machinery and Equipment Merchant Wholesalers

Other Commercial Equipment Merchant Wholesalers

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

Construction Machinery Manufacturing, Overhead Traveling Crane, Hoist, and Monorail System Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Main

Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)

Other Electronic Parts and Equipment Merchant Wholesalers

Commercial Gravure Printing, Photographic Film, Paper, Plate, and Chemical Manufacturing, All Other Plastics Product Manufacturing, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

Soybean Farming, Wheat Farming, Corn Farming, All Other Grain Farming, Hay Farming

Household Refrigerator and Home Freezer Manufacturing, Nonupholstered Wood Household Furniture Manufacturing, Metal Household Furniture Manufacturing, Mattress Manufacturing, Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers

SIOUX CITY

Rubber and Plastics Hoses and Belting Manufacturing, Abrasive Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing

DES MOINES

MASON CITY

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

WATERLOO

Sawmills, All Other Miscellaneous Wood Product Manufacturing, Other Miscellaneous Durable Goods Merchant Wholesalers, Other Miscellaneous Nondurable Goods Merchant Wholesalers