Agriculture

  • Cargill, Inc.
  • CHS, Inc. 
  • ConAgra Foods, Inc. 

AUTOMOTIVE

  • Mercedes Benz of North America 
  • Volkswagen of America, Inc.

CONTRACTOR

  • JH Larson Electric Co.
  • MLC Construction 
  • Peter Kiewit Sons Inc.  
  • Technology Sharpe Enterprises 

ENERGY

  • Missouri River Energy Services
  • Northern Natural Gas Co.
  • Ottertail Corp
  • Williams Pipe Line Co.

FINANCIAL

  • Citibank, NA
  • Citicorp Credit Services, Inc.
  • Consumer Portfolio Services, Inc.
  • Marine Midland Bank
  • Merrill, Lynch, Pierce, Fenner & Smith
  • NationsBank
  • Transamerica Cos.

GOVERNMENT

  • City of Sioux Falls

INSURANCE

  • 1st Auto & Casualty Insurance Company
  • Acuity Insurance
  • Allied Mutual Insurance Company
  • AIG
  • Celtic Insurance Co.
  • CIGNA
  • CNA Insurance
  • Continental Insurance Co.
  • Continental Western Group
  • Crum & Forster
  • EMC Insurance Companies
  • Farmers Mutual Insurance of Nebraska
  • Farmland Mutual Insurance Co.
  • GlaxoSmithKline
  • Liberty Mutual Insurance Co.
  • Mutual of New York
  • Nationwide Insurance
  • North Star Mutual Insurance
  • Progressive Insurance Companies
  • The Hartford
  • Travelers Insurance Co.
  • Underwriters at Lloyd's, London
  • USAA Insurance Co.

MANUFACTURING

  • Boise Cascade
  • Carlisle Companies, Inc.
  • Emerson Electric Co.
  • Fina Oil & Chemical Co,
  • Mentor Corporation
  • Robert Shaw Controls Co.

RETAIL

  • Menards
  • Sears

TECHNOLOGY

  • Cendant Mobility Services
  • IBM Corp
  • 3M Co.
  • Unisys Corp

TRANSPORTATION

  • Union Pacific Railroad
  • United Airlines, Inc
  • UPS