- First National Bank of South Carolina
- Farmers & Merchants Bank of South Carolina
- The Regional Medical Center of Orangeburg & Calhoun Counties
- Cox Industries, Inc.
- South Carolina Electric & Gas Co.
- CPM Federal Credit Union
- South Carolina Public Service Authority
- Accustaff, Inc.
- American Bankers Ins. Co.
- American Gen. Ins. Co.
- American Mutual Fire Insurance Co
- American Southern Insurance Co.
- American States Insurance Co.
- American Universal Insurance Co.
- Auto Owners Inc. Co.
- Beatrice Foods Co., Inc.
- Colorado Ins. Co.
- Equitable Life Assurance Society
- Ethyl Corp.
- Federated Mutual Insurance Companies
- Fireman’s Fund Insurance Co.
- Food Lion, Inc.
- Frontier Ins. Adj.
- Gates McDonald Insurance Administrators
- General Accident Insurance Company
- Grange Ins. Co.
- Greenwood Mills
- Harleysville Insurance Co.
- Horace Mann Insurance Co.
- Kemper Insurance Group
- Lumberman’s Mutual Insurance Co.
- Maryland Casualty Insurance Co.
- Murphy & Bean Adjusting Co.
- National Grange Mutual Insurance Co.
- Osteen Adjusting Services
- Otis Spukmeyer Co.
- Orangeburg National Bank
- Proctor & Gamble
- Prudential Insurance Co.
- Reliance Insurance Co.
- Safeco Insurance Co.
- S. C. Insurance Co.
- Seibels Bruce Insurance Group
- Southern Railway System
- State Auto Group
- Sunco Carriers
- Ward North American Ins. Adjust. Co.
- Western World Insurance Co.
- Wesco Claim Service
- Westinghouse Electric Corp.