- AGY Holding, LLC
- AbitibiBowater, Inc. Catawba Operations
- Air Liquide Industrials
- Alice Manufacturing Co., Inc.
- American Italian Pasta Company
- Ascend Performance Materials, LLC
- BMW Manufacturing
- Boeing
- Consolidated Systems, Inc.
- Cooper River Partners
- Dak Americas, LLC
- Dillon Yarn Mills
- FujiFilm Manufacturing USA, Inc.
- Georgia Pacific
- Guardian Industries
- Honda of America Mfg., Inc.
- International Textile Group
- INVISTA
- KapStone Charleston Kraft, LLC
- Kapstone Kraft Paper
- Kimberly-Clark Corporation
- Martek Biosciences Kingstree
- MWV
- Michelin North America, Inc.
- Milliken & Company
- Mitsubshi Polyester Film, Inc.
- Mount Vernon Mills, Inc.
- Nestle Prepared Foods Company
- PPG Industries Fiberglass
- Pactiv
- Savannah River Nuclear Solutions
- Shaw Industries Group, Inc.
- Talley Metals Technology (Carpenter)
- The Timken Company
- Tupperware U.S., Inc.