The following companies are the major competitors of Worthington Industries, Inc.:
- AK Steel Holding Corporation
- Reliance Steel Aluminum Co.
- Intermet Corporation
- Sanderson Farms, Inc.
- Mittal Steel Company
- N.V. Gibraltar Steel Corporation
- United States Steel Corporation
- Ryerson Tull, Inc. Steel
- Technologies, Inc.
- O’Neal Steel, Inc.
- Harsco Corporation
- Bayou Steel Corporation
- Metals USA, Inc.
