Sanitary ware in Michigan
- Thetford Corp.
- BrassCraft Mfg. Co.
- Lyons Industries, Inc.
- Duo-Form Of Michigan, Inc.
- Marble Era Products, Inc
- Nordic Products, Inc.
- Warm Rain Corporation
- Alsons Corp.
- Great Lakes Home & Resort
- Durakon Industries, Inc.
- American Shower & Bath Corp.
- Attwood Corp.
- Five Peaks Technology, LLC
- BrassCraft Mfg. Co.
- Masco Corp. (H Q)
- Lasco Bathware
- Porta-John Systems, Inc.
- Viking Spas
Sanitary ware