- Wurth Group GmbH
- Airgas Inc. (Air Liquide S.A.)
- Applied Industrial Technologies Inc.
- Kaman Industrial Technologies Corporation
- Rubix Limited (IPH-Brammer Group)
- Motion Industries Inc.(Genuine Parts Company)
- WESCO International Inc.
- Sonepar SA
- Rexel Holdings USA (Rexel SA)
- Graybar Electric Co.
- Consolidated Electrical Distributors Inc.
- Anixter Inc.
- Wolseley Limited (Ferguson Plc)
- W.W. Grainger Inc.
- The Fastenal Company
- MSC Industrial Direct Co. Inc.
- Lawson Products Inc.
- Interline Brands Inc.