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- Waugh Equpment Co.
- Union Asbestos & Rubber Company
- Ulster Iron Works
- Adirondack Elecric Steel Castings
- ALCO Railway Steel Spring
- The Pyle-National Co.
- National Malleable & Steel Castings Co.
- Nathan Manufacturing Co.
- Magnus Metals Corp.
- National Lock Washer Co.
- Hunt-Spiller Mfg. Corp.
- The Glidden Co.
- Electro-Chemical Engineering Corp.
- American Arch Co., Inc.
- Barco Manufacturing Co.