- Progress Machine & Tool Corp.
- Jewelry Equipment, Jewelers Supplies, Jewelry Making, jewelry tools, Jewelers Lost Wax Casting.
- Address:645 South Olive Street
- Romark Industries, Inc.
- Seamless Rolled Rings,Investment Castings,Lost Wax Casting,Forgings,Castings,Truck & Parts.
- Address:20950 Center Ridge Road
- Zero-D Products, Inc.
- jewelry mold rubber, silicone, silicone rtv, natural mold rubber, castaldo, clear silicone, casting wax, silicone machine rollers, silicone ink rubber, silicone soap mold rubber.
- Address:7183 Lake rd., madison, oh, USA
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