Key facts
- Listed location
Rockford, Illinois, USA- Company type
- Custom Manufacturer
- Company size
- Small (10-50)
- Founded
- 1916
Company record
Excelsior, Inc. designs and produces custom gaskets, washers, seals, insulators, conductors, shims, guides, and shipping covers, operating under AS9100 certification. The product line utilizes a broad range of raw materials, including rubber, various plastics, non‑asbestos compressed and beater‑mix formulations, foams, sponges, fiber, felts, cork, and thin‑gauge metals. Manufacturing processes encompass rotary die cutting, punch pressing, converting and coiling, water‑jet cutting, laser cutting, and rapid‑prototype techniques. Excelsior, Inc. is equipped to handle prototype development, low‑volume short runs, and large‑scale high‑volume production. Its customer base spans aerospace, transportation, food processing, electrical, automotive, agricultural, oil, and potable‑water sectors.
Listed capabilities
- Mica Fabrication
- Automotive Rubber Insulators
- Cellulose Acetate Plastic Fabrication
- Ceramic Fiber Gaskets
- Color Coded Shims
- Cork Cutters
- Fiber Insulators
- Fiber Reinforced Epoxy Insulators
- Fiber Shims
- Large Diameter Gylon® Gaskets
- Laser Cut Shims
- Mica Gaskets
- Mica Insulators
- Mica Rings
- Military Specification Shims
- Phenolic Rings
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