Experimental Prototype Products, Inc.
Prototypes and General Machining Since 1976

Tel: (860) 289-4948 
Fax: (860) 528-0396
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About Us
Experimental Prototype Products, Inc. (a.k.a. Ex-Pro) is a family-owned and operated machine shop.  It was established by Robert Ainsworth in 1976, generally working on new development prototype machining from engineer drawings. In 1991, he was bought out by two of his sons, Robert Jr. and William Ainsworth who have continued to treat every customer like they were a part of the family. Other companies may offer similar services but, our ability to provide a high quality of parts and our customer service is what sets us apart. 

Conveniently located:

Take Exit 4 off Interstate 291 (East or West)

Go Left at the end of the exit ramp onto Route 5

Take your first Right onto Chapel Road

We are the second building on the Left