Custom Molded Thermoset Composites & Rotational Molded Products: 100% MADE IN THE USA!

Founded in 1960; Bo-Witt Custom Molded Solutions has been an industry leading manufacturer of custom molded thermoset insulators,  supporting Fortune 500 OEMs in a variety of global markets.

We provide custom molded solutions in thermoset composites as well as thermoplastic rotational molding.  Other capabilities include, but are not limited to, vertically integrated machining capabilities, material selection and engineering support from degreed mechanical engineers. 

Bo-Witt is a multi-faceted molder of thermoset composites with extensive metal and machining capabilities as well as expanded rotational molding capabilities.

The company manufactures of thousands of products 100% IN THE USA for both global and North American customers 

In addition to being a custom molder, Bo-Witt
is a global leader in the supply of thousands of different types of insulators for AC/DC Motors as well as mass transit systems.

The company has made in excess of 10 million insulators for motors of all applications & sizes.



 You can rest easy knowing we have 60 years of experience working with numerous composite materials; including BMC, SMC, DAP, melamine, phenolics and pre-pregs. No project is too small or too large for us when it comes to creating custom molded and machining solutions for you. 


  • Compression Molding

  • Transfer Molding

  • Insert & Over-Molding  

  • Potting and Encapsulation

  • Rotational Molding

  • Machining of thermoset composite laminates & high temperature thermoplastics


  • Design Excellence 

  • Expertise in bringing products from design to production

  • Large and small parts 

  • Custom Solutions

  • Degreed Mechanical Engineers

Customer Service

  • ISO 9001:2015 certified system

  • ITAR Registered 

  • On time delivery is a given

  • Quality is a given

  • Stocking programs available


Manufacturing Capabilities



Single Steel Pin Brush Holder Stud
Double Steel Pin Brush Holder Stud
Triangle Stud Insulator
General Insulators
Mass Transit Insulators
Custom Designed Parts
Industrial Parts
Yoke Bars
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Contact us today for a quote or solution!

JoAnne Brookes

Sales Engineering, BSME

VP of Sales

Jesse Tharp

Application Engineering, BSME

VP of Engineering




Tel. 812-526-5561

Fax. 812-526-5564

Monday - Friday 8:00 - 4:30



 500 North Walnut Street

Edinburgh, Indiana 46124