DL-Engineering, LLC designs and assembles circuit boards and cable assemblies for companies and individuals.

Dayton-Phoenix Group manufactures high-powered resistors, primarily utilized in large diesel electric machinery, such as locomotives and mining trucks.

Diamond Billiard Products Inc. is a manufacturer of pool tables and billiard-related accessories.

Crystal Industries Inc. is a metal fabricator serving commercial transportation, including: ambulance, bus, recreational and utility vehicle markets.

Crossroads Solar Enterprises LLC manufactures modular, photovoltaic solar panels and is expanding production through tech-enabled modernization.

Conn-Selmer Inc. is a musical instrument manufacturer, including brass instruments for student, amateur and professional use.

CM Engineering Inc. is a machine shop that offers precision CNC fabrication, milling and turning, as well as tungsten inert gas (TIG) and metal inert gas (MIG) welding.

Chiyoda USA Inc. is a manufacturer of injection molded, blow molded, body color painted and assembled trim components to the automotive industry.

CF Roark Welding & Engineering Co. Inc. is a contract manufacturer specializing in exotic metals and complex geometries serving aerospace, defense, space and other science-related industries domestically and globally.

Centurion Arms LLC manufactures fire arms and related parts. The firm plans to invest in cobots for machine tending of CNC equipment to enhance productivity.

BWXT Nuclear Operations Group Inc. manufactures components and systems for the defense market through contracts that serve U.S. Navy shipbuilding of submarines and aircraft carriers.