Operating since 1979, Panel-Fab is a Cincinnati manufacturer known for the scale of its custom control-panel operation. More than 330 employees work across six Ohio buildings totaling over 120,000 square feet, serving industrial customers across North America and around the world. The company builds to customer drawings and verifies each panel before shipment.
UL 508A
UL 698A
CUL
CSA
ETL
ESA
CE
VDE
Military Specification
MILSPEC
Quality certification
Columbus Controls, IncFounded in 1981 by Gary E. Hanold, Columbus Controls builds custom industrial control panels and fabricated control systems in Columbus, Ohio. The company has grown from a 1,500-square-foot Westerville shop into its own expanded facility, bringing more than four decades in business and over 100 years of combined team experience to applications ranging from data centers to automotive and oil and gas. Columbus Controls is also a UL 508A certified shop, with related expertise in MCC modifications and custom control-panel components.COLUMBUS, OH
Panel Master LLCPanel Master grew from Don Leetch’s garage in Avon, Ohio, into a control-panel manufacturer serving industrial companies since 1985. Its family-rooted beginnings remain part of the company’s story, with Leetch’s first employee—later his son-in-law—now its most senior project manager. Based in LaGrange, the company operates a 15,000-square-foot facility and holds UL 508A certification.LAGRANGE, OH
Panel Control IntegratorsPanel Control Integrators designs and manufactures custom electrical control panels, having operated in the business for more than 15 years before adopting its current name in 2025. Based in Anna, Ohio, the company provides panel engineering, production, integration, installation, and service for industrial and power applications.ANNA, OH
AMG Custom Controls, LLCAMG Custom Controls, LLC grew out of Dayton-based AMG, Inc., an industrial engineering firm founded in 1980, and draws on that parent company’s decades of hands-on facility experience. The UL 508A-listed shop builds custom industrial control panels for processing, manufacturing, and automation applications, bringing engineering insight to projects that require more than a standard design.DAYTON, OH