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Compass Electronics Solutions Companies

Manufactured Assemblies Corporation (MAC) is proud to be a part of newly formed Compass Electronics Solutions. This new group of companies was formed by Compass Group Equity Partners, a St. Louis-based private equity firm with a record of success in acquiring and building lower middle-market companies. Compass Group provides hands-on support and resources to aid management teams in exceeding historical performance and accelerating growth.

The group of companies making up Compass Electronics Solutions currently consists of four companies: Logic PD, with facilities in Eden Prairie, Minnesota, and Ciudad Juárez, Mexico; Manufactured Assemblies Corporation (MAC), with facilities in Dayton, Ohio, and Atlanta; Qualitronics, with facilities in Richmond, Indiana; and Protech Global Solutions, with facilities in El Paso, Texas and Ciudad Juárez, Mexico. Compass Electronics Solutions is the premier partner for the developmentmanufacturing, and support of electronic devicesfor the world’s most innovative and sought-after brands. We leverage 60 years of knowledge and insight to collaborate with customers on product design, engineering, manufacturing, and custom assembly and support needs to accelerate innovation and time-to-market while reducing costs and optimizing quality throughout the product lifecycle.


Beginning in 1960, Logic PD has been helping customers realize innovative products and develop comprehensive solutions in the world’s most demanding markets. How do we do this? With integrated capabilities in research, design, engineering, quality, regulatory, manufacturing, and aftermarket services, Logic PD helps its clients identify opportunities, reduce risk, and control costs to deliver the next generation of innovative products.

At Logic PD, we work with you to bring together a highly skilled, full-service team of focused experts in design and systems, electrical, software and mechanical engineering. From rapid prototyping, to low volume/high mix, to cost-optimized nearshore manufacturing options in Mexico, Logic PD leverages the latest technologies and techniques to meet customers’ time-to-market, budget, and quality goals. Logic PD’s award-winning Products team is a leader in designing and developing SOMs with wireless technologies, low power capabilities and small form factors. With expertise in product design and engineering, manufacturing, and embedded products, Logic PD works with clients to navigate their product through its entire life cycle.


Established in 1987, Qualitronics is a leading manufacturer of custom cable assemblies and wire harnesses for OEMs in the transportation industry. Qualitronics also provides custom manufacturing services, including molding, cutting, stripping, terminating, and marking. The company operates out of a 26,000-square-foot facility near Richmond, Indiana.

Quality is the biggest part of our name and our commitment to you.  We, the employees of Qualitronics, Inc., value our customers as the reason for our continued success.  We take pride in our labor, our company’s success, and the partnerships we develop with our customers. As your partner, Qualitronics, Inc. strives to produce solutions that eliminate manufacturing problems and increase final product quality.


Protech Global Solutions was founded in 2001 by two technical professionals with over 70 years of combined experience in engineered products and manufacturing. With both U.S. and Mexico electronics contract manufacturing operations, cable and wire harness assembly, box build and supply chain services, Protech enables customers to pick a solution perfectly tailored for their needs in terms of responsiveness and lowest total cost

Protech also provides in-house engineering services, including NPI, test development services and product design assistance. OEMs in several industries, including consumer goods, transportation, and alternative energy, rely on Protech’s wide range of services. The company operates a 22,000-square-foot headquarters in El Paso, Texas, and a second facility in Ciudad Juárez, Mexico, which features four full SMT lines.

Compass Group acquired Protech in 2019.


MAC has a new look!

We’ve changed our look and introduced a new logo and branding to reflect that MAC can now offer customers an enhanced range of capabilities as part of Compass Electronics Solutions!

We’re still the same MAC – we offer the same superior products and services, including electrical and mechanical sub-assemblies, cable assemblies, wire harnesses, electrical enclosures and kiosk manufacturing. But we are now able to provide a wider range of services as part of CES; click below to learn more!