Promark Electronics specializes in the manufacturing of control panels, custom wire harnesses, cable assemblies, electromechanical assemblies, and full box builds for OEM's since 1987. 

We offer specialized cable and connector prototyping services, including value engineering services for existing products. We offer a unique stocking program for finished goods, cable assemblies, and other completed product builds, allowing flexibility in our customers production volumes to stay on pace with their growth.

Our team has over 75 years of experience in the industry, coupled with our state-of-the-art equipment and facilities in both Canada and Asia.

We help our clients go-to market faster with cost-effective, custom designed, value engineered products and solutions that are in-line with their business objectives.

We manage our clients supply chain from engineering through to final assembly and fulfillment.

Promark Electronics

Matric Group

Matric Group is an electronic contract manufacturer with two locations in Western Pennsylvania. Matric Limited in Seneca and Dynamic Manufacturing in Freeport. 


Our comprehensive services approach addresses every stage of your product development process. From engineering services, printed circuit board assembly, electromechanical assembly, cable and harness assembly, to electronic repair services, we help your product achieve its highest potential.

Astro Manufacturing & Design

The Single-Source Solution For All Your Manufacturing Needs


Astro Manufacturing & Design is a full-service, ISO 9001:2008 and ISO 13485 Certified custom manufacturer offering comprehensive manufacturing services for businesses in the medical, aerospace, agriculture, military automotive, homeland security and other industrial and technology-related industries.


We provide close-tolerance, high-precision work with a wide variety of materials, including all popular types of metals and plastics. Our 142,000-square-foot corporate headquarters, located in Eastlake, Ohio, is the workplace of some of Northeast Ohio's most talented manufacturing personnel. Our employees are experienced and highly trained and can guide you with suggestions and input that will help maximize your project's efficiency-often lowering costs and shortening time to market.


Astro is a single-source solution for all of your needs. Customers may use all or part of our services, including: Design, Rapid prototying, Fabrication, More... Manufacturing, Finishing, Machining, Plastics, Assembly, Painting, Inspection and quality control.


 Since our founding in 1977, our philosophy has been to strive for excellence in every facet of our operations- to meet or exceed customer expectations. We invite yout to see for yourself with a personalized tour of our facility.


 Astro Manufacturing serves a wide range of industries including:


 *Aerospace


 *Medical


 *Military


 *Energy


 *Commercial/non-durable consumer goods OEM's Less

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