Grintech Group is a Pennsylvania-based engineering and consulting group known for connecting U.S. customers with manufacturing resources in the United States and India. Its “Made in USA” and “Assemble in USA” initiative supports domestic production while drawing on the group’s experience across several international manufacturing markets. The company is ISO 9001:2015 certified.
ISO 9001
PTR GroupPTR Group is a Pennsylvania manufacturing group whose companies include operations established in 1979, 1988, and 2008. It serves industrial customers with custom production work, from prototype quantities through high-volume runs, while its four-company structure provides a single point of contact for varied manufacturing needs.FARRELL, PA
Elsner Engineering Works IncSince Frank and Johanna Elsner founded it in 1934, Elsner Engineering Works has remained a Hanover, Pennsylvania manufacturing fixture known for practical, purpose-built solutions. Its 50-person team works from a 112,000-square-foot facility to help Mid-Atlantic manufacturers turn difficult production problems into workable equipment and processes, with ISO 9001:2015 certification supporting its quality system.HANOVER, PA
The Griff NetworkFamily-operated since its founding in 1977, The Griff Network has grown from a Pennsylvania paper business into a six-facility manufacturer serving customers from startups to large corporations. Its roughly 250,000 square feet of operations support custom materials development and converting, with ISO 9001:2015 certification underpinning work for specialized industrial applications.FALLSINGTON, PA
Matric GroupBorn in 1971 from the shared hobby of two ham-radio enthusiasts, Matric Group remains rooted in craftsmanship while serving as a U.S.-owned electronics manufacturing partner. From its Pennsylvania facilities, the company helps OEMs turn complex designs into dependable products, with particular experience in demanding aerospace and medical work. Its certified quality systems include AS9100D and ISO 13485.SENECA, PA