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JENNMAR | Delivering Worldwide Solutions Jennmar is a global company leading the way in ground control technology for the mining, tunneling, civil, and infrastructure industries. Since 1922, we’ve grown from a small scrap metal business into a worldwide partner, driven by integrity, innovation, and an unwavering commitment to safety and service. With manufacturing facilities around the world, Jennmar provides a broad range of reliable ground support and infrastructure products. As a single-source provider, our network of affiliates allows us to deliver everything from steel and chemical roof support to tools, fabrication, conveyors, automation, and engineering services. Our Affiliates: JM Steel | Jennchem | XCAL Tools and Industries | TAMCO Tools | Jennmar Automation | Jennmar Conveyors | Jennmar Engineering | Jennmar Civil | Jennmar Services | Jennmar International | Turnstone Industrial Solutions At Jennmar, “good enough” never counts. We build lasting partnerships with our customers, helping them tackle their toughest challenges with safety, service, and innovation at the core of everything we do. To learn more about us and work with us today visit www.jennmar.com.

JENNMAR Questions

The JENNMAR annual revenue was $760.6 million in 2026.

Tony Calandra is the CEO of JENNMAR.

373 people are employed at JENNMAR.

JENNMAR is based in Pittsburgh, Pennsylvania.

The NAICS codes for JENNMAR are [2122, 212299, 212111, 21, 21229, 212, 332, 2121, 21211, 33].

The SIC codes for JENNMAR are [353, 35, 122, 12].

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