Nearly 100 years old, JSJ Corporation is a mid-sized manufacturing company whose entrepreneurial roots run deep. Based in Grand Haven, Michigan, and established in 1919, JSJ actively invests in its people, its businesses and its communities.

JSJ businesses include Dake, GHSP, Hudson Technologies, izzy+, McLoone and Sparks Belting. From machine tools, automotive solutions and medical devices, to office furniture, metal name plates and conveyor belts, these businesses serve global customers ranging from startups to multinational corporations. 

What does JSJ stand for? The name was created from the initials of the company’s founding families – the Jacobsons, Johnsons and Sherwoods. Their histories became forever entwined when our cornerstone business, Grand Haven Brass Foundry,burned to the ground. Together they rebuilt it. Ever since, these families bonded to build a resilient culture that embraces earning trust, working together, learning by doing and stewarding the company legacy.

Both new and experienced employees find a welcoming environment at JSJ. We place a high value on talent, leadership and making a positive difference for future generations.

Value Proposition

JSJ is focused on delivering what our customers need, while creating a true value proposition for our economic partners.