Dennen Steel LLC
Dennen Steel specializes in steel processing and metal stamping, producing Class A exposed blanks, configured blanks, progressive stampings, and deep draw stampings using automatic press lines ranging from 275–600 tons. The company processes materials including Stainless Steel (300 & 400 series), Aluminum (5000 & 6000 series), HSLA, Dual Phase steel, Enameling Steel, and Coated Steel (galvanized, Aluminized), and operates an internal slitter for processing master coils. Beyond stamping, Dennen Steel provides value-added assembly services including robotic MIG welding, resistance welding, tapping, staking, hand assembly, vision inspection, robotic caulking, and riveting, serving the automotive, agriculture, heavy truck, consumer products, furniture, and construction industries.
Certifications
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Dennen Steel LLC | Grand Rapids | MI | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.