Metal fabrication
Checked Oct 8, 2026
Dennen Steel
Grand Rapids, MI · prototype to production
Certifications · select one to see where it is stated
Where each detail comes from
- Processes · Stamping
“progressive stampings, deep draw stamping”
dennenmfg.com - Processes · Fabrication
“Steel fabrication for renewable and green energy projects”
dennenmfg.com/capabilities/ - Processes · Welding
“Robotic MIG welding”
dennenmfg.com - Processes · Assembly
“Advanced Value-Added Assemblies”
dennenmfg.com - Processes · Shearing and slitting
“Internal-use slitter to process master coils”
dennenmfg.com - Processes · Painting
“Painting A-Coat E-Coat Powder Coat”
dennenmfg.com/capabilities/ - Processes · Powder coating
“Powder Coat”
dennenmfg.com/capabilities/ - Processes · Deburring and finishing
“Finishing Deburr Grinding Part Washing”
dennenmfg.com/capabilities/ - Processes · Tool and die
“In-House Toolroom”
dennenmfg.com/capabilities/ - Processes · Engineering and design
“Engineering Design for Manufacturability Support”
dennenmfg.com/capabilities/ - Processes · Prototyping
“Prototype Builds”
dennenmfg.com/capabilities/ - Processes · Drilling and tapping
“In-die tapping, studding, nutting and more”
dennenmfg.com/capabilities/ - Materials · Stainless steel
“Stainless Steel (300 & 400 series)”
dennenmfg.com - Materials · Aluminum
“Aluminum (3000, 4000, 5000, 6000 Series)”
dennenmfg.com/capabilities/ - Materials · Carbon steel
“Low Carbon (270 Mpa)”
dennenmfg.com/capabilities/ - Certifications · ISO 9001
“As an ISO-9001 certified company”
dennenmfg.com - Industries · Automotive
“Industries served include automotive, agriculture, heavy truck, consumer products, furniture, construction”
dennenmfg.com - Industries · Agriculture
“Industries served include automotive, agriculture, heavy truck, consumer products, furniture, construction”
dennenmfg.com - Industries · Construction
“Industries served include automotive, agriculture, heavy truck, consumer products, furniture, construction”
dennenmfg.com - Industries · Consumer products
“Industries served include automotive, agriculture, heavy truck, consumer products, furniture, construction”
dennenmfg.com - Industries · Energy
“Steel fabrication for renewable and green energy projects”
dennenmfg.com/capabilities/