From Corrosion Protection to Complex Coatings
Delivering advanced metal finishing solutions that protect, enhance, and extend the life of your products.
Your Partner in High-Performance Metal Finishing
For more than 65 years, manufacturers across automotive, agricultural, infrastructure, and electrification have trusted CMC to protect the parts they ship. Four facilities, 17 processing lines, hexavalent-chromium-free finishes throughout, and one team standing behind every job.
Since 1959
Family-Led Heritage
Founded in Ypsilanti, Michigan, and family-led for the entire run since. Three more facilities have joined the group, but the founding principle hasn't changed: deliver on quality, service, and price, on every order.
ISO 9001:2015
Quality You Can Count On
A full-time in-house lab runs salt spray, atomic absorption, and X-ray fluorescence on every program. Process control is the job at CMC, not an add-on.
Since 1973
Environmental Commitment
Exceeding Clean Water Act standards since 1973, and continuously upgrading wastewater treatment and process chemistry to match where the industry is going next.
Process Menu
Our Coating Capabilities
Whether you need corrosion resistance, wear protection, or enhanced conductivity, CMC offers one of the industry's broadest ranges of finishes. Click any process to see its properties, typical applications, and the standards we can meet.
View Full Capability Matrix →Applications
From precision electronics to heavy-duty automotive parts, our coatings perform where it matters most.

Fluid Management

Electrification

Chassis System

Thermal Management
Markets Served
Industries We Serve
From off-highway equipment and grid hardware to electric vehicles, electronics, and the fasteners that hold modern machines together, CMC partners with manufacturers across nine industries. Each gets the finish, the volume, and the lead time that sector actually needs.
See All Industries →Companies Represented
CMC is the corporate home for four metal-finishing facilities operating across Michigan and North Carolina. One point of contact handles sales, engineering, purchasing, and customer support across all four. The right facility for your part depends on the process, the volume, and the geography.
Marsh Plating Corporation
Ypsilanti, MI · Est. 1959
The founding facility. Trivalent-chromium-free zinc, zinc-nickel, electroless nickel, and tin chemistries, with four consecutive Top Shops awards.
Marsh Plating Willow Run
Ypsilanti, MI · Est. 2016
Purpose-built for rack zinc-nickel, rack electroless nickel, tin, and aluminum conversion coatings.
Finishing Services Inc.
Ypsilanti, MI · Est. 1975
High-volume electroless nickel and tin/zinc finishes, with full cleaning, pickling, masking, and inspection services in-house.
Piedmont Plating Corporation
Greensboro, NC · Est. 2008
Rack and barrel zinc, zinc-nickel, zinc-iron, and electroless nickel from CMC's southeastern US operations.
Awards & Certifications
- ISO 9001:2015 Certified
- GM Laboratory Accredited
- 2019 Top Shops Award
- McGraw Hill Environmental Champions II Award
- EPA Metal Finishing 2000 Participant
- EPA Strategic Goals Participant
Affiliations & Compliance
REACHCompliant
RoHSCompliant
ISO 90012015
Top ShopAward
NASFMember
