We are a family owned and operated metal fabricator

Providing industry solutions for our customers for 25 years

Zimmerman Steel & Supply Co. is a total production metal fabrication, production welding services, custom fabrication and steel service production facility with 25 years of experience located in Dalton, Ohio. With over 70,000 sq. ft. of facility space, we can accommodate multiple large projects customized specifically to customer needs, assuring the same great quality and safety delivered on time and within budget. Industries served are oil and gas, transportation, highway, aggregate, metal mills, foundry, water, wastewater, conveying, truck & trailer fabrication and more.

Our service area for the oil and gas industry spans the northeast, mid-west, eastern U.S including the Appalachian Basin (Utica Shale and Marcellus Shale) and Canada with additional industries served throughout North America. Our AWS D1.1 and D1.5 certified welders provide robotic and manual welding processes, precision fabrication, custom finishing options, integrity testing and quality control reports. We are also certified by CWB Group in Division 2, W47.1 under the Canadian Standards Association (CSA). The CSA W47.1 is a Certification of Canadian Companies exclusively for Fusion Welding of Steel.


New Galvanizing Facility

Metal Mills Foundry

5th Wheel Plate


Compressor Station Platform

Midstream Oil & Gas

Waste Water Work

Water & Waste Water

Reengineered Racking

Other Industries

Pipeline Supports

Midstream Oil & Gas



American Welding Society

Certified Welding D1.5 Bridge Welding

Certified Welding D1.1

Ohio Department of Transportation Barriers and Expansion Joints Certified

OSHA 10 Construction

Association for Iron & Steel Technology AIST

Welding Standards 1910 Subpart Q Certifications

Certified Welding D1.6 Stainless Steel

Certified Welding D9.1 Sheet Metal

Canadian Standards Association CWB Group

Certified Welding W47.1 Fusion Welding of Steel