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  7. Mayville Engineering Company, Inc
Mayville Engineering Company, Inc logo

Mayville Engineering Company, Inc

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Defiance, OH 43512
414-381-2860
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At a glance

Headquarters
Defiance, OH

About

Founded in 1945, Mayville Engineering Company is a U.S.-based, vertically integrated manufacturing partner that provides design and production services for OEMs. It has grown from its origins in tool and die work to operate manufacturing facilities across multiple states, and has been named the nation’s largest fabricator for 16 consecutive years. MEC also produces shotshell reloaders through its MEC Outdoors brand, a business dating to 1955.

Capabilities and markets

Products

Manufacturing processes

Materials worked

Service offerings

Economic activities

End markets served

Energy segments

Grid Components

Directory supply chains

Classification

NAICS codes

Certifications and registrations

Certifications

  • ISO 9001:2015

  • ISO 14001:2015 Environmental

  • IATF 16949:2016

Related manufacturers

  • Mayville Engineering Company, Inc. (MEC) logoMayville Engineering Company, Inc. (MEC)Founded in a rented Mayville garage in 1945, Mayville Engineering Company (MEC) has grown into a U.S.-based manufacturing partner that takes products from design and prototyping through metal fabrication, finishing, assembly, and aftermarket support. With more than 2,500 employees across 20-plus locations, MEC serves OEMs in markets ranging from commercial vehicles and agriculture to powersports and critical power. The company has been employee-owned since 1985 and has held the top spot on Fabricator Magazine’s FAB 40 list for 16 consecutive years.DEFIANCE, OH
  • Starlite Diversified Inc logoStarlite Diversified IncSince 1973, Starlite Diversified has grown from a 2,400-square-foot shop into a 55,000-square-foot Meadville manufacturer providing precision machining and fabrication. Its equipment and quality department support everything from prototypes to extended production runs, with an unusual strength in large-format work—the company’s largest milling center handles parts up to 115 by 88 by 78 inches. Starlite also offers turnkey assemblies and uses coordinate measurement systems to verify conformance throughout production.MEADVILLE, PA
  • Engineered Manufacturing & Equipment Company logoEngineered Manufacturing & Equipment CompanyFounded in 1995 by Ray Grigorenko, Engineered Manufacturing & Equipment Company carries forward more than six decades of family deep-draw knowledge in its Marysville operation. EMEC is a U.S. engineering and manufacturing partner known for building the specialized equipment needed to produce difficult metal components for defense, aerospace, filtration, and industrial customers.MARYSVILLE, OH
  • May Industries of Ohio, Inc logoMay Industries of Ohio, IncMay Industries of Ohio, Inc. manufactures custom products and metal components, and has done so for more than 50 years. The North Royalton company serves several industries and handles projects from prototypes and parts through finished assemblies, with in-house production and finishing capabilities.CLEVELAND, OH
More manufacturers in Ohio

Contact information

Website

mecinc.com

Emails

  • info@mecinc.com
  • sales@mecinc.com

Phone numbers

  • 414-381-2860
  • 920-387-4500

Social

Locations

Mayville Engineering Company, Inc location map for 06728 STATE ROUTE 66 N

06728 State Route 66 N

Defiance, OH 43512

Defiance County

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Mayville Engineering Company, Inc location map for 135 S 84TH ST

135 S 84th St

Milwaukee, WI 53214

Milwaukee County

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Mayville Engineering Company, Inc location map for 210 CORPORATE DR

210 Corporate Dr

Beaver Dam, WI 53916

Dodge County

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Mayville Engineering Company, Inc location map for 944 BYPASS RD

944 Bypass Rd

Heber Springs, AR 72543

Cleburne County

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Mayville Engineering Company, Inc location map for 249 MULBERRY LN

249 Mulberry Ln

Atkins, VA 24311

Smyth County

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Directory source

Source
mecinc.com
Updated
Sep 2026