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  7. Cincinnati Steel Treating Company
Cincinnati Steel Treating Company logo

Cincinnati Steel Treating Company

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Cincinnati, OH 45227
513-271-3173
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At a glance

Employee size
11-50
Organization type
Privately Held
Headquarters
Cincinnati, OH
Founded
1941

About

Serving manufacturers from its Cincinnati-area facility since 1941, Cincinnati Steel Treating Company provides commercial heat treating that improves the durability and service life of gears, shafts, and other metal components. The company is especially known for gear hardening and for vertically processing long, slender parts with reduced distortion, while its staff includes a degreed metallurgist and an in-house laboratory. CST serves customers across the Midwest and beyond and maintains IATF 16949:2016 and ISO 14001:2015 registrations.

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

  • IATF 16949:2016

  • ISO 14001:2015

  • ITAR Registered

    Registration

  • ISO 9001

  • AMS 2750

    Compliance program

  • MIL-S-12515

    Compliance program

  • AMS-H-6875

    Compliance program

  • AMS 2759

    Compliance program

  • AMS 2770

    Compliance program

  • MIL-S-6090

    Compliance program

Related manufacturers

  • General Metal Heat Treating logoGeneral Metal Heat TreatingIndependent and owner-operated since 1942, General Metal Heat Treating has built its Cleveland reputation on careful craftsmanship and customer referrals. The company provides heat treating for manufacturers whose parts must meet demanding requirements, with quality systems certified to ISO 9001:2015/AS9100D and Nadcap AS7102.CLEVELAND, OH
  • Akron Steel Treating Company logoAkron Steel Treating CompanyFounded by Prosper P. Powell in 1943, Akron Steel Treating Company grew from a garage heat-treating firing pins into an Akron specialist in industrial heat treating and metallurgical consulting. Its 46,000-square-foot facility now serves more than 1,200 customers a year, pairing decades of craftsmanship with computer-controlled processing and documented quality programs. Akron Steel Treating holds NADCAP and ISO 9001:2015 certifications and is ITAR registered.AKRON, OH
  • P&L Heat Treating logoP&L Heat TreatingP&L Heat Treating provides industrial and commercial heat treatment services for metal parts from its 32,000-square-foot facility in Youngstown, Ohio. The company reports nearly five decades of experience and operates state-of-the-art furnaces and testing equipment to process customers’ components.YOUNGSTOWN OH, OH
  • USA Heat Treating logoUSA Heat TreatingEstablished in 2002, USA Heat Treating provides commercial heat treatment for manufacturing-industry customers. The Cleveland company describes expertise in heat treating and reports more than 425 years of combined employee experience; it emphasizes quality and turnaround and says it is certified to ISO 9001 IAF MLA to meet IATF automotive supplier requirements.CLEVELAND, OH
More manufacturers in Ohio

Contact information

Website

steeltreating.com

Emails

  • cst@steeltreating.com
  • sales@steeltreating.com

Phone numbers

  • 513-271-3173
  • 513-271-3510

Social

Locations

Cincinnati Steel Treating Company location map for 5701 MARIEMONT AVE

5701 Mariemont Ave

Cincinnati, OH 45227

Hamilton County

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Directory source

Source
steeltreating.com
Updated
Sep 2026