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  7. Diversified Manufacturing
Diversified Manufacturing logo

Diversified Manufacturing

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Lockport, NY 14094
716-374-4573
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At a glance

Employee size
51-200
Organization type
Privately Held
Headquarters
Lockport, NY
Founded
1955

About

Founded in a 250-square-foot Lockport garage in 1955, Diversified Manufacturing now engineers and builds thermal equipment—particularly custom heat exchangers and pressure vessels—alongside the fabrication and machining needed to bring them from concept to production. Its 160,000-square-foot New York facility also supports industrial cooling products and equipment remanufacturing for local and international customers. The company holds ISO 9001:2015 and ASME certifications, including the ASME U and PP stamps.

Capabilities and markets

Products

Manufacturing processes

Materials worked

Service offerings

Economic activities

End markets served

Energy segments

Grid ComponentsHydrogen Production

Directory supply chains

Classification

NAICS codes

Certifications and registrations

Certifications

  • ISO 9001:2015

  • ASME Certificate of Authorization (U)

  • ASME Certificate of Authorization (PP)

  • Certificate of Authorization (Repair)

  • EU-Type Examination Certificate

  • ASME Code

    Compliance program

  • TEMA

    Compliance program

  • European PED (CE)

    Compliance program

  • China Manufacturing License

    Registration

  • Korean Gas Safety (KGS)

    Registration

  • Canadian Registration Number (CRN)

    Registration

  • API 614

    Compliance program

  • API 660

    Compliance program

  • API 661

    Compliance program

  • API 714

    Compliance program

  • ASMEU

    Quality certification

  • ASMEPP

    Quality certification

  • CEMARKING

    Quality certification

  • PED

    Quality certification

  • KGS

    Quality certification

Related manufacturers

  • J.D. Cousins, Inc logoJ.D. Cousins, IncFounded in Buffalo in 1867 as a machine builder, J.D. Cousins now designs and fabricates custom heat exchangers and pressure vessels for industrial production plants. The family-owned company has operated at its current Buffalo location since 1904, expanded to more than 25,000 square feet, and has maintained ASME Code certification since earning it shortly after World War II. Its engineers and welders build equipment to project-specific requirements, including oversized and specialty-material designs, for customers across the United States and internationally.BUFFALO, NY
  • KAM Thermal Equipment, Ltd logoKAM Thermal Equipment, LtdFounded in Brooklyn in 1906, KAM Thermal Equipment is a fourth-generation, family-owned manufacturer of custom shell-and-tube heat exchangers, designed and built in New York for industrial and commercial systems. The company also makes exact-match replacement tube bundles, including reproductions for obsolete or undocumented equipment from other manufacturers. Its units are manufactured in the USA to ASME Section VIII, Division 1 and TEMA requirements.BOHEMIA, NY
  • HM
    Hetrick Mfg., Inc
    Founded in Lower Burrell, Pennsylvania, in 1974, Hetrick Mfg., Inc. is a third-generation, family-owned manufacturer of custom heat exchangers and ASME pressure vessels. It thermally rates, mechanically designs, and fabricates this equipment in-house, operating from a 40,000-square-foot shop with a 30-ton crane.LOWER BURRELL, PA
  • Atlantis Equipment Corporation logoAtlantis Equipment CorporationFor more than five decades, Atlantis Equipment Corporation has served industrial customers from Stephentown, New York, with the in-house staff and equipment to handle complex manufacturing work. The company is particularly known for its ASME-certified pressure-vessel work, while its broad shop integration also supports custom machine building for demanding projects.STEPHENTOWN, NY
More manufacturers in New York

Contact information

Website

dmimfg.com

Emails

  • asteighner@DMImfg.com
  • bmladenovic@DMImfg.com

Phone numbers

  • 716-374-4573
  • 716-432-7396

Social

Locations

Diversified Manufacturing location map for 410 OHIO ST

410 Ohio St

Lockport, NY 14094

Niagara County

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Directory source

Source
dmimfg.com
Updated
Sep 2026