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  7. Effox-Flextor-Mader (EFM)
Effox-Flextor-Mader (EFM) logo

Effox-Flextor-Mader (EFM)

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Cincinnati, OH 45246
513-874-8915
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At a glance

Headquarters
Cincinnati, OH

About

Effox-Flextor-Mader (EFM) designs and manufactures engineered-to-order dampers and expansion joints for flue-gas and process-air handling systems. The company says its brand has been a world leader for four decades and operates 145,000 square feet of captive shops in the United States, alongside global fabrication partners. Its equipment is used in emissions-control and power-generation applications, and it also provides installation, maintenance, and aftermarket support.

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

  • AISC (American Institute of Steel Construction)

  • AWS (American Welding Society)

  • CWB (Canadian Welding Bureau)

  • ISO 9001:2008

  • CE Compliant

  • DuPont Certified Supplier of VITON Fluoroelastomer Expansion Joints

  • NACE Certified Finishing Services

  • AWS

    Quality certification

  • CWB

    Quality certification

  • CE

    Quality certification

Related manufacturers

  • Bachmann Industries, Inc logoBachmann Industries, IncBachmann Industries, Inc. designs and supplies engineered air-gas handling equipment, including custom dampers and gas turbine exhaust systems. Its history traces to industry pioneer Lothar Bachmann’s work beginning in the 1970s, and the company was organized in the early 1990s; it relies on a global network of qualified fabricators to serve projects worldwide.PHILADELPHIA, PA
  • Mercer Rubber Company logoMercer Rubber CompanyEstablished in 1866, Mercer Rubber Company manufactures rubber expansion joints and flexible connectors for demanding piping and duct systems. The Hauppauge company is the oldest U.S. manufacturer of rubber expansion joints, with more than six decades focused on the field and about 70% of its work customized to specific design requirements. Its engineers and in-house fabrication team also support unusually large applications, including a 96-inch pressure-balance installation for a Malaysian power plant.HAUPPAUGE, NY
  • Lloyd Industries logoLloyd IndustriesSince 1981, Lloyd Industries has manufactured fire dampers and other life-safety HVAC products from its original facility in Montgomeryville, Pennsylvania. The company now also operates a 46,000-square-foot manufacturing and warehouse facility in Orange Park, Florida, while its UL-tested and approved products have been used in projects ranging from the Chrysler Building to Yankee Stadium. Lloyd makes its products to order and serves a growing customer base through manufacturing operations in the United States and Hong Kong.MONTGOMERYVILLE, PA
  • Adsco Manufacturing LLC logoAdsco Manufacturing LLCSince 1877, Adsco Manufacturing has designed and made industrial expansion joints that accommodate thermal movement in demanding piping systems. Born from the first district heating system in Lockport, New York, Adsco’s engineers invented the expansion joint itself and still build custom slip-type and bellows solutions for industries ranging from power generation to chemical processing. The Buffalo manufacturer’s history remains closely tied to practical engineering: solving a problem in steam piping and refining that solution for modern industrial service.BUFFALO, NY
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Contact information

Website

efmequipment.com

Phone numbers

  • 513-874-8915
  • 450-449-9882

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Locations

Effox-Flextor-Mader (EFM) location map for 9759 INTER OCEAN DR

9759 Inter Ocean Dr

Cincinnati, OH 45246

Butler County

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Effox-Flextor-Mader (EFM) location map for 455 N MAIN ST

455 N Main St

Grafton, OH 44044

Lorain County

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Directory source

Source
efmequipment.com
Updated
Sep 2026