Akron Steel Treating Company

ALD Thermal Treatment, Inc.

Bennett Heat Treating & Brazing Co., Inc.

Best Technology Inc.

Bodycote Thermal Processing - Melrose Park

Certified Steel Treating

Cincinnati Steel Treating--CST

Dayton Forging and Heat Treating

East-Lind Heat Treat, Inc.

Euclid Heat Treating

General Metal Heat Treating, Inc.

Gibbs Gears Precision Engineers

Heat Treating Services Corporation of America

Hi TecMetal Group

Hudapack Metal Treating

IHI Ionbond Inc.

Industrial Pulley & Machine Co, Inc.

JVL Industri Elektronik A/S

Kaydon Corporation Bearings (A SKF Brand)

Kiesler Machine Inc.