Services - Bevel Gear Manufacturing
- Arrow Gear Company
- Abundant Manufacturing, Inc.
- American Gear, Inc.
- B&R Machine and Gear Corporation
- Buffalo Gear, Inc.
- C-B Gear & Machine, Inc.
- Carnes-Miller Gear Co., Inc.
- Gear Motions, Inc.
- Havlik International Machinery, Inc.
- High Performance Gear
- Lawler Gear Corp.
- Mechanical & Structural Design & Software
- Midwest Gear Corp.
- Niagara Gear Corporation
- Nixon Gear, Inc.
- Oliver Gear, Inc.
- Perry Technology Corp.
- STD Precision Gear & Instrument, Inc.
- The Gear Works - Seattle, Inc.
- United Gear & Assembly, Inc.
- mG miniGears
- Allied Sinterings, Inc.
