Precision Gears Ltd
Gear and Gearbox manufacturer, specializing in gearbox overhaul. 24 hour rapid response, On-site Appraisal. New Zealand based.
http://www.gears.co.nz/

Hangzhou fada marine gearbox works
manufacturer of marine gearbox and associated transmissions parts.
http://www.chinahangzhougearbox.com/

The Speed Reducer and Gearbox Superstore
Save on over 5,000 new, used and rebuilt gearboxes and speed reducers
http://www.speedreducer.com

Overhaul Search, Inc.
Provides a listing of overhaul capabilities and pricing information. Registration required.
http://www.overhaulsearch.com/

Airmark Overhaul, Inc.
repairing and overhauling Textron Lycoming and Teledyne Continental piston engines. We are an FAA approved repair station.
http://www.airmarkoverhaul.com/

Brevini Latino Americana
planetary gearbox, wheel drive, crawler drive, slew drive, aerator drive, winch and winch drive, pump drive, hydraulic motor, motor gearbox.
http://www.brevini.com.br

Kite International Limited
Industrial Gas Turbine Component Repair
http://www.kite-turbines.com/

Honeywell Aerospace: Greer Repair & Overhaul
Honeywell's Greer Engine Services Center of Excellence provides a broad range Repair & Overhaul (R&O) services and capabilities for propulsion engines and component repair for commercial and military customers. Greer is also the OEM source for more than 300 part numbers. This facility has unmatched capabilities in supply chain and logistics management.
http://www.honeywellgreer.com

Asia Helical Gearbox
Producer of High Performance Gearboxes
http://www.asiahelicalgearbox.com/

Aero Gear, Inc.
Aero Gear is a manufacturer of gears, gearbox housings, gearshafts and assemblies for the aerospace industry. Ground, carburized and hardened spur, helical and spiral bevel gears are produced to AGMA Q13.
http://www.aerogear.com/