Reliance Aerotech Inc.
- Helicopter maintenance and technical support. Structural work, software development, mechanical and electrical design.
- http://www.relianceaerotech.com/

Kite International Limited
- Offers fuel nozzle overhaul and repair and standard gas turbine component overhaul, repair and supply. Specializing in Rolls Royce, Avon and GE parts.
- http://www.kite-turbines.com/

Chadwick-Helmuth
- Helicopter design and products involving aircraft vibration, propeller vibration and helicopter systems.
- http://www.chadwick-helmuth.com/

Western Helicraft
- Helicopter repair and overhaul, line and field maintenance, part sales.
- http://www.westernhelicraft.com

Heli-Support, Inc.
- Maintenance and overhaul facility for Eurocopter and Turbomeca. Manufacture and supply STC/PMA equipment to ease pilot fatigue and enhance utility operations.
- http://www.helisupport.com

Heliquip (Pty) Ltd
- Providing maintenance, sales, management of, and spares for helicopters. Details of company history, aircraft for sale and services provided. Includes a spare part lookup facility. Located in South Africa.
- http://www.heliquip.net/

Helicopter Support
- Repair and overhaul center for Sikorsky, Robinson, and Schweizer helicopters in Orange, Connecticut.
- http://www.hsius.com/

Dangle Aviation
- Offering a complete range of Sikorsky S58/S58T helicopter parts, an FAA approved overhaul shop.
- http://www.dangleaviation.com

Canadian Heli Structures Ltd.
- Bell Helicopter approved airframe repair facility, specializing in helicopter structural repairs.
- http://www.helistructures.com/index.html

Composite Technology, Inc.
- Factory authorized rotor blade repair service center. Offers blade sale/lease/exchange, field repairs, and warranty.
- http://www.rotorblades.com/

Helitune
- Providing rotor track and balance equipment. UK
- http://www.helitune.com/

International Aviation Composites
- Inspection and repair of main and tail rotor blades.
- http://www.iac-ltd.com/

Heli-Dyne Systems
- Equipment for air medical and executive transport.
- http://www.heli-dyne.com/

PowerCheck
- Helicopter engine power checking and testing software.
- http://www.v-planner.com/powercheck/

Helispares
- Component exchange and parts support for Bell, Sikorsky and Eurocopter helicopters. UK
- http://www.helispares.com

Helicopter Support Limited
- International Sales of Rolls Royce Allison 250 series engines.
- http://www.allisonforsale.com

Aero Products Component Services
- Offers Bell helicopter component overhauls including aero products, maintenance, parts and spares.
- http://www.aeroproducts.com/

Helicopter Spares Inc.
- Buys and sells FAA-PMA, PMA, new surplus and new spare parts for the model 47 helicopter.
- http://www.helicoptersparesinc.com/

Helicopter Specialties, Inc.
- Specialized in customizing helicopters, maintenance, repairs. FAA Repair Station, Robinson Service Center.
- http://helicopterspecialties.net

Heli Tow Cart
- Specalized in ground handling carts for Robinson helicopters.
- http://www.helitowcart.com

HP Aviation Inc
- Supplies helicopter parts for Bell, Sikorsky, and Eurocopter worldwide. Florida
- http://www.hpaviation.com

Heli-Tech
- FAA Repair Station for MD Hughes 500, Schweizer 300, Bell 206. Overhauls, major and minor repairs, components, parts. Florida
- http://helitechinc.com/

Alpine Aerotech
- Design and manufacture of Bell approved helicopter upgrades as well as structural repairs and overhauls. Canada
- http://www.alpineaerotech.com/

AeroMaritime America Inc.
- Overhauls and repairs Rolls Royce/Allison 250 turbine engines.
- http://www.aeromarusa.com/

Motorflug
- Authorized Service Center for Agusta, Bell, Eurocopter. Germany
- http://www.motorflug.com/