• AMA
• International Miniature Aerobatics Club
• International Miniature Aircraft Association
• International Radio Controlled Helicopter Association
• International Scale Soaring Association
• Jet Pilots Organization
• National Free Flight Society
• National Society of Radio Controlled Aerobatics
• Society of Antique Modelers
• Radio Control Combat Association
• Unlimited Scale Racing Association
• U.S. Scale Masters Association

Hobby Shops

• BuyAero
• eHobbies
• Global Hobby Distributors
• Hobby Barn
• Hobby Lobby International
• Hobby People
• HobbyTown USA
• Horizon Hobby Distributors
• OmniModels
• Richmond RC Supply (VMAR airplanes)
• Tower Hobbies

• Air Age Publishing
• Bob's Aircraft Documentation
  

Miscellaneous

• 1st US R/C Flight School
• Aircraft Images
• The R/C Web Directory
• Real Flight Simulator
• FMS FREE RC Simulator
  
  Forums
  RcUniverse #1 on the net

• Servo Calculator
• Conversion & Calculation

Manufacturers

• 3W Engines
• APC
• A.R.D. Enterprises
• Ace R/C
• Aerotech RC Models
• Aerotrend
• Aeroworks
• Air Flair
• Airtronics Inc.
• Astro Flight
• Advanced Micro Turbines
• Autogyro Co. of Arizona
• BME Engines
• BVM
• Balsa USA
• Bob Dively Models
• Boca Bearing
• Bolly
• Brodak
  
• CST Composites
• Cactus Aviation
• Carden Aircraft
• Carl Goldberg Models
• Century Jet Models
• Cermark
• Cline and Assoc.
• CompuFoil
• Conley Precision
• Coverite
• D&L Designs
• Dave Brown Products
  
• Desert Aircraft
• Dremel
• Du-Bro
• Duraplane
• EAM
• Electro Dynamics
• FMA Direct
• Fiberglass Specialties
• Fiberlay
• Fox Manufacturing
• Fuji Engines
• Futaba
• Giant Scale Planes
• Gila Signs
• Glennis Aircraft
• GMS
• Great Planes
• Hangar 9 
• Herr Engineering
  
• Hitec/RCD
• Hobbico
• Honey Composites
• InnoSol Inc.
• JK Aerotech
• JR
• Jet Hangar Hobbies
• Jett Engineering
• Just Canopies
• Just Engines
• K&A Models Limited
• Kavan
• Kyosho
• MDS
• MDW Aviation Associates
• MEC Model Electronics Corp.

• MECOA
• MPI
• Macs Products
• Maxcim Motors
• Master Airscrew
• Micro Fasteners
• Micro-Mark
• Midwest Products
• Modaire Industries
• Morgan Fuels
• Morris Hobbies
• Northeast Sailplane
• Novak Electronics
• OS Engines
• Pacific Aeromodel
• Phillip Avonds
• Pica
• Piorun Models
• Plane Talk
• Power Master
• Precision Aviation Design
• Precision Cut Kits
• Propwash Video
• Quadra Aerrow
• RA Cores
• R/C Direct
• RC Showcase
• RCV Engines
• Radio South
• Reids Quality Model Products
• Rich Uravitch
• Robart
• SR Batteries
• Saito
• Scale Stitts Covering and Paint
• Sig Manufacturing
• Stangel Engineering & Graphics
• Sullivan Products
• Super Tigre
• TNT Landing Gear Products
• Technopower
• Top Flite
• Trick R/C
• Tru-Turn
• US AirCore
• Wing Manufacturing
• X-Cell
• Yellow Aircraft
• Zenoah