Ace Hobby Distributors
(distributor - Thunder Tigre aircraft ARF's, Raptor helicopter and Ace RC products)

AeroWorks
(giant scale aerobatic aircraft)

Airborne Models LLC
(division of World Model Mfg)

Aircraft International
(a source for 3W giant scale engines and planes)

Airfoil Aviation
(radio controlled parafoil and parachute kits)

AirKill Products
(1/12th scale combat warbirds)

Arizona Models
(early and vintage flying scale kits, spoked wheels, instrument detail kits, vintage engine kits, even a set of Wright Flyer kits in various sizes)

Balsa USA

Bolly Planes
(manufacturer of a wide range of aerobatics-related and giant-scale products, kits, props, pipes, and the "Hovering Cobra" 3D practice plane)

Brodak.com
(control line kits, accessories and Brodak paints)

BVM - Bob Violett Models
(lots of jet kits, general info on the RAM and JPX turbines, gallery of pictures and event schedule)

Cactus Aviation
(distributor of 3W motors and giant scale kits)

Carden Aircraft
(giant scale aerobatic aircraft)

Carl Goldberg Models

Central Hobbies
(distributor - pattern aircraft and related products)

Cermark Inc.

Dave Brown Products

Desert Aircraft
(giant scale aerobatic aircraft)

Doug's Hobby Shop
(distributor - aircraft, cars, marine)

Dynaflite
(sailplanes, hand-launched gliders, power planes)

East Coast Model Center
(Canadian "mega-distributor")

FiberClassics
(giant scale aerobatic and competition scale aircraft)

(blimp-based RC photography and real-time video downlink systems)

Glennis Aircraft
(manufacturer of really nice looking scale wheels with r/c brake systems for vintage, warbirds and jets)

Graupner Models

Great Planes Model Manufacturing Company
(distributor - aircraft, boats, tools, materials)

Hangar 9
(ARF and VRTF power kits.)

Herr Engineering Corporation
(free flight built-up kits, convertible to small r/c)

Hobbico
(distributor)

Hobby Hangar
(distributor)

Hobby Hobby
(a large Canadian distributor of many types of RC kits and equipment)

Hobby Lobby
(distributor - electric kits, ARF's, electric motors and supplies, sailplanes, power, materials and tools)

Hobby Pit
(UK based Internet hobby distributor)

House of Balsa

Iron Bay Model Company
(a mole told me this is the new home of the legendary Byron model line, with new ones being introduced soon)

JD Model Products
(distributor - ducted fan jet kits)

Jet Hangar Hobbies
(distributor - jet kits and supplies)

Kyosho
(power planes, cars and electrics)

Larsen RC Products
(Dick Larsen Retracts + custom machine work)

Magma International
(EZ, Pilot, Apex, MK ARF's and kits)

Midwest Products
(trainer, aerobatic and scale kits)

Mike's Hobby Shop Superstore
(distributor)

ModAire Industries
(giant scale)

Model Specialties
(giant scale kits of the T-34 Mentor, Learjet 35A and F4D-1 Skyray)

Morris Hobbies
(profile fun-fly kits and equipment)

Northeast Aerodynamics Inc.
A nice selection of laser cut balsa kits and ARFs, mostly fuel powered, but a few electrics and gliders as well. Also sells plans, electronics, and custom laser cutting services.

Pacific Aeromodel Mfg
(ARF kits - scale and pattern, not trainers!)

Planes Plus
(distributor - turbine aircraft kits, various motors and turbine engines, jet cockpits)

Precision Aviation Design
(Bob Godfrey's giant scale and "normal" size kits)

Robart
(retractable landing gear systems)

Robbe Modellsport
(English home page - make sure to read the "here are a few tips..." link for navigation instructions)

Roedelmodell-Technik
(German manufacturer of scale and giant scale sailplanes and power planes)

SIG Manufacturing Company

Thorp SEEOP Corporation
(manufacturer of the SpinWing and other interesting RPV/UAV type craft)

Thunder Tiger Model Company
(power plane ARF's)

Tower Hobbies
(distributor)

Trim Aircraft
(distributor - several ducted fan and turbine jet kits, and resellers of the AMT and RAM turbines)

U.S. Aircore
(power/sport)

WingTote
(Carrying bags for wings, helicopters and custom bags)

Winship Models
(mostly control line aircraft, with some good hardware and prop construction tips)

Yellow Aircraft Manufacturing
(scale prop and ducted fan jet kits, including an F-14 Tomcat with inflight wing sweep on the boards!)

ZNLine
(European manufacturer of pattern and IMAC aircraft, kits and pre-built, also carbon-fiber spinners)