- American Eagle Mountain Bikes
 - Highlights their newest line of high performance mountain bikes. - Canfield Brothers
- Downhill bike specialists.
- Christini Technologies
- Developers of all-wheel drive mountain bikes that utilize a rigid internal shaft to power the front wheel.
- Galeoto Speed Bikes
- Maker of downhill bikes.
- Gary Fisher
- Official site features dealer listing, news, product line, and a ride customizer.
- HM Bike
- Manufacturer of high-end mountain bikes.
- Hot Chili
- Makers of mountain bike frames and components.
- Intense Cycles
- Designs and builds full-suspension mountain bikes.
- Ionic Mountain Bikes
- Full suspension and hardtail mountain bikes handcrafted from titanium, aluminum or steel.
- Kona Mountain Bikes
- Bike maker with tech information, a dealer locator, and team news.
- Mountain Cycle
- Manufacturer of custom monocoque frames for mountain bikes.
- Psycle Werks
- Home of Wild Hare, Wild Hare XC and Mad Dog mountain bike frames and components.
- Santa Cruz Bicycles
- Makers of full suspension mountain bikes, road bikes, and more.
- SofaKing Cycles
- Stock and custom mountain bike frames. Specializing in single speeds.
- Spicer Industries, Inc.
- Mountain bike manufacturer and maker of the patented two wheel drive all terrain bicycle.
- Titus Cycle Systems
- Custom bicycle manufacturer offering aluminum frames for any and all riders and terrains.
- Tomac
- Turner Suspension Bicycles
- Ventana Mountain Bikes USA
- Designs and builds full suspension and rigid aluminum mountain bikes and mountain tandems.
- Wilderness Trail Bikes
- Manufacturer of a variety of mountain bike components.
- Yeti Cycles
- Handcrafted mountain bikes.
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