- Rivendell Bicycle Works
 - Featuring handbuilt steel Rivendell, Atlantis, and Rambouillet frames, designed by Grant Petersen, as well as components and accessories. - Seven Cycles
- Specialising in the manufacture of titanium, carbon, and steel custom frames.
- Independent Fabrication (2)
- Principia
- Handmade aluminium bike frames for road biking, mountain biking, and triathlons.
- Strong Racing Frames
- Custom handmade road and mountain bike frames and complete bikes.
- Steelman Cycles
- Custom road, mountain, and cyclocross frames.
- Davidson Handbuilt Bicycles
- Custom titanium and steel frames.
- Vanilla Bicycles
- Handcrafted road, mountain, touring, cyclocross, track, and other bikes built in Southeast Portland.
- Land Shark Bicycles
- Custom built and painted steel road, touring, and mountain frames.
- R+E Cycles
- Makers of Rodriguez custom, women's, and tandem bicycles, and accessories. Also provides custom paint jobs and hand built wheels.
- Cherry Bicycles
- Handcrafted titanium and steel bicycles, frame sets and frames.
- Thick Bicycle Products
- Custom frame builder specialising in burly BMX, freestyle, and mountain bike chrome-moly creations.
- North American Hand Made Bicycle Show
- Annual event displaying the talents of notable bicycle frame builders from North America and beyond.
- Teesdale, Tom
- Building road, mountain, cyclocross, track, and tandem bikes.
- Lyonsport
- Big Fish cross frames, and Lyon custom road, single-speed, and cyclo-cross frames, stems, and accessories from framebuilder Jeff Lyon.
- Hunter Cycles
- Handmade steel mountain, road, and cyclocross frames.
- Bicycle Specialties
- Purveyors of classic touring and racing components, as well as builders of Mariposa and Alcyon frames.
- Ti Cycles (2)
- Brew Racing Frames
- Manufacturers of custom mountain, road, and BMX bikes, along with aftermarket components.
- Courtney Custom Cycles
- Custom lugged or fillet brazed steel frames.
- Suncoast Bicycles Plus, Inc.
- Custom tailored precision, mountain, and road bikes.
- CruiserDesigner.com
- Design an adult size cruiser or chopper style bicycle.
- Fidusa Cycles
- Handmade road and mountain bikes for professionals.
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