The document lists various American bicycle frame builders organized by state, including the materials they use to build frames, such as steel, titanium, aluminum, and carbon fiber. Materials vary between builders, with most specializing in one or two materials like steel or titanium. The builders span many US states and produce road, mountain, and custom bikes.

2. Gaulzetti – Massachusetts – Aluminum Geekhouse Bikes – Massachusetts – Steel
Groovy Cycleworks – Ohio – Steel, Titanium, Aluminum
Generic Cycles – Colorado- Titanium

3. Gunnar Cycles – Wisconsin – Steel Handsome Cycles - Minnesota – Steel
Hubcap Cycles – Pennsylvania – Steel, Titanium Hunter Cycles – California – Steel

4. Igleheart Custom Frames and Forks – Massachusetts – Steel Independent Fabrication – New Hampshire – Steel, Titanium
Inglis Cycles – California – Steel Intense Cycles – California – Aluminum

5. Ira Ryan Cycles – Oregon – Steel Justice Madison Cycles – Tennessee – Steel
K.Bedford Customs – New York – Steel, Titanium Kent Eriksen Cycles – Colorado – Titanium

6. Kesho Bicycles – Oregon - Steel KirkLee Cycles – Texas – Carbon Fiber
Kish Fabrication – North Carolina – Titanium, Steel La Suprema – Arizona – Steel

7. Lenz Sport – Colorado – Aluminum Litespeed - Tennessee – Titanium
Lynskey Performance Designs – Tennessee – Titanium
Lucid Cycles – Utah – Steel

8. Matthews Custom Cycles – New Mexico – Steel McShane Bikes – Pennsylvania – Steel, Aluminum, Titanium
Meech Custom Cycles – Arkansas – Steel Moots – Colorado – Titanium

9. Mosaic Cycles – Colorado – Titanium, Steel Mountain Cycle – California – Aluminum
Muse Cycles – California – Steel NTP Bikes – California – Titanium

10. O’Leary Bicycles – OS Bikes – Oswald Cycle Works –
New Mexico – Steel California – Steel Pennsylvania – Steel

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