Climbing Gyms/Gym Products
Climb It Holds
Hanger 18 (Indoor climbing gym in Upland, CA)
Stone Age Climbing

Equipment Manufacturers
Beal Ropes
Black Diamond
Blue Water
DMM
Five Ten
Grivel
La Sportiva
Mammut
Metolius
Mountain Hardwear
Omega Pacific
Patagonia
Petzl/Charlet Moser
Prana
The North Face
Trango
Wild Country

Retailers/Distributers
Mountain Gear
Mountain Tools
REI

Publications
Climbing Magazine (Has some "how to" information)
Rock and Ice Magazine
Rockclimbing.com

Non-Profit Organizations
The Access Fund
American Safe Climbing Assoc. (The Replacement Initiative)