| Company Name | Type of Gear | Logo |
| Advanced Base Camp | Vertical Gear (Manufacturer) |
|
| Anthron | Vertical Gear (Manufacturer) |
|
| Auriga | Cave Surveying Software for the Palm Pilot | Auriga |
| B&C Wunderwear | Custom Coveralls |
B&C Wunderwear, Inc.
|
| BlueWater | Rope (Manufacturer) |
|
| BMS Rescue Equipment | Vertical Gear (Manufacturer) |
|
| Bob & Bob | All Caving Gear |
|
| CMI | Vertical Gear (Manufacturer) |
|
| Compass | Cave Surveying Software |
|
| Edelweiss | Caving Ropes and Packs (Manufacturer) |
|
| Glowbug | Headlamps |
|
| Gonzo Guano Gear | All Caving Gear |
|
| Howie's Harnesses | All Caving Gear |
|
| Inner Mountain Outfitters | All Caving Gear |
|
| KarstSports | All Caving Gear |
|
| Kong | Vertical Gear (Manufacturer) |
|
| Lost Creek Packs | Packs & Coveralls |
|
| Mammut | Vertical Gear (Manufacturer) |
|
| NSS Bookstore | Caving Books |
|
| Omega Pacific | Vertical Gear (Manufacturer & Retail) |
|
| On Rope 1 | Vertical Gear |
|
| Pelican | Waterproof Lights and Cases (Manufacturer) |
|
| Petzl | Vertical Gear and HeadLamps (Manufacturer) |
|
| PMI | Rope |
|
| Seattle Manufacturing Corporation | Vertical Equipment (Manufacturer) |
|
| Single Rope Technique Equipment | Vertical Equipment, specifically their Stop Descenders (Manufacturer) |
|
| Skedco | Rescue Equipment (Manufacturer & Retailer) |
|
| Speleobooks | Caving Books |
|
| Sterling Rope | Rope (Manufacturer) |
|
| WinKarst | Cave Surveying Software |
|