| # | Name | Location | Applications |
|---|---|---|---|
| 1. | R-CO Inc. | 🇨🇦 Winnipeg, Manitoba, Canada | 1 |
| 2. | R-Coating, Inc. | 🇺🇸 North Conway, NH, United States | 2 |
| 3. | r-coupon.com, Inc. | 🇺🇸 Palo Alto, CA, United States | 1 |
| 4. | R. Conrader Company | 🇺🇸 Erie, PA, United States | 4 |
| 5. | RCO Engineering | 🇺🇸 Roseville, MI, United States | 1 |
| 6. | RCO Enginerring | 🇺🇸 Roseville, MI, United States | 1 |
| 7. | RCO2 Washington, Inc. | 🇺🇸 Seattle, WA, United States | 1 |
| 8. | Rcokwell Collins, Inc. | 🇺🇸 Cedar Rapids, IA, United States | 1 |
| 9. | RCOM Corporation | 🇯🇵 Tokyo, Japan | 1 |