| # | Name | Location | Applications |
|---|---|---|---|
| 1. | C-K Engineering, Inc. | 🇺🇸 Ballwin, MO, United States | 2 |
| 2. | CK-EXOGENE CO., LTD. | 🇰🇷 Seoul, South Korea | 1 |
| 3. | CKE Management, LLC dba C. Krueger's Finest Baked Goods | 🇺🇸 Columbus, OH, United States | 1 |
| 4. | CKE Technologies Inc. | 🇨🇦 Quebec, Canada | 1 |