| # | Name | Location | Applications |
|---|---|---|---|
| 1. | B L Partnership | 🇺🇸 Charlestown, MA, United States | 1 |
| 2. | BL Patens, LLC | 🇺🇸 Lake Oswego, OR, United States | 1 |
| 3. | BL Patents, LLC | 🇺🇸 Lake Oswego, OR, United States | 1 |
| 4. | BL PHOTONICS INC. | 🇨🇦 Winnipeg, Manitoba, Canada | 1 |
| 5. | BL-Pegson Ltd. | 🇬🇧 , United Kingdom | 1 |
| 6. | BLP Components, Limited | 🇬🇧 Newmarket, United Kingdom | 1 |
| 7. | BLP, Inc. | 🇺🇸 Little Rock, AR, United States | 1 |