| # | Name | Location | Applications |
|---|---|---|---|
| 1. | BLH Ecology Concepts, L.L.C. | 🇺🇸 Granbury, TX, United States | 1 |
| 2. | BLH ECOLOGY CONCEPTS, LLC | 🇺🇸 Tolar, TX, United States | 1 |
| 3. | BLH Technologies, Inc. | 🇨🇦 Halifax, NS, Canada | 4 |
| 4. | BLH Technologies, Inc. | 🇨🇦 Halifax, Canada | 2 |
| 5. | BLH Technologies, Inc. | 🇨🇦 Halifax, Nova Scotia, Canada | 4 |