| # | Name | Location | Applications |
|---|---|---|---|
| 1. | 3E CO. LTD. | 🇰🇷 Gyeonggi-Do, South Korea | 1 |
| 2. | 3E CO., LTD. | 🇰🇷 Seongnam-si, South Korea | 4 |
| 3. | 3E COMPANY ENVIORNMENTAL, ECOLOGICAL AND ENGINEERING | 🇺🇸 Carlsbad, CA, United States | 1 |
| 4. | 3E COMPANY ENVIRONMENTAL ECOLOGICAL & ENGINEERING | 🇺🇸 Carlsbad, CA, United States | 1 |
| 5. | 3E Company Environmental, Ecological and Engineering | 🇺🇸 Carlsbad, CA, United States | 1 |