| Business | Phone |
| Angelus Oxygen & Equipment Co 5221 Telegraph Rd, Los Angeles 90022 | (323) 263-5103 |
| Bar-Made Products Co 4413 W Jefferson Blvd, Los Angeles 90016 | (323) 731-5390 |
| Angelus Oxygen & Equipment Co 5221 Telegraph Rd, Los Angeles 90022 | (323) 263-5101 |