| Business | Phone |
| Alameda Chemical 860 81st Ave, Oakland 94621 | (510) 568-7338 |
| Alameda Chemical 86080 Oakland Ave, Oakland 94621 | (510) 568-7338 |
| E T Horn Co 2135 Frederick St, Oakland 94606 | (510) 532-8680 |
| Process Solutions 188 Marlow Dr, Oakland 94605 | (510) 569-7402 |