| Business | Phone |
| Alpha Business Communications 16285 Barbee St, Fontana 92336 | (909) 428-9441 |
| Millennium Internet Svc 9135 Kaiser Ave, Fontana 92335 | (909) 829-0974 |
| Netfragz 13518 Baseline Ave # D, Fontana 92336 | (909) 463-3012 |
| Ocean Microsystems 14878 Maine St, Fontana 92336 | (909) 900-2552 |
| Oracle Pc Net 17250 Foothill Blvd, Fontana 92335 | (909) 350-4638 |
| Satsem Enterprises 15584 Northstar Ave, Fontana 92336 | (909) 428-5751 |
| Autoresponder Host 14342 Caryn Cir, Fontana 92336 | (909) 427-1165 |