| Business | Phone |
| Cal-Wal Gypsum Supply 125 N 9th St, Colton 92324 | (909) 824-0090 |
| Dietrich Industries Inc 2001 E Cooley Dr, Colton 92324 | (909) 824-9717 |
| La Cadena Building Materials 2700 S La Cadena Dr, Colton 92324 | (909) 825-1624 |
| Pokrajac Corp 12101 Riverside Ave, Colton 92324 | (951) 369-6500 |