| Business | Phone |
| A & B Electric 176 W Walnut Ave # D, Rialto 92376 | (909) 873-9169 |
| Carter's Electric 635 N Riverside Ave, Rialto 92376 | (909) 875-8971 |
| Etco Co 201 E Van Koevering St, Rialto 92376 | (909) 823-4271 |
| Etcu Electric 3098 N Ashford Ave, Rialto 92377 | (909) 822-3738 |
| Yebjus Electrical Construction 254 N Glenwood Ave # A, Rialto 92376 | (909) 562-6181 |