| Business | Phone |
| Diablo Valley Literacy Council 4000 Clayton Rd, Concord 94521 | (925) 685-3881 |
| Knowledge Points Affordable 785 Oak Grove Rd, Concord 94518 | (925) 548-3302 |
| Kumon Math & Reading Center 1460 Washington Blvd # B203, Concord 94521 | (925) 672-8864 |
| Ms Bonnie's Tutoring Po Box 272465, Concord 94527 | (925) 586-8829 |