| Business | Phone |
| City Of Concord Public Works 1455 Gasoline Aly, Concord 94520 | (925) 671-3448 |
| Pleasant Hill Public Works 100 Gregory Ln, Concord 94523 | (925) 671-5264 |
| A O Metro Stripe & Seal 4057 Lucas Ln, Concord 94521 | (925) 682-7097 |
| Collins Striping & Asphalt Concord 94520 | (925) 686-2191 |
| D H Striping Po Box 200, Concord 94522 | (925) 684-2077 |
| Roadway Specialties 1224 Stafford Ave, Concord 94521 | (925) 686-5989 |