| Business | Phone |
| Bones-Smejkal Construction Inc 3525 Tupelo Dr, Walnut Creek 94598 | (925) 934-7464 |
| Carl's Custom Concrete Walnut Creek 94596 | (925) 935-0837 |
| Creative Concrete 1657 Crescent Dr, Walnut Creek 94598 | (925) 932-8990 |
| Gonzales Concrete Construction Walnut Creek 94596 | (925) 939-5511 |
| Quality Concrete & Landscaping Walnut Creek 94596 | (925) 639-0204 |