| Business | Phone |
| Larry R Groves Brentwood 94513 | (925) 634-5425 |
| Tomasello Yard Maintenance 547 Birchwood Rd, Brentwood 94513 | (925) 240-5415 |
| Universal Lawn & Pest Control 300 Balfour Rd, Brentwood 94513 | (925) 753-1957 |
| Van Siegman Landscapes Po Box 834, Brentwood 94513 | (925) 634-6300 |