| Business | Phone |
| Altamont Landscape Svc 5540 Starboard Ct, Discovery Bay 94514 | (925) 634-0311 |
| Construction Maintenance 2322 Cambridge Dr, Discovery Bay 94514 | (925) 513-3972 |
| Discovery Bay Landscape Svc 1760 Surfside Pl, Discovery Bay 94514 | (925) 634-2801 |