| Business | Phone |
| Langford Land Surveying 4203 Macarthur Blvd, Oakland 94619 | (510) 530-5200 |
| Montclair Land Surveying 5942 Johnston Dr, Oakland 94611 | (510) 339-3507 |
| Pls Surveys Inc 2220 Livingston St # 202, Oakland 94606 | (510) 261-0900 |
| Samuel Kushner Land Surveyor 21 Diaz Pl, Oakland 94611 | (510) 339-1728 |
| Storrs Land Surveying 2647 International Blvd, Oakland 94601 | (510) 532-3501 |
| Towill Inc 2220 Livingston St # 208, Oakland 94606 | (510) 534-4151 |
| William Laird Surveying 1834 Brentwood Rd, Oakland 94602 | (510) 482-3151 |