| Business | Phone |
| Coastal Geotechnical Inc 327 3rd St, Laguna Beach 92651 | (949) 494-4484 |
| Geofirm 801 Glenneyre St # E, Laguna Beach 92651 | (949) 494-2122 |
| Ian S Kennedy Engineering 1461 Regatta Rd, Laguna Beach 92651 | (949) 494-8114 |
| Peter Borella Engineering 900 N Coast Hwy, Laguna Beach 92651 | (949) 494-3566 |
| Viageos 410 Broadway St # 208, Laguna Beach 92651 | (949) 494-2721 |