| Business | Phone |
| Crc Enterprises 27600 Bouquet Canyon Rd # 200, Santa Clarita 91350 | (661) 297-2336 |
| J T Engineering 33336 Agua Dulce Canyon Rd, Santa Clarita 91390 | (661) 268-8899 |
| S R Consultants Inc 25322 Rye Canyon Rd # 201, Santa Clarita 91355 | (661) 257-6570 |
| William Rose & Assoc 25141 Rye Canyon Loop, Santa Clarita 91355 | (661) 295-3590 |
| Michael Jauregui Civil Engr Santa Clarita 91321 | (661) 254-2265 |
| D K Engineering 27727 Spandau Dr, Santa Clarita 91350 | (661) 296-8966 |
| Rothman Engineering 21704 Golden Triangle Rd, Santa Clarita 91350 | (661) 253-2011 |
| Rothman Engineering 27728 Stardale Dr, Santa Clarita 91350 | (661) 253-2011 |