| Business | Phone |
| Area West Engineers Inc 7478 Sandalwood Dr # 500, Citrus Heights 95621 | (916) 725-5551 |
| G W Consulting Engineers 7447 Antelope Rd # 202, Citrus Heights 95621 | (916) 723-0210 |
| Linhart Petersen Powers Assoc 7610 Auburn Blvd, Citrus Heights 95610 | (916) 725-4200 |
| Watermark Engineering 7250 Auburn Blvd # H, Citrus Heights 95610 | (916) 727-3413 |
| American Society Of Civil Engr Po Box 2997, Citrus Heights 95611 | (916) 961-2723 |
| Icf Solutions 6708 Canoe Birch Ct, Citrus Heights 95610 | (916) 726-3139 |
| Icf Solutions 6708 Canoe Birch Ct, Citrus Heights 95610 | (916) 806-2788 |