| Business | Phone |
| Edp Consulting Engineers 14419 Willowsong Ct, Missouri City 77489 | (281) 416-9660 |
| Solum Engineering 1306 Fm 1092 Rd # 201, Missouri City 77459 | (281) 208-9966 |
| Retro Lighting & Conservation 3815 Griffin Ln, Missouri City 77459 | (281) 778-8066 |