| Business | Phone |
| Eci Construction 12139 Mount Vernon Ave, Grand Terrace 92313 | (909) 825-8343 |
| Kelly Construction Grand Terrace 92313 | (909) 825-3424 |
| Mp Engerning 21801 Barton Rd, Grand Terrace 92313 | (909) 514-1231 |
| Roadrunner Storage Place 21999 Van Buren St # 5, Grand Terrace 92313 | (909) 825-3638 |
| Stonewood Construction Co 22145 De Berry St, Grand Terrace 92313 | (909) 783-0174 |