| Business | Phone |
| Abeam Construction 267 E Badillo St, Covina 91723 | (626) 332-6877 |
| Abell Dedmon Inc 148 W Orange St, Covina 91723 | (626) 332-2033 |
| American Builders 1004 E Cypress St, Covina 91724 | (626) 859-2270 |
| Armstrong Construction 840 W Front St, Covina 91722 | (626) 967-8001 |
| Benchmarc Construction 4737 N Vincent Ave, Covina 91722 | (626) 856-0385 |
| J T Development 736 E Edna Pl, Covina 91723 | (626) 339-2882 |
| J W Contractors 707 E Edna Pl, Covina 91723 | (626) 915-1821 |
| Mega Lighting Inc 919 1/2 N Azusa Ave, Covina 91722 | (626) 339-8899 |
| Ramirez Construction 656 E San Bernardino Rd, Covina 91723 | (626) 967-5790 |
| Adan Construction Inc 1580 W San Bernardino Rd # G, Covina 91722 | (626) 859-4024 |
| Alzammar Construction Co 18232 E Benbow St, Covina 91722 | (626) 339-6388 |
| Harik Construction 1217 W San Bernardino Rd, Covina 91722 | (626) 859-0011 |
| Pyramid Builders 16332 E San Bernardino Rd, Covina 91722 | (626) 967-1342 |