| Business | Phone |
| Bei Ltd 55902 N Hinzerling Rd, Prosser 99350 | (509) 786-7271 |
| Bretthauer Construction 9404 S 1626 Pr, Prosser 99350 | (509) 786-7365 |
| Channel Construction 8811 S 1537 Pr Sw, Prosser 99350 | (509) 786-3165 |
| Fourmost Construction Inc 155002 W Atwood Rd, Prosser 99350 | (509) 786-2839 |
| Hatfield Construction 916 Lillian St, Prosser 99350 | (509) 786-2278 |
| Laurich Construction 348 Nunn Rd, Prosser 99350 | (509) 786-3992 |
| Lesco Electric 424 9th St, Prosser 99350 | (509) 786-7478 |
| Murphey's Construction 125631 W Heck Rd, Prosser 99350 | (509) 786-4420 |
| Pds Construction Prosser 99350 | (509) 788-0718 |
| South Central Design & Constr 1215 Meade Ave, Prosser 99350 | (509) 786-2341 |