| Iron By Design INC | Paul Kwock Gong | — | (559) 825 9388 | Other | Fresno · Fresno County | — | — |
| Ironclad Industrial Coatings | Byron Daniel Cooper | — | (559) 908 7477 | Other | Clovis · Fresno County | — | — |
| Ironwood Construction | Charles Raymond Warner | — | (559) 355 6768 | GC, remodel, ADU | Sanger · Fresno County | — | — |
| Isaias Barriga | Isaias Barriga | — | (559) 558 3829 | Other | Fresno · Fresno County | — | — |
| Isidro Enriquez DBA I E Finish Carpentry | I E Finish Carpentry | — | (559) 803 2112 | Windows, patio, painters | Fresno · Fresno County | — | — |
| Isidro Martinez | Isidro Martinez | — | (559) 903 0429 | Other | Tollhouse · Fresno County | — | — |
| Island Pools INC | Steven Ralph Bassett | — | (559) 684 7665 | Pool | Fresno · Fresno County | — | — |
| Island Tile | Island Tile | — | (559) 355 3242 | Other | Clovis · Fresno County | — | — |
| Italish Remodeling & Custon Cabinetry | Rodney Allen Hayes | — | (559) 977 0657 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| Ivan & Son's Electric INC | Heriberto Ivan Herrera Coronado | — | (559) 916 3772 | Electricians | Fresno · Fresno County | — | — |
| Ivan Esequiel Espino | Ivan Esequiel Espino | — | (559) 708 7809 | Windows, patio, painters | Fresno · Fresno County | — | — |
| Ivory Pool Services INC | Jacob Donovan Heffernan | — | (559) 269 1117 | Pool | Fresno · Fresno County | — | — |
| Izove Construction | Elizondo Jr Mendoza | — | (209) 201 4534 | GC, remodel, ADU | Clovis · Fresno County | — | — |
| Izzy's Electric | Ismael Elvira Espinoza | — | (559) 859 5348 | Electricians | Fresno · Fresno County | — | — |
| J & A Rain Gutters INC | Jesse Manuel Rivera | — | (559) 647 6637 | Other | Fresno · Fresno County | — | — |
| J & B Hernandez Construction INC | Jorge David Hernandez | — | (559) 312 4466 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J & D Fence & Construction INC | John Gary Moore | — | (559) 292 1692 | Electricians | Clovis · Fresno County | — | — |
| J & G General Engineering INC | Jose Manuel Ruvalcaba Gomez | — | (559) 321 1630 | Other | Fresno · Fresno County | — | — |
| J & G Plumbing Fresno | Guadalupe Ramos Cuevas | — | (559) 696 4422 | Other | Sanger · Fresno County | — | — |
| J & H Drywall INC | Jabigayl Medrano | — | (559) 266 3270 | Other | Fresno · Fresno County | — | — |
| J & J Quality Construction INC | Nicholas Robert Blea | — | (559) 940 7907 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J & M Floor Covering INC | Juan Andrade Elizondo | — | (559) 285 4869 | Windows, patio, painters | Fresno · Fresno County | — | — |
| J & M Underground INC | Jason Kenneth Snead | — | (559) 280 8460 | Electricians | Auberry · Fresno County | — | — |
| J & N Sunset Roofing INC | Jose Angel Narvaez Monjaraz | info@jnsunsetroofing.com | (559) 269 0504 | Other roofers | Fresno · Fresno County | — | — |
| J & R General Contractors Inc. | Rodriguez Javier Ramirez | — | (559) 273 4988 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J & S Pool And Spa | Michael James Schaubschlager | — | (559) 297 7995 | Pool | Clovis · Fresno County | — | — |
| J A G Construction | Johnny L Gonzalez | — | (559) 906 7972 | GC, remodel, ADU | Selma · Fresno County | — | — |
| J A R Construction Services INC | Juan Antonio Jr Rodriguez | — | (559) 753 8161 | Other | Clovis · Fresno County | — | — |
| J A Sanders Construction INC DBA J A Sanders Steel Erectors | Casey Allen Sanders | — | (559) 292 1643 | Other | Fresno · Fresno County | — | — |
| J And A Backhoe Service | Jeffrey Ray Ananian | — | (559) 626 7101 | Other | Orange Cove · Fresno County | — | — |
| J And R Bravo Construction INC | Juan Carlos Bravo | — | (559) 647 3469 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J B S Enterprises | Benjamin Adriano Sohr | — | (559) 940 2688 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J Bautista Builder | J Bautista Builder | — | (760) 343 6658 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J Boone Mechanical INC | James Marvin Boone | — | (559) 207 3470 | HVAC | Clovis · Fresno County | — | — |
| J C A General Construction INC | Julio Cesar Aguilar-Hernandez | herjulius3@gmail.com | (559) 352 9268 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J C Construction | Javier Garcia Cantu | — | (559) 284 0362 | GC, remodel, ADU | Parlier · Fresno County | — | — |
| J C Electric | Jesus Arcel Cervantes Romero | — | (559) 331 9024 | Electricians | Sanger · Fresno County | — | — |
| J C Electric | Jorge Luis Carvajal | — | (559) 917 7675 | Electricians | Clovis · Fresno County | — | — |
| J C L Construction | Joseph Carl Lee | — | (559) 862 5241 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| J C's Painting & Coatings INC | John Alexander Campbell | — | (559) 681 4701 | Windows, patio, painters | Fresno · Fresno County | — | — |