| 72 Heating & Cooling | 72 Heating & Cooling | — | (559) 514 1423 | HVAC | Fresno · Fresno County | — | — |
| 88 Mechanical INC | Mike Salazar | — | (559) 916 3329 | HVAC | Fresno · Fresno County | — | — |
| A & E Heating And Air Conditioning | Sam Sing Kong | — | (559) 930 9850 | HVAC | Fresno · Fresno County | — | — |
| A & G Heating & Air Conditioning | Alisandro Lima Lopez | — | (559) 213 4532 | HVAC | Clovis · Fresno County | — | — |
| A & L Air Conditioning INC | Luis Uriel Galvan Salvador | — | (559) 283 1827 | HVAC | Fresno · Fresno County | — | — |
| A B Welding INC | August Todd Benson | — | (559) 291 6956 | HVAC | Prather · Fresno County | — | — |
| A-1 Ray's Air Conditioning & Heating | Ray Vasquez Hernandez | — | (559) 217 9000 | HVAC | Fresno · Fresno County | — | — |
| Abc Cooling & Heating | Abc Cooling & Heating | — | (559) 292-9240 | HVAC | Fresno · Fresno County | — | — |
| Accu-temp Heating & Air Conditioning | Accu-temp Heating & Air Conditioning | — | (559) 638 3834 | HVAC | Reedley · Fresno County | — | — |
| Ace Air Conditioning & Construction | Jaswant Singh Tiwana | — | (702) 439 9555 | HVAC | Clovis · Fresno County | — | — |
| Ace Plumbing | Ace Plumbing | service_request@aceplumbing.com | (916) 455-4548 | HVAC | Fresno · Fresno County | — | — |
| Active Air INC | Lopez Artemio Ramirez | info@active-air.com | (559) 201 3818 | HVAC | Kerman · Fresno County | — | — |
| Adapt Heating & AC | Adapt Heating & AC | — | (559) 360 6614 | HVAC | Fresno · Fresno County | — | — |
| Advanced Electric Services Incorporated | Brian Curtis Stotts | — | (559) 970 6805 | HVAC | Fresno · Fresno County | — | — |
| Advanced Heating And Air Conditioning | Advanced Heating And Air Conditioning | — | (559) 438 0123 | HVAC | Fresno · Fresno County | — | — |
| Air Comfort Solutions INC | Jason Robert Gamboa | — | (559) 222 3226 | HVAC | Fresno · Fresno County | — | — |
| Air Control Balancing INC | Dorothy Marjorie Mills | — | (559) 454 8000 | HVAC | Fresno · Fresno County | — | — |
| Air Worthy | Air Worthy | support@airworthy.com | (559) 903 0057 | HVAC | Fresno · Fresno County | — | — |
| Airlogic LLC | Wesley Darren Allen | — | (559) 708 6804 | HVAC | Fresno · Fresno County | — | — |
| Airmergency Fresno INC | Singh Prabhdeep | — | (209) 241 0714 | HVAC | Fresno · Fresno County | — | — |
| Airtech Service | Michael Dewayne Lay | — | (559) 291 4456 | HVAC | Fresno · Fresno County | — | — |
| Alamo's Air | Alamo's Air | — | (559) 281 0873 | HVAC | Fresno · Fresno County | — | — |
| Alan Paul Melkonian | Alan Paul Melkonian | — | (559) 260 6543 | HVAC | Fresno · Fresno County | — | — |
| Albert L Mendez Air Conditioning & Heating INC | Albert Leonel Mendez | — | (559) 824 5248 | HVAC | Selma · Fresno County | — | — |
| Alejandro Cosme | Alejandro Cosme | — | (559) 480 0194 | HVAC | Fresno · Fresno County | — | — |
| All A / C | All A / C | — | (559) 275 4321 | HVAC | Fresno · Fresno County | — | — |
| All American Air | All American Air | — | (559) 880 7111 | HVAC | Fresno · Fresno County | — | — |
| All American Air INC | Lorenzo Valenzuela Sandoval | — | (559) 709 1355 | HVAC | Kerman · Fresno County | — | — |
| All Mechanical Services INC | Bryan Fletcher O'brien | — | (559) 486 2260 | HVAC | Fresno · Fresno County | — | — |
| All Pro - Air | All Pro - Air | — | (559) 266 9192 | HVAC | Fresno · Fresno County | — | — |
| All Valley Air Conditioning & Heating | Adolph Kater Lopez | — | (559) 403 8628 | HVAC | Fresno · Fresno County | — | — |
| Allbritten Barefoot Plumbers Electricians & HVAC Technicians | Nikolaus Christian Kious | — | (559) 292 4919 | HVAC | Fresno · Fresno County | — | — |
| Angel's Air Conditioning And Heating | Angel's Air Conditioning And Heating | — | (559) 859 2271 | HVAC | Reedley · Fresno County | — | — |
| Antonio Navarro Jr | Antonio Navarro Jr | — | (559) 708 5299 | HVAC | Fresno · Fresno County | — | — |
| Anytime Heating And Cooling INC | Rommel Bangoy Regalado | — | (559) 260 0822 | HVAC | Clovis · Fresno County | — | — |
| Apex General INC | Beatrice Pino | — | (559) 268 2861 | HVAC | Fresno · Fresno County | — | — |
| Arctic Spark Controls LLC | Gursharan Singh Clare | — | (559) 912 3999 | HVAC | Fowler · Fresno County | — | — |
| Arrow Air Conditioning & Sheet Metal | Scott Thomas Losorwith | — | (559) 284 4060 | HVAC | Fresno · Fresno County | — | — |
| Arrow Mechanical INC | Joe Don Martin | interested@domainmarket.com | (559) 255 8901 | HVAC | Kingsburg · Fresno County | — | — |
| Arrow Tech Heating & Cooling | Arrow Tech Heating & Cooling | — | (559) 770 7872 | HVAC | Fresno · Fresno County | — | — |