| 3 In 0ne Landscape | 3 In 0ne Landscape | — | (530) 514 7124 | Windows, patio, painters | Chico · Butte County | — | — |
| 3gen Resurfacing LLC | Lance Adam Johnson | — | (916) 919 7776 | Other | Chico · Butte County | — | — |
| 444 Electric INC | Christopher Michael Lawley | — | (530) 321 9210 | Electricians | Durham · Butte County | — | — |
| 530 Restoration Inc. | 530 Restoration Inc. | admin@airodigital.com | — | Restoration | Paradise · Butte County | — | — |
| A - Line | Maria Elena Campos | — | (530) 624 4145 | GC, remodel, ADU | Chico · Butte County | — | — |
| A - Plus Seamless Rain Gutters | Jeffrey Allan Wedell | — | (530) 228 9669 | Other | Chico · Butte County | — | — |
| A - Z Building Services | Blake Raymond Spon | — | (530) 990 8831 | HVAC | Bangor · Butte County | — | — |
| A B C Repair INC | Taylor Joseph Holestine | — | (530) 894 2780 | GC, remodel, ADU | Chico · Butte County | — | — |
| A C Builder | A C Builder | — | (530) 552 0170 | GC, remodel, ADU | Oroville · Butte County | — | — |
| A Cut Above | A Cut Above | — | (530) 864 7448 | Other | Chico · Butte County | — | — |
| A G S Concrete Construction | Gene Kevin German | — | (530) 343 2190 | Other | Durham · Butte County | — | — |
| A G S Construction Services | Alphonse George Sperske | — | (530) 877 5929 | GC, remodel, ADU | Paradise · Butte County | — | — |
| A J Verar Construction | Jose Antonio Verar-garcia | — | (530) 250 5045 | GC, remodel, ADU | Biggs · Butte County | — | — |
| A M King Industries INC | Bonnie Lynn King | — | (530) 534 7965 | Other | Oroville · Butte County | — | — |
| A Plus Construction | Gary Leon Catron | — | (530) 635 3733 | GC, remodel, ADU | Forbestown · Butte County | — | — |
| A Smart Cleaning Services | Esteves Alicia | — | (916) 723 9511 | Other | Gridley · Butte County | — | — |
| A T INC | Luis Alberto Alvarez | — | (530) 693 0269 | Other | Oroville · Butte County | — | — |
| Aa Builder | Aa Builder | — | (530) 774 6858 | GC, remodel, ADU | Chico · Butte County | — | — |
| Aaa Septic Services LLC | Anthony Estrada-Rodriguez | — | (530) 864 8879 | Other | Chico · Butte County | — | — |
| Aarel Striping And Engineering | Aarel Striping And Engineering | — | (530) 321 1633 | Other | Chico · Butte County | — | — |
| Ab Electric | Enrique Jr Jackson | — | (530) 624 2688 | Electricians | Gridley · Butte County | — | — |
| Able Plumbing And Electrical | Victor Alex Simenc | — | (530) 899 9009 | Electricians | Chico · Butte County | — | — |
| About Trees | Jess Rollie Wills | — | (530) 343 4533 | Tree | Chico · Butte County | — | — |
| Above All Plumbing And Drains | Above All Plumbing And Drains | — | (530) 520 7984 | Other | Chico · Butte County | — | — |
| Above The Cut Painting | Above The Cut Painting | — | (530) 781 2722 | Windows, patio, painters | Chico · Butte County | — | — |
| Absolute Best Plumbing | Absolute Best Plumbing | — | (530) 513 0817 | Other | Chico · Butte County | — | — |
| Absolute Concrete | Absolute Concrete | — | (530) 370 3551 | Other | Gridley · Butte County | — | — |
| Accularm Security Systems | Accularm Security Systems | — | (530) 532 0885 | Electricians | Oroville · Butte County | — | — |
| Accurate Plumbing | Gene James Hubbard | — | (530) 894 1800 | Other | Chico · Butte County | — | — |
| Acorn Building Works LLC | Bryan Edward Williams | — | (714) 330 1968 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Acr Plumbing Solutions | Acr Plumbing Solutions | — | (530) 321 0505 | Other | Chico · Butte County | — | — |
| Acrf Construction Services INC | Sladariu Linus | — | (916) 915 1850 | Electricians | Oroville · Butte County | — | — |
| Act Flooring | Act Flooring | — | (530) 636 3949 | Other | Chico · Butte County | — | — |
| Addams Family Construction Corporation | Paul Stephen Adams | — | (310) 529 5375 | Electricians | Chico · Butte County | — | — |
| Adolfo's Painting | Adolfo's Painting | — | (408) 482 0864 | Windows, patio, painters | Chico · Butte County | — | — |
| Adrian Dayton Construction | Adrian Leigh Dayton | — | (925) 899 7027 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Adrian Luna Construction | Luna Adrian | — | (530) 282 0363 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Advanced Communications Company | Charles Eugene Borders | — | (530) 893 3474 | Other | Chico · Butte County | — | — |
| Advanced Concrete Solutions INC | Arturo Hernandez | — | (530) 693 9261 | Other | Oroville · Butte County | — | — |
| Advanced Construction | Krut Pavel | interested@domainmarket.com | (208) 204 3122 | GC, remodel, ADU | Oroville · Butte County | — | — |