 | TGH Aviation | Auburn, california, united states | 34 | airlines and aviation | 1957 | |
 | Holden Law Group | Auburn, california, united states | 14 | legal services | 2006 | |
 | Home Tutoring Plus, Inc. | Auburn, california, united states | 47 | primary and secondary education | 1997 | |
 | HuLoop Automation | auburn, california, united states | 42 | software development | 2022 | |
 | Century Commercial Service | Auburn, california, united states | 82 | consumer services | 1984 | |
 | Oak View Law Group | Auburn, california, united states | 27 | legal services | 2007 | |
 | Innovative Hydrology, Inc. | Auburn, california, united states | 3 | environmental services | 2001 | |
 | Cypress Auto Center | Auburn, california, united states | 1 | automotive | - | |
 | Invision Consulting, Inc. | Auburn, california, united states | 5 | research | 2007 | |
| Sierra Brokers Real Estate | Auburn, california, united states | 6 | real estate | - | |
 | Kazan Networks | Auburn, california, united states | 1 | - | 2014 | |
 | Placer Auto Body | Auburn, california, united states | 1 | automotive | - | |
 | Auburn Chrysler Dodge Jeep Ram | Auburn, california, united states | 12 | automotive | - | |
 | Ramirez Rattlesnake Removal | Auburn, california, united states | 3 | consumer services | - | |
 | KenMar Instrumentation Services LLC | Auburn, california, united states | 7 | oil and energy | 2002 | |
 | Ecoological | Auburn, california, united states | 5 | automotive | 2011 | |
| Don Robinson Sand & Gravel Inc | Auburn, california, united states | 8 | transportation and trucking and railroad | - | |
 | Homer Stenger & Co. | auburn, california, united states | 2 | financial services | 2008 | |
| Tre Bella Salon & Spa | Auburn, california, united states | 7 | health, wellness and fitness | - | |
 | Imperial Mortgage & Real Estate Services | Auburn, california, united states | 3 | real estate | - | |
