 | Porterville Unified School District | Porterville, california, united states | 960 | primary and secondary education | 1998 | |
 | Billiou's, Inc. | Porterville, california, united states | 14 | wholesale | 1946 | |
 | ZeroNox, Inc. | porterville, california, united states | 42 | it services and it consulting | 2017 | |
 | Home Realty & Land Co | Porterville, california, united states | 10 | real estate | 1985 | |
 | All About Ice Cream | Porterville, california, united states | 3 | information technology and services | - | |
 | Eastern Tule Groundwater Sustainability Agency, JPA | Porterville, california, united states | 2 | government administration | - | |
 | West Coast Cash | Porterville, california, united states | 3 | consumer services | - | |
| PORTERVILLE CHRISTIAN COMMUNITY CHURCH | Porterville, california, united states | - | religious institutions | - | |
 | geek tech team | porterville, california, united states | - | information technology and services | 2005 | |
| Cutthroat Marketers | Porterville, california, united states | - | marketing and advertising | 2017 | |
| Tule River Aero Industries | Porterville, california, united states | - | telecommunications | - | |
 | bella donna italian restaurant | porterville, california, united states | - | restaurants | - | |
 | ennis builders inc. | porterville, california, united states | - | real estate | 2010 | |
| western chapter isa | porterville, california, united states | - | environmental services | 1934 | |
| thomas creek farms | porterville, california, united states | - | food production | - | |
 | premier dog training services | porterville, california, united states | - | consumer services | - | |
| Olivewood Ranch | Porterville, california, united states | - | - | - | |
 | sierra valley rehab center | porterville, california, united states | - | hospital and health care | - | |
 | eagle mountain casino | porterville, california, united states | - | entertainment | 1996 | |
 | orange belt stages | porterville, california, united states | - | transportation and trucking and railroad | - | |
