Central Valley Septic Backhoe & Drilling is a septic system contractor serving Stockton, CA, and the surrounding Northern California region. Established in 1992, the company provides residential and commercial septic services including tank installation, pumping, inspection, system repair, and leach line repair. They also offer foundation drilling and backhoe services for various construction needs. Their expertise includes designing and installing septic systems that comply with San Joaquin and Sacramento county codes as well as California state regulations.

Parrish & Sons Inc is a full-service septic and construction company based in Stockton, CA, serving San Joaquin and Sacramento Counties. They offer septic system pumping, installation, repair, and maintenance along with foundation drilling, backhoe services, and leach line repair. With over 80 years of experience since 1942, they provide expert solutions for residential and commercial septic needs, including soil testing and site preparation to ensure system efficiency and durability.