J. F. Prieto Engineering Construction Inc. is a family-owned general engineering contractor based in Los Angeles, CA. The company has served the greater Los Angeles County area for over 50 years, specializing in septic system repair and septic tank installation. Their services include wastewater repairs, restorations, and new installations for sewer and septic applications, as well as concrete and asphalt work such as foundations, retaining walls, and street restoration. They also handle underground utilities including electrical conduit and water connections.

Honest Plumbing & Rooter is a family-owned plumbing company serving Los Angeles, CA, and surrounding areas including Burbank. They provide a wide range of plumbing services such as septic tank inspection, septic system care, drain cleaning, and sewer jetting. The company specializes in water and gas re-pipes, pipe lining, trenchless sewer pipe replacement, and converting septic tanks to city sewage lines. With over 24 years of experience, Honest Plumbing & Rooter offers 24/7 emergency plumbing services to residential and commercial customers.