General Info

We are a Southern California-based MBE/DBE General Engineering Contractor specializing in hazardous waste remediation, stormwater management, contaminated brownfield maintenance, and many more services for public works, private developments, and major Superfund/CRCLA sites. We are certified Minority-Owned/MBE, Disadvantaged Business/MBE, and Small Business-Public Works/SBPW. Previously as Mayfield Enterprises, we have over two generations of high-profile project management experience since 1985. We have contracted with the City of Cerritos, Norwalk, Carson, Santa Fe Springs, and more governments in addition to high-risk environments like Exide Superfund, Ascon Superfund, Cal Compact Landfill, BKK Landfill, Montrose Chemical (DDT) Superfund, OII Superfund, WDI Superfund, and more for decades. The company is family-owned and currently headed by CEO James Mayfield (QSD/QSP/QISP/CPMSM/CPESC/CISEC) and based out of Long Beach with our main yard in Carson. We are registered for Public Works in California, CalTRANS, and Federal & Tribal projects. We have decades of contracting experience in refineries, power plants, Superfunds/CRCLA, substations, vacant lots, storm sewer/storm canal systems, treatment facilities, industrial plants, gas stations, airports, and more.