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  • Quality Janitorial Service
    Quality Janitorial Service
    209.835.2884
    1940 S Central Ave, 95376-6020  Tracy

    Quality Janitorial Services (QJS) was founded in 1988 and our management team has over 60 years of industry experience. The QJS business philosophy focuses on providing exceptionally high- level, diversified services. We specialize in the shopping center and building service industries. QJS is a pr…