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Professional Maintenance Systems is a leading commercial cleaning services company in California, providing a range of cleaning solutions to over 42 million square feet of facilities across the state. With a commitment to accountability, communication, and exceptional service, we employ over 1,400 dedicated janitors and support staff to deliver top-notch cleaning services to over 500 customers. Our comprehensive services include commercial cleaning, day porter services, and specialized services for life science and healthcare facilities. We pride ourselves on our professionalism, responsiveness, and customized solutions to meet our clients' unique needs.