Matrix Construction Services I live in a apartment that has had numerous plumbing problems. The apartment management company uses Matrix Services plumbers to resolve their plumbing issues. On every occasion the plumbers were called to my apartment, they were timely, courteous, professional, and they have always left the apartment as clean as they could. I recommended Matrix to a friend, and she was extremely satisfied with the job the did for her also. I rarely write a review, but Matrix plumbers deserve a great review.