Quality Service Company | Quality Service Company, LLC is a locally owned and operated HVAC, plumbing and electrical company providing South Carolina families with home comfort solutions since 2003 Our Mission Statement is, “Through great employees, we will continue to grow our trusted name by delivering exceptional service through honesty and integrity.” We believe in always doing the right thing for our customers and our employees. We believe in having pride in the products we provide, that teamwork is the source of our strength, and in upholding the highest level of confidentiality for our customers.