Our Business Is Built On A Reputation For Excellence Behind every Mueller and Wilson job stands decades of construction industry experience. Originally incorporated in 1949, Mueller and Wilson is well-known throughout South Texas for its emphasis on job quality, cost efficiency, business integrity, and dependability. Mueller and Wilson is well capitalized and financially stable - an important consideration when undertaking large projects. We have the financial resources to bond and complete even very large projects. In addition to installing and repairing heating, ventilation, and air conditioning systems, Mueller and Wilson is also experienced at installing drainage, waste, vent and process piping and plumbing in medium to large projects. From condominiums to multi-level shopping malls, from integrated circuit production plants to military renovation projects, Mueller and Wilson combines the latest technology with the highest quality material and workmanship to ensure that the ultimate needs of the building owner are satisfied. Building owners know they can count on Mueller and Wilson to bring their job in on time and on budget. Mechanical Contracting Commercial and Residential Sales and Service Heating Air Conditioning Plumbing Installation Maintenance Contracts HVAC Installation and Repair Plumbing Installation and Servicing Custom Metal Fabricating Systems Maintenance and Inspection Test and Balance Project Management and Cost Control Brand All Makes and Models Retail Industrial Medical Lodging Single And Multi-Story. Air Conditioning, Service & Repair, Water Heaters