# Mueller & Wilson, Inc.

> Mueller & Wilson, Inc. (MWI) is a licensed commercial and industrial mechanical contracting company based in San Antonio, Texas. Founded in 1949, MWI provides HVAC, plumbing, sheet metal fabrication, and facilities maintenance services across Central and South Texas — from Austin to the Rio Grande Valley. Clients include healthcare systems, hotels, manufacturing plants, and corporate facilities.

HVAC License: TACLA85102C | Plumbing License: M-46422

Phone: (210) 824-9461 | Address: 12747 Cimarron Path, San Antonio, TX 78249

Hours: Monday–Friday, 8:00 AM–5:00 PM | 24/7 emergency service available

## Services

- [Mechanical Contracting](https://www.mwiusa.com/mechanical-contracting): Commercial and industrial mechanical construction, fabrication, installation, and construction management for HVAC systems, plumbing, and piping. Projects range from new construction to complex renovations.

- [Plumbing & HVAC](https://www.mwiusa.com/plumbing-and-hvac): Certified plumbing, heating, cooling, ventilation, and refrigeration services for commercial and industrial facilities. Includes backflow testing, water heaters, boilers, drain cleaning, and 24/7 emergency repair.

- [Facilities Service Group](https://www.mwiusa.com/facilities-service-group): Ongoing maintenance and repair contracts for commercial mechanical systems. Certified technicians service complex HVAC and plumbing systems; 24/7 emergency response available.

- [Sheet Metal Fabrication](https://www.mwiusa.com/sheet-metal-fabrication): In-house fabrication of ductwork, specialty welded duct systems, fiberglass-reinforced plastic (FRP) ducts, pipe spooling, custom fittings, safety ladders, catwalks, and custom skid fabrication. Capable of projects up to 1.4 million pounds of ductwork.

## Industries Served

- [Healthcare](https://www.mwiusa.com/healthcare): HVAC and plumbing for hospitals, clinics, and medical facilities. Experience with ICU buildouts, chilled water systems, and ASHRAE-compliant healthcare HVAC design.

- [Manufacturing](https://www.mwiusa.com/manufacturing): Turnkey mechanical solutions for power, petrochemical, industrial gases, telecom, food and beverage, and general manufacturing. Experience with plant expansions and live-facility operations.

- [Hospitality](https://www.mwiusa.com/hospitality): HVAC and plumbing for hotels and event venues. Clients include JW Marriott San Antonio Hill Country Resort.

- [Corporate](https://www.mwiusa.com/corporate): Commercial HVAC and plumbing for office and corporate facilities. Single-vendor solution for all mechanical needs.

## Company Information

- [Who We Are](https://www.mwiusa.com/who-we-are): Company history (founded 1949), mission, core values (Integrity, Technical Excellence, Passion, Teamwork, Craftsmanship), and association memberships.

- [Service Area](https://www.mwiusa.com/service-area): Central and South Texas — San Antonio metro, Austin, Rio Grande Valley, and surrounding region.

- [Safety](https://www.mwiusa.com/safety): MWI's safety record, protocols, and commitment to jobsite safety.

- [Careers](https://www.mwiusa.com/careers): Open positions and information for prospective employees and apprentices.

- [Contact Us](https://www.mwiusa.com/contact-us): Request a consultation, phone, address, and business hours.

## Associations & Certifications

- Mechanical Contractors Association of America (MCAA)

- United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry (UA)

- Mechanical and Sheet Metal Contractors Association of San Antonio

- Sheet Metal and Air Conditioning Contractors' National Association (SMACNA)

- Sheet Metal Workers International Association (SMWIA)

- Testing, Adjusting and Balancing Bureau (TABB) — Certified