Info

A. J. Monier & Co., Inc. is a full-service licensed and bonded, mechanical contracting company with strong ties to the San Antonio area. In business 100 years, A. J. Monier has complete capabilities in HVAC, Plumbing, Process Piping and more. We have vast experience in both the private and public sectors delivering quality construction projects through both plan & specification and negotiated design/build methods.