J.W. Dielmann, Inc. is a full service commercial fire alarm system contractor that designs, installs, inspects and services commercial fire alarm systems, installs and services commercial nurse call systems and inspects, services, and sells fire extinguishers for commercial use In San Antonio and South Texas.
Founded in 1995 by James W. Dielmann as a small business, the operation grew rapidly into what it is today. J.W. Dielmann, Inc. has licensed Fire Alarm Planning Superintendents as well as NICET (National Institute for Certification in Engineering Technologies) level IV and level III. We also have state licensed Fire Alarm Technicians.
At J.W. Dielmann, Inc. we take pride in our work and constantly go out of our way to meet or exceed our customers’ expectations, it is our mission to provide the best quality work, equipment, and customer service required to get the job done right.