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210 402-0605

Mass Notification Systems - San Antonio

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.

Their Safety . . .
is Your Responsibility

J.W. Dielmann is Sales and Service certified by Gamewell-FCI

Society and the economy are more dependent than ever on safeguarding critical assets. Protecting people and property from threats is essential to our future. The E3 Series®, Expandable Emergency Evacuation System by Gamewell-FCI provides the most survivable, cost effective, and customizable Emergency Communication System for both your fire alarm and mass notification needs.

Ideal for Small and Large-Scale Local, State and Federal Facilities.
Mass Notification by, phone, text, email and LED signage.
Immediate distributed clarification of emergency.
Both Local and Wide-area messaging control.
Fully programmable to meet the most difficult applications.
Easier to maintain and operate and more economical.
We provide off-site monitoring.
Contact us        E3 Series Brochure

BDA . . .
Make Sure Everyone Gets the Message

J.W. Dielmann is Sales and Service certified by Gamewell-FCI

Gamewell-FCI Bi-Directional Amplifier System offers all the components required for design and installation of the Emergency Radio Communication Enhancement Systems (ERCES): signal boosters/Bi-Directional Amplifiers (BDA), batteries and battery enclosures, donor antennas, Distributed Antenna Systems (DAS), coaxial cables, connectors and lightning arrestors, power dividers and hybrid couplers, design services and training.

High Reliability
Excellent RF Performance
Ease of Use and Deployment
Can be Expanded
Contact us        Read BDA Brochure

Bi-Directional Amplifier System

S3 Series

J.W. Dielmann is an authorized and certified sales and service for the S3 Series solution by Gamewell-FCI.

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Fire-Lite Products

J.W. Dielmann is an authorized and certified sales, service and support agent for Fire-Lite products.

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Silent Knight Farenhyt

J.W. Dielmann is an authorized and certified sales, service and support agent for Silent Knight Farenhyt.

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Memberships and Associations


  • J.W. Dielmann, Inc.

    2431 Bulverde Road
    Bulverde, TX 78163

    O 210 402-0605
    C 210 488-7046

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