- American Fire Sprinkler Association
 - Dallas - Nonprofit organisation representing automatic fire sprinkler industry. - Flame Stop, Inc.
- Fort Worth - Manufactures firestops and fire retardants.
- Storm and Tornado Shelters of Texas
- Flower Mound - Design and installation of solid-steel constructed shelters for new and remodeled homes, apartment buildings, mobile homes, and commercial buildings.
- Hydra-Shield
- Irving - Fire hydrant security devices to protect firefighting water resources.
- American Tornado Master
- Dallas - Designs, manufactures, and installs custom concrete and steel storm shelters.
- Attack One
- Keller - Manufactures fire and rescue vehicles for Wildland firefighting.
- Fireguard Systems, Inc.
- Garland - Designs and installs sprinkler systems in warehouses and other large structures.
- REO Rescue & Safety, Inc.
- Plano - Offers on-site standby rescue services. Also provides rescue and OSHA training in rope, high angle, confined spaces, and trench rescue.
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