TSI Incorporated serves a global market by investigating, identifying and solving measurement problems. As an industry leader in the design and production of precision measurement instruments, TSI partners with research institutions and customers around the world to set the standard for measurements relating to aerosol science, air flow, indoor air quality, fluid dynamics and biohazard detection.

Headquartered in Fort Worth, Texas, TTI, Inc., a Berkshire Hathaway company, is a specialty distributor of passive, interconnect and discrete components. TTI’s extensive product line and supply chain solutions have made the company the distributor of choice for industrial, military, aerospace and consumer electronic manufacturers worldwide.

Tulare fire department consists of fire administration division and fire suppression division. There is also a fire prevention bureau that works within the fire administration. The Fire Suppression Division includes forty (40) uniformed personnel who respond to mitigate the emergency nature of the incident.

Tusculum Volunteer Fire Department provides firefighting, rescue and safety services in the city of Tusculum, Tennessee, USA.

TVU Networks is a global organization with more than 3,000 customers using its IP and cloud-based workflow solutions across multiple industries including news, public security, entertainment media, sports, corporate, streaming, houses of worship and government. They support the remote coverage of live events in real-time and inform the public during times of emergency, while keeping teams safe.

Tyco Integrated Fire & Security is an industry leader in the Canadian market and single source for comprehensive fire protection, security and life-safety solutions for small businesses, mid-size companies and large enterprises. The company's comprehensive portfolio includes fire alarm, sprinkler, suppression, access control, intrusion and video systems; testing, inspection, maintenance and repair services; and monitoring solutions.

Established by a firefighter in 1949, Tyler Fire Extinguisher Company has expanded into a regionally based company, affiliated with quality service providers across Texas. They provide Fire Extinguishers, Kitchen Vent Hood Suppression Systems, Fire Alarms, Sprinkler Systems, Nurse Call Systems, Magnetic Locks, Wander Guards and much more.

U.S. Coupling is a specialist company in the design and manufacture of fittings and connections for lay-flat hose up to 12"​ in diameter and serves the municipal & industrial fire fighting, agriculture, and industrial water transfer markets. The company's product portfolio includes Storz couplings, mounting plates, adapters, elbows, valves, etc.

U.S. Environmental Protection Agency's (EPA) mission is to protect human health and the environment. The agency was founded in 1970 and is headquartered in Washington, District of Columbia with ten additional regional headquarters offices (Boston, New York, Philadelphia, Atlanta, Chicago, Dallas, Kansas City, Denver, San Francisco, and Seattle) as well as more than a dozen laboratories, and other regional and programmatic offices.

U.S. Fire and Safety has over 35 years of servicing the largest facilities in one of the largest cities in the world. They provide fire extinguishers, emergency lights, kitchen fire suppression systems, fire sprinkler systems, fire extinguisher testing and much more.

As an entity of the U.S. Department of Homeland Security’s Federal Emergency Management Agency, the mission of the U.S. Fire Administration is to provide national leadership to foster a solid foundation for the fire and emergency services stakeholders in prevention, preparedness, and response.

U.S. Tanker are system integrators building durable and customizable stainless steel tankers and pumpers. U.S. Tanker focuses on suburban and rural fire departments.