APi Group celebrates a rich legacy in fire protection throughout the U.S., Canada and the United Kingdom. APi Group operates a network of fire protection and life safety companies that provide end-to-end fire protection solutions, including design, installation and service of fire protection systems. Their work spans across industry and facilities, from homes, hospitals and stadiums to data centers, military centers, power plants and refineries

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.