Carrier is a leading global provider of innovative heating, ventilating and air conditioning (HVAC), refrigeration, fire and security solutions. Its brands include Carrier, Kidde, Edwards, LenelS2 and Automated Logic. Carrier provides the technology that monitors and ensures temperature controls for vaccine shipments and storage and their health buildings programmes provides modifications for air filtration for offices and schools. Carrier has played vital role in COVID vaccine distribution supply chain and will continue this work in to 2022 as vaccines begin to reach the developing world in greater numbers. It has 56,000 employees and a $46 billion market cap.