Thermal Custom Packaging (TCP) is a medical product manufacturer—specializing in cold-chain transport solutions, insulated containers (totes), and the chemical reactions that maintain them. The Florida-based manufacturer run by doctors, has a unique understanding of what is needed out in the field and designs with input during testing in the field. The company is the force behind the PC-21, the latest transport technology for mRNA COVID-19 vaccines and antibiotics—frozen without dry ice. Many of the world's largest healthcare services rely on TCP solutions.