Mesa Laboratories, Inc. designs, manufacturers and markets quality control products and services. It operates through four segments: Sterilization and Disinfection Control, Instrument Division, Cold Chain Monitoring Division and Cold Chain Packaging Division. Its Sterilization and Disinfection Control Division provides testing services, along with the manufacture and marketing of biological, chemical and cleaning indicators. Its Instruments Division designs, manufactures and markets quality control instruments and disposable products. Its Cold Chain Monitoring Division designs, develops and markets systems, which are used to monitor various environmental parameters. Its Cold Chain Packaging Division provides thermal packaging products such as coolers, boxes, insulation materials and phase-change products to control temperature during transport. It also provides immunoassay and peptide synthesis instrument solutions to discover, develop and manufacture biotherapeutics.