MESA LABORATORIES INC

Mesa Laboratories, Inc. (Nasdaq: MLAB) is a global leader in the design and manufacture of life sciences tools and critical quality control solutions for regulated applications in the pharmaceutical, healthcare, and medical device industries. The company operates manufacturing facilities in the United States and Europe, with sales personnel serving North America, Europe, and the Asia Pacific region, complemented by independent distributors worldwide. Mesa's website is www.mesalabs.com.

The company operates through four reportable segments. The Sterilization and Disinfection Control division manufactures biological, chemical, and cleaning indicators used to assess sterilization and decontamination effectiveness, along with sterility assurance testing services. The Biopharmaceutical Development division develops automated systems for protein analysis and peptide synthesis solutions that accelerate biologic therapy discovery and development. The Calibration Solutions division produces precision measurement and calibration tools for quality control across pharmaceutical, laboratory, and medical device applications, including renal care meters and continuous environmental monitoring systems. The Clinical Genomics division develops high-throughput genetic analysis instruments and consumables using mass spectrometry technology for clinical research applications.

As of March 31, 2026, Mesa employed 717 people, including approximately 450 domestic employees distributed across manufacturing and quality assurance, research and development, sales and marketing, and administrative functions. The company maintains a diversified customer base with no single customer representing more than ten percent of consolidated revenues, though certain divisions exhibit higher customer concentrations. Approximately eight percent of sales derive from Chinese operations, with forty-five percent from other non-U.S. countries, primarily Europe.

Mesa's product portfolio includes recognized brands such as Apex biological indicators, EZTest self-contained indicators, MassARRAY genetic analysis systems, Gyrolab protein analysis instruments, PurePep peptide synthesizers, and DialyGuard, DryCal, DataTrace, and ViewPoint calibration products. The company pursues growth through organic expansion and strategic acquisitions that complement existing portfolios and extend global reach. Mesa's operational philosophy centers on the Mesa Way, a customer-centric lean-based continuous improvement system emphasizing measurement, team empowerment, sustainable improvement, and organizational learning to maximize stakeholder value while advancing its purpose of Protecting the Vulnerable.