Streck joins Madison Industries

streckFebruary 21, 2023 – CHICAGO – Madison Industries, one of the world’s largest privately held companies, has acquired Omaha based Streck, the inventor of hematology reference controls and a global leader in the development and manufacturing of laboratory products. Streck’s comprehensive suite of quality control and diagnostic products further expands Madison’s leading portfolio of medical and life science solutions.

Connie Ryan, CEO of Streck, stated, “After 52 years, I can confidently say we have found the perfect partner to continue building Streck by embracing our culture built on a fierce passion for innovation, creativity and collaboration. I could not be prouder to team with Larry and Madison. Our mission to improve patient outcomes through innovative solutions remains our top priority, and Madison will allow us to achieve our goals more efficiently and effectively. Streck’s customers, team and community will greatly benefit from our partnership.”

“Since meeting Connie over seven years ago and being so impressed, I promised her that when she called, we would be there to partner with her,” said Madison Founder and CEO Larry Gies. “The Streck name is celebrated in every hospital, clinic and laboratory around the globe and is perfectly aligned with our mission to make the world safer, healthier and more productive. I am thrilled to be a small part of the passionate Streck team with Connie leading us forward!”

With proven proprietary science and an unwavering commitment to the highest standards, Streck products touch millions of lives each day and help validate the reputations of laboratories, hospitals and clinicians all over the world. Streck has developed leading control and diagnostic products in hematology, immunology, molecular diagnostics, infectious diseases and urinalysis for clinical and research laboratories.

About Streck
Established in 1971, Streck’s founder, Dr. Wayne Ryan, developed the company’s core technology of cell stabilization at a time when blood cells were still being counted manually using microscopes. Dr. Ryan discovered that by isolating and stabilizing platelets, Streck’s laboratory scientists were able to facilitate automatic counting, leading to the development of an accurate system for calibrating platelet- counting devices. It was a profound breakthrough for hematology laboratories around the world – one that fueled Streck’s pursuit of innovative solutions for the clinical laboratory. Today, innovation continues to drive Streck’s science. Streck holds over 40 patents on more than 20 products and makes testing and reagent materials for some of the industry’s leading instrument manufacturers, such as Abbott, Siemens and Sysmex, among others. Located in America’s heartland outside of Omaha, Nebraska, Streck is manufacturing and delivering its solutions to over 13,000 labs in 65 countries around the world. Please visit Streck at

About Madison Industries
Madison Industries is one of the largest and most successful privately held companies in the world. Madison builds entrepreneurially driven, branded market leaders that are committed to making the world safer, healthier and more productive by creating innovative solutions that deliver outstanding customer value. The team at Madison is committed to building something truly remarkable that long outlasts them while coaching others to reach their highest potential. Please visit to learn more.