Streck is an industry leader in the development and manufacture of products for the clinical and research laboratory. Streck’s core technology is cell stabilization. Product lines support the fields of hematology, immunology and molecular biology. Led by President and CEO Connie Ryan, Streck has grown from its beginnings in a two-room office in midtown Omaha, NE, to the state-of-the-art-200,000 square foot facility in southwest OmahaStreck control products test the performance and limits of instruments and reagents, helping laboratories meet regulatory and accreditation requirements. The most important characteristics of Streck controls are the stability and physical similarities to real patient samples. Closely resembling patient samples makes it easier for technologist to detect any problems with their processes or instruments.







Cell-Chex® Auto













Para 12® Extend




Retic-Chex® Linearity






ESR Chex











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