Diagnostic Systems Laboratories

Diagnostic Systems Laboratories (DSL) was a specialized medical diagnostics company focused on the development and manufacture of high-quality immunoassays for endocrinology and reproductive medicine. Based in Webster, Texas, the company established itself as a leader in niche testing markets, providing assays for growth factors, steroid hormones, and fertility markers. Its product line included kits utilizing ELISA, RIA, and chemiluminescence technologies, serving clinical laboratories and research institutions worldwide. In 2005, DSL was acquired by Beckman Coulter, integrating its extensive hormone testing menu into Beckman's automated diagnostic platforms.