Scientific Protein LaboratoriesSPL is a world leader in the development and cGMP-compliant manufacturing of pancreatic enzymes, heparin and its analogs, and other naturally derived products for nearly 50 years. Earning and retaining a position of leadership in this field has allowed us to continue to grow our core product businesses while expanding our service offerings to emerging and established biopharmaceutical companies around the world. Along the way we've developed core competencies in the development of processes and products derived from natural sources, both animal-based or plant-based.