Dalton Pharma Services Dalton Chemical Laboratories Inc. o/a Dalton Pharma Services is a leading cGMP contract service provider of integrated chemistry, drug development and API and dosage form manufacturing services to the pharmaceutical and biotechnology industries. Dalton provides expertise in medicinal chemistry, process development and reaction optimization, as well as formulation development, analytical testing and development, and cGMP manufacturing including  cGMP API production  and  cGMP Sterile Filling Services . Dalton brings nearly 30 years of experience to every customer project, at virtually any stage of development or commercialization.