Founded in 1996 by former pharmaceutical-company scientists, Bristol, Pennsylvania-based AstaTech develops and manufactures drug-discovery building blocks and advanced intermediates while providing chemistry CRO/CDMO services. Its in-house team includes PhD chemists, and the company supports projects from discovery through commercial-scale manufacturing for 1,000 companies worldwide. AstaTech’s catalog includes more than 250,000 compounds, with custom synthesis available from milligram quantities through 10 kilograms and bulk manufacturing extending to ton scales.
ISO 9001
certification
ISO 14001
certification
J&W PharmlabFounded in 2002, Pennsylvania-based J&W Pharmlab is a contract research organization that performs custom organic synthesis and medicinal-chemistry research for life-science clients. Its 10,000-square-foot laboratory combines PhD-led project work with proprietary chiral-resolution methods and a portfolio of more than 30,000 novel building blocks. All custom synthesis is conducted domestically, with clients communicating directly with the scientist assigned to their project.LEVITTOWN, PA
Chem-Master International, IncFounded in 1994, Chem-Master International is a privately held Hauppauge research, development and manufacturing company that provides contract work in organic and medicinal chemistry. Its scientist-owned team includes 14 full-time Ph.D. scientists and draws on 75 years of combined industrial and academic research experience. Operating from a 2,000-square-foot laboratory associated with Stony Brook University’s Long Island High Technology Incubator, the company develops custom compounds and scalable chemical processes for pharmaceutical, biotechnology and academic clients.HAUPPAUGE, NY
BLD Pharmatech LtdBLD Pharmatech Ltd. is a Shanghai-based chemical company known for supporting pharmaceutical, biotech, and research organizations with a large ready-stock research compound operation. Its chemists also handle custom synthesis, ranging from milligram quantities to hundreds of kilograms, with products and batches supported by documented quality controls. The company holds ISO 9001, ISO 14001, and ISO 45001 certifications.CINCINNATI, OH
PharmaBlock (USA), IncPharmaBlock (USA), Inc. develops and manufactures active pharmaceutical ingredients and related materials for biotech and pharmaceutical companies, taking projects from synthetic route scouting through process development and GMP production. Its Pennsylvania operation combines process R&D and FDA-registered GMP API manufacturing in West Chester with additional chemistry R&D and laboratory space in Hatfield. The West Chester site occupies a four-acre campus with 30,000 square feet of building space, while the company’s quality system has been ISO 9001 certified since 2019.HATFIELD, PA