This dataset includes 1.05 million business entities (corporations, LLCs, etc.) registered with Secretary of the Commonwealth of Massachusetts, Corporations Division. Each business is registered with business name, principal address, mailing address, owner name, owner address, entity status, type and creation date.
| Entity Name | Office Address | Start Date |
|---|---|---|
| PROTON THERAPY CORPORATION OF AMERICA, INC. | 6140 Stoneridge Mall Rd., Suite 350, Pleasanton, CA 94588 | 2003-02-10 |