Oncology Services International (OSI) sells, installs, and provides radiation therapy equipment and related services, including medical linear accelerators, GE Computed Tomographic Scanners, radiation therapy simulators, and accessories worldwide. The company was formed following the merger between Accelinear and Linac Systems in 2003. OSI has facilities in California, Georgia, New Jersey, Ohio, and Texas.

Optos has opted to provide improved imaging tools to eye doctors. The company is a manufacturer of digital diagnostic imaging equipment used by ophthalmologists and other eye care professionals in the detection and management of eye disease. The company's Optomap laser ophthalmoscopes are used by ophthalmologists to perform precision retinal examinations. Its tools are used to detect ailments such as retinal detachments, age-related macular degeneration, and glaucoma and are marketed to physicians in Europe and North America. Optos was founded in 1992 by executive vice chairman and engineer Douglas Anderson after his son's retinal disorder was overlooked by eye doctors.

Organogenesis has the skinny on replacement tissue. Flagship product Apligraf is a human skin substitute approved to treat diabetic foot ulcers and venous leg ulcers caused by poor circulation. Rejection-resistant Apligraf is bio-engineered using living skin cells and has been used to treat chronic open wounds in some 250,000 patients; the company is developing a next-generation version of the material (using its VCT technology) using all human components. In addition to Apligraf, Organogenesis offers a line of biomaterials used in a range of surgical procedures to seal or reconstruct soft tissue, and it also develops regenerative technologies in the area of cosmetic skin rejuvenation.

Ormco develops and distributes a variety of orthodontic equipment and supplies, including adhesives, cutting instruments, bands and crowns, brackets, trays, and wires. Its brands include Damon System, Grengloo, STb Light Lingual System, and Titanium Orthos. The company distributes its products directly and through distributors in the US and around the globe. Ormco also offers products through its online catalog. Danaher controls the company and its immediate parent firm Sybron Dental Specialties.

OrSense makes non-invasive medical monitoring equipment, based on a technology called Occlusion Spectroscopy, that measures levels of blood glucose and hemoglobin via a ring-shaped cuff, which generates a readable transmission signal when placed on the finger. Patients can self-test with OrSense's devices, which are useful for anemia screening and diabetes monitoring. Biophysicist and company CTO Ilya Fine founded OrSense in 1996 after inventing its core technology. Leading investors include STAR Ventures and Israel Health Care Ventures.

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