For 20 years Optical Solutions Inc. (OSI) has been providing optical components and assemblies that continually surpass its customers’ requirements and expectations. Primarily focused in the Lithography, Hyperspectral, Defense, Surveillance, Medical, Astronomy, and Quantum Cascade Laser (QCL) markets, OSI has built a reputation for providing the most difficult and advanced optics in the world. With superior design, manufacturing, metrology and inspection capabilities, OSI has been the preferred supplier for high-level astronomy projects such as the James Webb Space Telescope (JWST), MOIRCS for the Subaru Telescope, ARIES for University of Arizona’s MMT Telescope, FLITECAM for NASA’s SOFIA and MATISSE for ESO’s Paranal, Chile Facility. OSI has also been involved in the design and manufacture of critical advanced lithography illumination optics for 193nm – 1700nm semiconductor applications.  OSI is prepared to provide the complete solution from design, prototype and production of critical flight and research optics, to the manufacture and test of complete OEM requirements.