Now marking 46 years in business, Company Seven is a long-standing, community-oriented astronomy specialist based in Laurel, Maryland. It is known for unusually hands-on inspection and support, evaluating equipment before delivery and continuing to help owners long after a sale. The company serves amateur and professional astronomy communities internationally, as well as government and industry clients.
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Rayleigh Optical CorporationSince 1987, co-founders Vilma and David Anderson have operated Rayleigh Optical Corporation as a worldwide fabricator of large custom precision optics. The Hanover, Maryland, company specializes in spherical and aspherical components from 0.25 to 1.5 meters, with its mirrors and lenses used at premier astronomical sites including Pan-STARRS and the Dark Energy Survey Instrument. It also extends its shop and expertise to amateur telescope makers through its planned Center for Amateur Optics and Telescope Making.HALETHORPE, MD
Optec, IncSince 1979, Lowell-based Optec, Inc. has designed and manufactured electro-optical equipment that helps astronomers and astrophotographers capture better images. The small firm also develops solutions for atmospheric science and microscopy, pairing specialized products with software support for astronomy users around the world.ABINGDON, MD
Nu-Tek Precision Optical CorporationNu-Tek Precision Optical Corporation grew from a 1987 venture founded by nine master opticians, supervisors, and technicians, many of whom remain part of its core team today. This privately held Maryland small business develops custom precision optics for aerospace and scientific customers, with NASA-qualified flight hardware among its documented work. Its 15,000-square-foot Aberdeen operation supports projects ranging from prototypes to light production.ABERDEEN, MD
Science Systems and Applications, IncFounded in 1977, Science Systems and Applications, Inc. is a Lanham, Maryland scientific and engineering company known for supporting NASA and NOAA missions. Its work helps government and commercial clients use Earth science and related technology to advance research and make better decisions. SSAI holds ISO 9001:2015 and CMMI Level 3 certifications.LANHAM, MD