Advanced Telescope Systems, Inc 877-967-2673 / Anaheim, CA Portable & permanent telescope piers. | AquilaDigital Partnership Monticello, IL Astronomy software and radio programs. | Astro Custom Cases 310-337-1707 / CA High quality, hand-made custom cases for the astronomy enthusiast & professional. | Astro-Physics, Inc 815-282-1513 / Machesney Park, IL Develops telescopes and accessories for the advanced amateur. | The Astronomy Store 859-225-7986 / Lexington, KY Astronomy books, telescopes, space toys, calendars, posters, prints, etc. | Celestron, LLC 310-328-9560 / Torrance, CA Designer, manufacturer and importer of high-quality optical products including computerized and non-computerized telescopes and related accessories, binoculars, spotting scopes and microscopes. | Company Seven 301-604-2500 / Montpelier, MD A resource for the international astronomical community and a registered U.S. Department of Defense contractor. | DayStar Filters LLC 660-747-2100 / Warrensburg, MO Filtergrams, hydrogen alpha filters, calcium filters, energy rejection filters. | Imaginova 212-703-5800 / New York, NY An integrated multimedia content & commerce company capturing people’s fascination with space, science and technological innovation across consumer, education and professional markets. | Le Sueur Manufacturing Company, Inc 205-822-0720 / Birmingham, AL Heavy-duty, permanent, telescope-mounting piers. | LOMO America, Inc 888-446-7842 / Prospect Heights, IL Microscopes, endoscopes, night vision devices and spotting scopes/telescopes. |
| Meade Instruments Corp Irvine, CA Designs and manufactures telescopes and accessories for amateur astronomers. | Mountain Instruments 530-346-9113 / Colfax, CA Telescope mounts. | Nu-Tek 410-273-7070 / Aberdeen, MD Specializes in the design & manufacture of custom and prototype precision optical components and systems, including on- and off-axis telescopes and laser beam expanders for the UV, Visible and Infrared spectra, massive optics to 60", and more. | Observa-Dome 601-982-3333 / Jackson, MS Manufacturer of observatory domes, missile tracking, and laser ranging shelters. | Obsession Telescopes 920-648-2328 / Lake Mills, WI Producer of portable deep sky telescopes. | Orion Telescopes & Binoculars 800-447-1001 / Santa Cruz, CA Largest multi-channel brand of quality optics for amateur astronomers and outdoor enthusiasts in North America. |
| | Parallax Instruments, Inc 919-570-3140 / Youngsville, NC Specializing in large aperture Ritchey-Chretien, Newtonian, and Classical Cassegrain telescopes and German equatorial mountings. | Particle Wave Technologies 415-250-7406 / San Rafael, CA DDCAPs, monolith support systems, pinnacle support systems, replacement plugs. | Pier Components 888-965-3762 / Middleburg, PA Playground telescopes. | ProtoStar 866-227-6240 / Worthington, OH Newtonian secondary mounts & mirrors, tubes & accessories. | Rigel Systems 310-375-4149 / Rancho Palos Verdes, CA Manufacturer of innovative astronomy accessories. | RobinCasady.com Carmel, CA Astro accessories. | Santa Barbara Instrument Group (SBIG) 805-571-7244 / Santa Barbara, CA CCD autoguiders, cameras, spectrographs, filters, and software - CCDOPS, Planet Master, CCDSharp, CCDSoftV5, EquinoX, CCDAutoPilot. | Sky Spot 800-363-9540 / Bountiful, UT Publishers of the "Finder Charts" for Telrad Users. | Software Bisque 800-843-7599 / Golden, CO Paramount ME robotic and Bisque TCS telescope control systems, software - TheSky6, TPoint, CCDSoft, Orchestrate, AutomaDome, Pocket Edition, PrecisionPEC, Grand Tour, and BOSS. | Starmaster™ Telescope 620-638-4743 / Arcadia, KS Manufacturer of 11" and 12.5" ELT Scopes, and 14.5" through 24" conventional Truss Scopes. | Starsplitter Telescopes 805-492-0489 / Thousand Oaks, CA High quality Alt-Azimuth Newtonian Telescopes. | Takahashi America 713-529-3551 / Houston, TX Manufactures refractors, Newtonian reflectors, Cassegrain/Newtonians, classical Cassegrains, hyperbolic astrographs, corrected Baker RC astrographs, mounts and oculars. | Teleport Telescopes 972-442-5232 / TX Telescope designer & manufacturer. | Tele Vue Optics 845-469-4551 / Chester, NY Telescopes, eyepieces, filters, mounts & accessories, photo accessories. | TL Systems 951-922-8502 / Banning, CA Astronomical products including the EzCBP Cylindrical Bearing Platform, and the EzDSC "DSC object finder in your pocket". | Unitron 631-589-6666 / Bohemia, NY Refractor telescopes and ImageTrac™, an automatic celestial navigation system. |
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