CUBEX Portable Planetarium
Portable astronomical planetarium with inflatable dome.
http://www.zps.com.ar

Brian Greig Orreries
Beautiful hand crafted orreries for teaching and personal use.
http://www.geocities.com/RodeoDrive/9457/orrery.html

David Chandler Company
Quality software and publications for astronomy and astronomy education.
http://www.davidchandler.com

Celestial Products
Astronomy and science resources like moon calendars, books, charts, atlases and gifts for all ages.
http://www.celestialproducts.com/

Space Craft International
Scale models kits of spacecrafts.
http://scikits.com/

Software Bisque
High quality astronomy software and high tech parts and telescopes accessories.
http://www.bisque.com

Eclipse Masters
Designs and manufactures various products in the areas of astronomy, entertainment, optics, as well as unique advertising items.
http://www.eclipsemasters.com

Celestial Planisphere
Star maps designed to offer a way to learn all about the stars and galaxies. They all have a coat of phosphorescent paint that makes them glow in the dark.
http://www.auralia.com/mapas/pages/planisphere.htm

Starlab Portable Planetarium
Portable planetarium and low-cost hands-on science materials.
http://www.starlab.com/

Celestron International
Manufacturer of a wide range of telescopes and accessories.
http://www.celestron.com

Spaceshots
Astronomy books, software, star atlases, observing guides, Earth imagery and space related products.
http://www.spaceshots.com/

Rob Walrecht Planispheres
Planispheres for various latitudes for northern and southern hemispheres and in various languages as well. Also customized planispheres.
http://www.walrecht.nl

Apogee Inc.
Distributor of wide range of telescopes and accessories.
http://www.apogeeinc.com

Orion Telescopes and Binoculars
Dealer of telescopes, binoculars, and accessories for amateur astronomers and nature enthusiasts.
http://www.telescope.com

Astronomy Magazine
Amateur astronomy magazine.
http://www.astronomy.com

Goto Optical Mfg. Co.
Manufacturer of big and scholar planetariums.
http://www.goto.co.jp

MMI Corporation
Educational materials for astronomy including 35mm slides, videos, CD-ROMs, models, planetariums, celestial and planetary globes, murals, spacecraft kits.
http://members.aol.com/mmicorp/

Willmann-Bell, Inc. Publishing
Publishers and booksellers of astronomy books, maps, charts and catalogs.
http://www.willbell.com

Questar Corporation
Manufacturer of a classic design telescope.
http://www.questarcorporation.com

Space Posters Gateway
Provides information and prices of space posters, along with related links and space news.
http://shugyoku.jp/space-posters/