Brian Greig Orreries - Beautiful hand crafted orreries for teaching and personal use.

David Chandler Company - Quality software and publications for astronomy and astronomy education.

Celestial Products - Astronomy and science resources like moon calendars, books, charts, atlases and gifts for all ages.

Science Art Company - Mechanical models of the solar system called "orrery", that depicts the planets and moons of the solar system in different semi-precious stones or solid brass.

Space Craft International - Scale models kits of spacecrafts.

Software Bisque - High quality astronomy software and high tech parts and telescopes accessories.

Eclipse Masters - Designs and manufactures various products in the areas of astronomy, entertainment, optics, as well as unique advertising items.

Meade Instruments Corporation - Manufacturer of a wide range of telescopes and accessories.

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.

Starlab Portable Planetarium - Portable planetarium and low-cost hands-on science materials.

Celestron International - Manufacturer of a wide range of telescopes and accessories.

Spaceshots - Astronomy books, software, star atlases, observing guides, Earth imagery and space related products.

Rob Walrecht Planispheres - Planispheres for various latitudes for northern and southern hemispheres and in various languages as well. Also customized planispheres.

Apogee Inc. - Distributor of wide range of telescopes and accessories.

Orion Telescopes and Binoculars - Dealer of telescopes, binoculars, and accessories for amateur astronomers and nature enthusiasts.

Sky and Telescope Magazine - World wide recognized amateur astronomy magazine.

Astronomy Magazine - Amateur astronomy magazine.

Goto Optical Mfg. Co. - Manufacturer of big and scholar planetariums.

MMI Corporation - Educational materials for astronomy including 35mm slides, videos, CD-ROMs, models, planetariums, celestial and planetary globes, murals, spacecraft kits.

Willmann-Bell, Inc. Publishing - Publishers and booksellers of astronomy books, maps, charts and catalogs.

Questar Corporation - Manufacturer of a classic design telescope.