Astrographics Publishing
Publishes science and nature calendars, posters, gallery prints, and books.
http://www.astrographics.com

Astronomical League Sales
A variety of astronomy merchandise, including Astronomical League Observer books.
http://astronomicalleague.com

Astroshops
Offers Science Art Company products such as the mechanical models of the solar system called orreries.
http://shops.astronomy.com/

CAPMart
Aerospace educational materials, models, and gifts for sale.
http://www.capmart.org/

Celestial Products
Astronomical calendars, moon calendars, Hubble Space Telescope images, posters, starfinders/planispheres, atlases, books, charts, and gifts for all ages of the scientifically curious.
http://www.celestialproducts.com

Chart Markers And More
Accessories for use at star parties.
http://chartmarker.tripod.com

Easy Entertainment Pictures-Wall Decor
Large interior wall hanging art decor of NASA Hubble Telescope photos.
http://www.eznow.net

Everything in the Universe
Develops and sells its own unique astronomical and Oriental goods and services.
http://www.everythingintheuniv.com/

Indigo Night Graphics
Night sky posters customized for specific date, time and location.
http://www.indigonight.com

Moon Charts
Show phase of the Moon for every day of the year.
http://www.mooncharts.com.au/

Optics for You
Telescopes and accessories.
http://www.opticsforyou.com

Radio Astronomy Supplies
International supplier of products for radio astronomy.
http://www.nitehawk.com/rasmit/ras.html

Sky Image Lab
Offers large format astronomy images and photos from NASA.
http://www.skyimagelab.com/

Space And Astronomy
Offers books, posters, and videos.
http://www.spaceandastronomy.com.au

Space Toys
Offers a very large collection and variety of toys and replicas.
http://www.spacetoys.com

Star Magic
Space age gifts, toys, and gizmos.
http://www.starmagic.com/