Moon Property
- Offers deeds for lunar properties.
- http://www.lunarregistry.com

BuyUranus.com
- An extraterrestrial real estate company offering title to a 1-square mile piece of Uranus.
- http://www.buyuranus.com/

Planetary Investment
- Offering moon property deeds.
- http://www.planetaryinvestments.com/

Moon Land
- Offering one acre parcels of land on the Moon with deed, map, and mineral rights.
- http://www.lunarlandowner.com/

Crystal Nebulae
- Offers three-dimensional sculptures of astronomical objects.
- http://www.crystalnebulae.co.uk/

Stardatecards
- Laser transmission of customized messages into space.
- http://www.stardatecards.com

MoonEstates
- Offers lunar land parcels as well as moon-themed mugs, t-shirts, and baseball caps.
- http://www.moonestates.com