http://www.dre.ca.gov/

California Bureau of Real Estate

www.metrolistpro.com

MetroList Pro

http://auctionschools.com/

Western Collage of Auctioneering  

www.loopnet.com/

Loop Net

www.toygrader.com/

Action Figure Authority

agigems.com/

Diamond Grading

www.tjrauctions.com

Tyghe Richardson Auctions