http://togethergreen.org/ -it was first 1000, so they’re probably all gone now

http://petitecuisine.com/~freesample/

http://www.seagrant.wisc.edu/zebramussels/orderform.asp

http://www.covance.com/promo/vaccine_calendar08.php

http://www.livereduva.com/join-club-red -you have to be a virginia resident to get this

http://www.totalcerealsample.com -copy and paste the link. If you did this recently it might not let you sign up again

http://www.activepetfeeds.com/sample_request.php -thanks xbox360sampler

http://mlb.mlb.com/mlb/events/nbbcd/register_popup.jsp -It’s live now-first 10,000

http://www.peta2.com/outthere/o_kasabian.asp?c=peta2_enews