http://www.nikwax.com/en-us/webquiz/index.php -take the quiz. You have to get the questions correct, but you can take the quiz again until you do. You can get samples from them every 2 months, it’s been over 2 months since this was last posted.
http://www.nikwax.com/enmygb/webquiz/index.php -you can also take the quiz on this page to get a free Down Wash Direct Sample.
http://guardianmitespray.com/page/14/email-us -select sample request from the “subject” section and fill out the form to get a Free Guardian Mite Spray Sample
https://www.facebook.com/OcedarClean/app_1445141412459617 -the first 1,000 who fill out the form each day starting Wednesday, November 18 at 1PM eastern will get a Free O-Cedar Scrunge Scrub Sponge.
http://www2.easyclosets.com/requestSample.aspx -fill out the form to get a Free EasyClosets Sample Kit
http://www.amphibians.org/news/free-base-testing-kits/ -fill out the form to get Free Bsal Testing Kits for Pet Salamanders & Newts
https://www.samplesource.com/? -login or register to get your Fall season samples from Samplesource which are live now.
http://www.tufftowel.com/contest.html -the first 1,000 who fill out the form get a Free Microfiber Tuff Towel
http://www.creativesafetysupply.com/content/landing/samples-floor-tape/index.html -fill out the form to get a Free Creative Safety Supply Floor Tape Sample Box