http://hitchnfish.com/2014/08/26/slap-a-stick-gallery/ -fill out the form at the bottom to request the sticker
http://www.johnbuckley.org/bumper_stickers

https://www.hyundaiusa.com/loyalty/?cmpid=65481

http://www.topica.com/f/v.html?900135506.900102738

http://www.saabparts.com/en-us/usa/offers/part-offers/consumer-offers/ -you need a Saab VIN to request it

http://shotcost.com/deal/sale/1293 for new customers only

http://www.hostgator.com/sticker.php

http://www.obrien.com/sticker-request/

http://www.weareyoga.com/get-a-free-sticker/

http://www.backcountry.com/Store/global/stickerRequest.jsp  -they have a new colored sticker available every month on the 15th.