Gun Companies
www.czusa.com
www.springfieldarmory.com
www.benelliusa.com
www.drakesgunworks.com
www.rockriverarms.com
www.lewismachine.net
www.noveskerifleworks.com
http://www.colt.com/
http://www.smith-wesson.com/

Suppressors
www.gem-tech.com
www.yhm.net/soundsuppression.php
www.surefire.com
www.swrmfg.com
www.aaccanu.com
http://www.advanced-armament.com/

Knives
www.rickhindererknives.com 
www.benchmade.com
http://www.emersonknives.com/

Optics
www.trijicon.com
www.zeiss.com/SPORTS
www.meopta.com

Misc.
http://gta.diablops.com
www.mesatactical.com
www.gggaz.com
http://www.vizualcandi.com/
www.tednugent.com
http://www.soviet-steel.com/