Cabela's
http://www.cabelas.com/
CCI
http://www.cci-ammunition.com/
Cimarron F.A. Co.
http://www.cimarron-firearms.com/
Clark Custom Guns
http://www.clarkcustomguns.com/
Clymer Mfg. Co.
http://www.clymertool.com/
Colt's Mfg. Co. Inc. (Commercial Site)
http://www.coltsmfg.com/
Colt's Mfg. Co. Inc. (Military/Government Site)
http://www.colt.com/
Competition Electronics
http://www.competitionelectronics.com/
Competitor Corp. Inc.
http://www.competitor-pistol.com/
Connecticut Valley Arms
http://www.cva.com/
CorBon/Glasser Bullet Co.
http://www.dakotaammo.net/
CZ-USA
http://www.cz-usa.com/
Charles Daly
http://www.charlesdaly.com/
Charter Arms
http://www.charterfirearms.com/
DeSantis Holster and Leather Goods
http://www.desantisholster.com/
Dillon Precision Products
http://www.dillonprecision.com/
Dixie Gun Works Inc.
http://www.dixiegun.com/
D.P.M.S.
http://www.dpmsinc.com/
DSA Inc.
http://www.dsarms.com/
Dynamit Nobel/RWS Inc.
http://www.rws-munition.de/en/