No guns or ammo
Craig
No.
No, they do not
No, Sam's Club - which is owned by Wal Mart - does not sell firearms. Wal Mart does sell firearms, but only long guns.
gunlistings.org armslist.com
The company Beretta sells sportsman gear. They specialize in the sale of firearms and also sell all accessories for the avid sportsman. This ranges from firearms to clothing sales.
No. See related link at the bottom.
Provided you meet all the requirments, yes.
Brownells sells firearms and firearm accessories.
Gunbroker.com, auctionarms.com. gunsamerica.com, "want to sell" threads on firearms related forums.
You need an attorney.
Assuming you mean Firearms Retailers in the US- as of 10 Jan 2013, there are 58,725 businesses licensed to sell firearms to the general public. Many of them, such as chain stores, will have multiple locations.