
Arms trafficking or gunrunning is the illicit trade of contraband small arms and ammunition, which constitutes part of a broad range of illegal activities often associated with transnational criminal organizations. The illegal trade of small arms, unlike other organized crime commodities, is more closely associated with exercising power in communities instead of achieving economic gain. Scholars estimate illegal arms transactions amount to over US$1 billion annually.

BPS Direct, LLC is an American privately held retailer of hunting, fishing, camping and other related outdoor recreation merchandise. Bass Pro Shops supports and sells merchandise for the National Audubon Society.

Brew City Shooter Supply, previously known as Badger Guns and Badger Outdoors is a gun shop in West Milwaukee, Wisconsin, just outside Milwaukee. The business has been investigated for alleged "straw purchase" sales of firearms and ammunition that brought it attention from the media and the U.S. BATF. In 2015, the firm was ordered to pay nearly $6 million to two police officers for having illegally sold a gun.

Cabela's Inc. is a subsidiary of Bass Pro Shops, an American direct marketer and specialty retailer of outdoor recreation merchandise based in Sidney, Nebraska. Cabela's was founded by Richard N. Cabela in 1961.

Field & Stream is a retailer of hunting, fishing, camping, and related outdoor recreation merchandise that is a subsidiary of Dick's Sporting Goods. Despite its name, the retailer has no association with Field & Stream magazine, the seminal outdoor publication, founded in 1895. The company's logo date of "1871" references the origination of Gordon & Ferguson Merchandising Company, who sold clothing under the brand "Field and Stream" starting in 1915. Dick's purchased licensing rights to the name from Gordon and Ferguson's successors in 2012.The company is in no way related to the famous magazine of the same name, and has no corporate history before 2012. The "1871" reference is meant to suggest that the company was founded over 100 years ago.

Gander Outdoors, formerly Gander Mountain, Inc., headquartered in St. Paul, Minnesota, is a retail network of stores for hunting, fishing, camping, and other outdoor recreation products and services.

A gun shop is a business establishment that sells small arms, such as handguns and shotguns, to individuals in an open shopping format. It may also provide repairs for firearms and their parts. Other items such as ammunition and accessories for hunting are frequently sold on the premises as well, even including souvenir t-shirts. Often having designs reminiscent of other establishments such as department stores displaying various items of clothing on racks and grocery stores displaying various foodstuffs on shelves, these firms operate under widely different gun control laws depending on the specific nation-state and locality involved. Some locations may only employ a single gunsmith in a small space while others might have many individuals working in a large space.

In the United States, a gun show is an event where promoters generally rent large public venues and then rent tables for display areas for dealers of guns and related items, and charge admission for buyers. The majority of guns for sale at gun shows are modern sporting firearms. Approximately 5,000 gun shows occur annually in the United States.

GunBroker.com is an auction website based in Atlanta, Georgia, United States specializing in the sale of firearms and related items.

High Bridge Arms was the last remaining gun shop in San Francisco.

Hogue, Inc., is an American company that manufactures and distributes firearms accessories and related products. Founded in 1968 in California, and now based in Henderson, Nevada, the company is best known for its pistol grips.

MidwayUSA is a privately held American retailer of various hunting and outdoor-related products. The company is headquartered in Columbia, Missouri, and sells in the continental United States. The company markets online.

The SHOT Show is an American annual trade show for the shooting, hunting, and firearms industry.

Smith & Wesson (S&W) Brands, Inc. is an American manufacturer of firearms, ammunition and restraints. The corporate headquarters is in Springfield, Massachusetts.

Sportsman's Warehouse is an American outdoor sporting goods retailer which operates in 25 states across the United States, including Alaska. Sportsman's Warehouse sells apparel, footwear, and gear which caters to sportsmen and sportswomen with interests in hunting, shooting, reloading, camping, fishing, and other outdoor recreational activities.