This industry comprises establishments primarily engaged in the merchant wholesale distribution of sporting goods and accessories; billiard and pool supplies; sporting firearms and ammunition; and/or marine pleasure craft, equipment, and supplies. Cross-References. Establishments primarily engaged in-- ? Merchant wholesale distribution of motor vehicles and trailers--are classified in Industry 423110, Automobile and Other Motor Vehicle Merchant Wholesalers; ? Merchant wholesale distribution of motorized passenger golf carts--are classified in Industry 423860, Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers; and ? Merchant wholesale distribution of athletic apparel and athletic footwear--are classified in Industry Group 4243, Apparel, Piece Goods, and Notions Merchant Wholesalers.