Sports card price guide and collecting industry magazine publisher founded in 1984 by James Beckett. Their site offers a news blog, live product break videos, set checklists, price guides, and card grading services.
Professional Sports Authenticator offers card and autograph grading services. Their site also publishes online price guides and card population reports by grade.
Online database website with front and back pictures for well over 1 million listed cards. It covers a wide range of baseball, basketball, football, golf, boxing, hockey, racing, soccer, tennis, wrestling, mma and nonsports cards.
Card company originally founded in 1988 by Paul Sumner and Richard McWilliam which revolutionized the hobby by including high-quality photographs and holograms on each card. They currently produce hockey and non-sports cards, though they also created baseball, basketball and football cards in the past.