The start of a new decade brings the second installment of the National Golf Foundation’s Top 100 Businesses in Golf initiative, an effort that highlights the vitality, size and diversity of the $84 billion golf industry.

NGF research shows that approximately one out of every 10 people in the U.S. expects to purchase a golf-related gift for a friend or family member this holiday season.

The Internet is changing sales tactics everywhere and as Amazon becomes a bigger force in retail, it is affecting nearly every vertical and category — golf included.

PGA TOUR Superstore President Dick Sullivan is the first executive from the golf retail side of the industry to ever serve as chairman of the NGF’s Board of Directors. In an in-depth Q&A, Sullivan talks about Superstore’s momentum and growth, the evolution of golf retail, the impact of Amazon and EBay on golf, and challenges facing the golf industry.

A visual look at the PGA Merchandise Show, the golf industry’s annual “Major of Golf Business.” The four-day event attracts more than 40,000 industry professionals from around the world to discover the newest trends and technology from more than 1,000 exhibiting golf companies and brands.