- Golf Club Atlas
- Features include interviews, opinions, art, photographs, descriptions, listings and a discussion group that is visited by professionals, masters and students from various parts of the world.
- The Tom Simpson Society
- Society dedicated to one a golf course architects from the Golden Age of Architects (1877 - 1964). Biography, quotes and work are featured.
- Tillinghast Association
- A society to share the genius of Albert Warren Tillinghast his principles of modern golf course architecture and design.