Here's what I have for a list (* denote C&W listings) -
Michigan
Red Run GC* (??, Detroit)
New York
Wykagyl CC (Pre-1924, New Rochelle)
Pennsylvania
Alcoma CC* (1923, Pittsburgh/Wilkinson)
Ambridge CC *(1923, Ambridge)
Beaver Valley CC* (??, Beaver Falls/Patterson Heights) - Club dates back to 1903
Bucknell GC (1930, Lewisburg)
Butler CC* (Pre-1924, Butler) - Course expanded to 18 holes some time prior to 1929
Cedar Rocks CC* (??, Wheeling)
Chartiers CC* (1923, Pittsburgh)
Del Mar CC* aka Connoquenessing CC (1919, Ellwood City)
Edgewood CC* (Pre-1924, Pittsburgh)
Green Oaks CC* fka Westmoreland CC (??, Pittsburgh)
Greene County CC* (1915, Waynesburg)
Hannastown CC* (1919, Greensburg)
Highland CC* (1920, Pittsburgh/Bellevue)
Hill Crest CC* (1923, New Kensington)
Huntingdon Valley CC* (??, Philadelphia)
Kittanning CC* (1922, Kittanning)
Latrobe CC* (1921, Latrobe)
Monongahela Valley CC* (Pre-1924, Monongahela)
Montour Heights CC* (Pre-1920, Coraopolis)
Nemacolin CC* (1920, Beallsville)
North Park GC (1933, Allison Park)
Oakmont CC* (Multiple Years, Oakmont)
Oakmont CC (East)* (1938, Oakmont)
Pittsburgh Field Club* (1925, Pittsburgh)
Pleasant Valley CC* (1921, Mount Pleasant)
Shannopin CC* aka Ben Avon CC (1920, Pittsburgh)
St. Jude CC* (??, Chicora)
Tam O'Shanter GC (1929, Hermitage)
Titusville GC* (1917, Titusville)
Uniontown CC* (??, Uniontown)
Wildwood GC* (1927, Pittsburgh)
Texas
Willow Springs CC* aka Woodlands GC (1924, San Antonio)
West Virginia
Williams CC* (1931, Weirtown)