A number of US publishers and composers are listed on the new eMusicForAccordion.com site.

The publishers and composers include:
“ATG Musical Archives” who have released the famous arrangements by Anthony Galla-Rini and Donald Balestrieri. Solo link (237 titles), Duet link (42 titles), Ensemble/Orchestra link (94 titles), Music books link (36 books). View the whole catalog at: ATG Musical Archives
Find Out More – Information by Prof. Joan Sommers about this magnificent historic catalog. 

Arranger, author, composer. The Gary Dahl collection includes 10 eBooks of different music styles and 203 individual arrangements. eSheet Music Gary Dahl Collection Solo link (199 titles) Music books link (10).

MusicForAccordion.com own publications include 422 titles. Well known composer Karen Fremar has published 21 compositions.

Other compositions come from such famous United States accordionists as (alphabetical order):
Don Grzanna, Jeff Lisenby, Larry Malmberg, Gary Morin, NAA Publishing, James O’Brien, Amy Jo Sawyer, William Schimmel, Mario Tacca, Stas Venglevski, Peter Wilk.

USA eBooks (text) is the popular Play Your Accordion Without Pain

and you can view
39 eBooks music by clicking the link.