I found a couple more US agents that accept e-mails and seem worthwhile, so here they go.
I don’t hold much hope for any of these, as most of them require just a pitching letter, which I’m not that good at writing.
1. Scott Hofman at Folio Literary Agency
Commercial fiction offering. Query letter sent via form.
2. Frances Collin
Fantasy offering. Query letter.
3. Russel Galen at Scovil, Galen & Ghosh
Fantasy offering. Query letter.
4. Ethan Ellenberg Agency
Fantasy offering. Query letter, synopsis and first three chapters in the body of the mail.
5. Barry Goldblatt Literary
Fantasy offering. Query letter, synopsis and first five pages in the body of the mail.
6. Nelson Literary Agency
Fantasy offering. Query letter.
7. Nicole LaBombard at Rees Agency
Fantasy offering. Query letter and first ten pages in the body of the mail.
8. John Silbersack at Trident Media Group
Fantasy offering. Query letter and a brief synopsis.
James Calbraith 