A.D. Stump vertical, cast. Classicrendezvous site has some images in the USA builder section.
Art also made a front dropout, I have a set of those hiding, a three pc affair, a thin plate with aluminum fittings to increase the width at the axle region.
3Rensho Superend investment cast. short horizontal, I have a loose pair somewhere, they are heavy!
Tito cut and milled ends by Keith Andersen.