ILM and Image-G, along with the Excelsior, Bird of Prey, Merchantman and Spacedock. In-universe? Don't know... I don't think there was a plaque for the Grisson's bridge but probably either Utopia Plenitia or SF Fleetyards. Ex Astris probably has an article about it.
They have an article debating the correct size of the Oberth class, but I only found a couple fan made dedication plaques for the Grissom.
I did find another interesting picture I wasn't looking for...
