Uberti made the parts, unassembled and unfinished for the first run of Colt repros, the 2nd generation in the 1970's. They were assembled and finished by Iver Johnson for Colt.
The 3rd generation, so-called "Signature Series" were not made by Uberti, at least not exclusively, I see identifiably ASM parts in them. Those, made in the 1980's, were assembled and (poorly) finished by a vendor in Brooklyn, N.Y., Colt Black Powder.
The 2nd gen Colts are as good as anything ever made, if you can buy one, get it. The 3rd gen is better left in the box.
Ubertis, though not color cased as well, or polished as well are shooters and well worth their money.