Lemond had two sources of titanium frames in the early 90s. Latter one was/should be Sandvik. I had a 93 Titanium DA, a Sandvik made bike.
And a Trek era 97 Zurich frame of 853. These LeTreks were still considered very good riders.
Actually there were a minimum of four and possibly more.
Litespeed, Sandvik and Trek are confirmed to have made production ti Lemonds at various stages. Merlin made SOME team Lemonds, how many is up for debate. Sampson might have made some as well.