Salt of the Earth (Herbert J. Biberman, 1954) - The Criterion Collection had released this film on their Voyager label on Laserdisc.
Beat the Devil (John Huston, 1953)
Hollow Triumph (Steve Sekely, 1948)
Some background on The Film Detective from their webpage:
The Film Detective founder Philip Hopkins has channeled his life-long passion for film collecting into the leading purveyor of classic film restoration and distribution of broadcast-quality, digitally-remastered material. Since launching services in 1999, he has distributed his film library into the home video market and through leading broadcast platforms such Turner Classics Movies, American Movie Classics, NBC, Hulu, Amazon, EPIX HD.