Yes, Landmark still buys and sells all sorts of older equipment that is either end of life or close to it.
-IBM 2074, 3174, 5394, 5494 controllers and parts
-Perle, Bosanova, Visara, and Telex controllers and parts
-IBM 3151, 3153, 3179, 3191, 3192, 3471, 3472, 3481, 3482, 3483 dumb terminals
-Decision Data, Memorex Telex, ADDS, Wyse, I-O, Idea and more
-We sell complete units as well as parts. power supplies, mother boards, logic boards, control panels, keyboards, monitors, logics, t-connectors, y-connectors, keycaps and more
-Call us before you give up on finding hard to source parts.