Those Meylans really got around; they're synonomous with the Swiss watch industy and through history the names associated with many Swiss watch companies had a Meylan or two in there someplace.
C.H. Meylan
Mostly older pocketwatctches. Superb quality.
A.E. and J.R. Meylan
Wrist chronographs.
Meylan Stopwatch Company
Still around today, in New Jersey; they mostly sell stopwatches but made some wristchronographs.
Claude Maylan
Contemporary watches.