Concorde Guitars were an American brand based in Buffalo NY who were active around 1986 making superstrat electric guitars. There are also earlier Concorde branded acoustics and electrics, most likely made in Japan.  Other manufacturers have released models called Concorde or Concord including Atlansia, Ibanez, Samick, Jackson, Westone and Fender.

Source: Concorde Guitars catalog, 1986.