Game Developer Genealogical Chart

Sanritsu (1973 - present) (no longer involved with video games)
     |
     |-----> A.I (1990 - present)
     |
     |-----> Shimada Kikaku (19?? - 200?)/S-Plan (200? - 200?)
     |
     |-----> SIMS (1991 - present) (spinoff of Sanritsu's game division)

Arc (1988 - 199?)/Arc System Works (199? - present)
     |
     |-----> Minato Giken (199? - 1997)

Communicate (19??-1987)
     |
     |-----> Sonata (1987 - 198?)/Human (198? - 1999)
     |            |
TRY (19??-1987)   |-----> 5pb.
                  |
                  |-----> Grasshopper Manufacture
                  |
                  |-----> Nude Maker
                  |
                  |-----> S-Neo
                  |
                  |-----> Sandlot
                  |
                  |-----> Suzak
                  |
                  |-----> Vaill