Below you can find logos, similar to the CalComp.

Calcomp 65 Calcomp 65 vector
CALCOMP CALCOMP  vector
CALCOMP CALCOMP  vector
GTCO CalComp GTCO CalComp vector
CalComp 66 CalComp 66 vector
CALCOMP SUMMAGRAPHICS CALCOMP SUMMAGRAPHICS vector