Coda Octopus Colmek (formerly known as Colmek Systems Engineering) is a company that develops and manufactures rugged embedded computers and electronics products for the defense and aerospace sectors. It offers analog to digital converters, diver processing packs (DPP), sonar systems, relocatable over-the-horizon radars (ROTHR), warfare equipment, etc. The company provides software development, printed circuit board (PCB) design, field programmable gate arrays (FPGAs) integration, prototyping, engineering, and other services.