GammaTech is a major manufacturer of portable notebook computers. Product lines including Durabook (D14RM, D14E, D15TS, D15RP, R13S, RT10A, RS10A ...) Slimnote (N10L2..), GammaTech has positioned itself as one of the largest suppliers of innovative notebook computers in the world. GammaTech is the first manufacturer to bring ruggedized notebooks to the mass consumer market.