S-RAM Dynamics is a engineering and technology company company specializing in engines, hyrdaulic motors and pumps, compressors, and expanders. It's flagship technology is the S-RAM engine design. A novel design, it is more efficient, less costly, more durable, and significantly smaller than comparable crankshaft engines. The S-RAM drive mechanims can be mechanically modulated and are used in S-RAM Dyanmics' compressors, motors, and pumps.