OnShift is Optimum's #1 competitor. OnShift's headquarters is in Cleveland, Ohio, and was founded in 2007. Like Optimum, OnShift also works within the Media, Entertainment and Arts sector. OnShift generates 891% of Optimum's revenue.
CareSystems, Inc. is one of Optimum's top rivals. CareSystems, Inc. was founded in Rockville, Maryland} in 1992. CareSystems, Inc. operates in the Systems Software industry. Compared to Optimum, CareSystems, Inc. generates $5.5M more revenue.
Circadian Zirclight, Inc. is one of Optimum's top competitors. Circadian Zirclight, Inc. is a Private company that was founded in 1983 in Stoneham, Massachusetts. Circadian Zirclight, Inc. is in the Systems Software industry. Compared to Optimum, Circadian Zirclight, Inc. has 83 fewer employees.