Apparatus is perceived as one of Gelman, Rosenberg & Freedman's biggest rivals. Apparatus's headquarters is in Detroit, Michigan, and was founded in 2010. Apparatus operates in the Management Consulting Services industry. Apparatus generates 328% of Gelman, Rosenberg & Freedman's revenue.
Insyte has been one of Gelman, Rosenberg & Freedman's top competitors. Insyte is a Private company that was founded in 1998 in Birmingham, Alabama. Insyte operates in the Business Support Services industry. Compared to Gelman, Rosenberg & Freedman, Insyte has 43 more employees.