All data points are estimates provided by the Clutch team.

All data points are estimates provided by the Clutch team. Each data point can change at any time and is subject to the company’s discretion once they claim ownership over their Clutch profile.

Work at this company?

Claim Profile

Staffing and Recruiting Services

Established in 1965 by the late John Callos, Callos Resource has grown from one office in Youngstown, Ohio to 21 offices scattered throughout Ohio, Pennsylvania, Kansas, Kentucky, and Maryland. Callos provides a broad range of human resource services to a variety of businesses which include temporary services, direct hire services, payroll services, and medical/nursing services.

Read more...
Undisclosed
Undisclosed
50 - 249
Founded 1965
Pittsburgh, PA
headquarters
  • 434 Boulevard of the Allies,
    Pittsburgh, PA 15219
    United States

Focus

Service lines
100%
HR Services
HR Focus
50%
50%

Reviews