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GCA Services Group, Inc.


GCA Services Group, Inc., an ABM Company, is a leading national provider of quality facility services, including janitorial/custodial services, contamination control for clean room manufacturing, facilities operations and maintenance, grounds management, in-sourced production staffing and labor management, diversified staffing, and more.

With over 37,000 employees in 46 states, the District of Columbia, and Puerto Rico, GCA serves a variety of sectors, including K-12 schools, higher education, manufacturing, corporate office buildings, high-tech, bio-pharmaceutical, nuclear power, energy & utilities, defense, the rental car market, and others. Our clients include numerous Fortune 100 companies.

GCA's management team is recognized as one of the strongest and most experienced in the industry.


GCA's mission is to be the premier national provider of facility services to education and commercial clients by delivering the best value in terms of quality, service, and price.

Our goals and philosophies consist of four simple points:

  • To be the best in quality of work and in service
  • To act with integrity by exceeding commitments to clients and employees
  • To enable our people to grow in skills and achievement
  • To grow responsibly, consistent with achieving the above goals


  • Janitorial/Custodial
  • Green Cleaning
  • Cleanroom - Critical Environment Cleaning
  • Facilities Operations and Maintenance
  • Grounds Management
  • Rental Car Labor Management and Support Services
  • In-sourced Production Staffing and Labor Management
  • Staffing Services
  • Support Services
  • Recycling Programs