Staffing Firm Lists & Market Share

2012 List of Largest U.S. IT Staffing Firms

July 17, 2012

  • Lists 33 companies with at least $100M in U.S. IT staffing revenue
  • Top four: TEKsystems (Allegis), Randstad Technologies, Experis (ManpowerGroup), Adecco
  • Companies cumulatively represent 63% of U.S. IT staffing market

2012 Staffing Acquirers Shopping List

July 17, 2012

  • Lists 162 staffing firms interested in making an acquisition in 2012
  • Provides top three industry segment and region choices and contact info
  • IT, Healthcare, Industrial top three acquisition choices

2012 List of Largest U.S. Staffing Firms

July 9, 2012

  • Lists 100 companies with at least $100M in U.S. staffing revenue
  • Top three:  Allegis Group, Adecco, Randstad
  • Companies cumulatively represent 53% of U.S. staffing market

2012 List of Fastest-Growing Staffing Firms

July 9, 2012

  • List of fastest-growing U.S. staffing firms.
  • The top 10 fastest-growing U.S. staffing firms had a median compound annual growth rate of 48.9 percent. 
  • IT dominates list.
  • 72 firms on this year's list

2011 Largest-, Fastest-growing Lists’ Late Additions, Updates

November 9, 2011

  • 2011 lists of largest- and fastet-growing firms gets update
  • Five new firms cataloged
  • Updates information for others

Differentiators of the Most Successful Staffing Firms

October 19, 2011

  • Underlying trends seen in the Fastest-Growing Staffing Firms list
  • The high-growth, local-branch business model
  • The high-volume, centralized business model

Differentiators of the Most Successful Staffing Firms - September 2011

September 27, 2011

  • High growth local branch model
  • High volume/centralized delivery model
  • Watch full webinar on demand (1 hr.)

The 2011 Book of Lists: A complete collection of staffing firm rankings and lists

August 11, 2011

  • Compilation of all 26 SIA annual lists in one sortable Excel workbook
  • Ranks hundreds of staffing firms' staffing revenue domestically, globally, and by staffing sector
  • Opportunity lists: fastest-growing, diversity, mentors/proteges, acquirers

2011 List of Largest U.S. Staffing Firms

August 3, 2011

  • Lists 98 companies with at least $100M in U.S. staffing revenue
  • Top three: Allegis Group, Adecco, ManpowerGroup
  • Companies cumulatively represent 53% of U.S. staffing market

2011 List of Largest Global Staffing Firms

August 3, 2011

  • Lists 86 companies with at least $300M in global staffing revenue
  • Top three: Adecco, ManpowerGroup, Randstad Holding
  • Companies cumulatively represent $150B of global staffing market