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Addison Group Named Among the Largest Staffing Firms for 10th Consecutive Year

Addison Group

CHICAGO (August 25, 2026) — Addison Group, a national leader in talent solutions and consulting services, is proud to be named one of Staffing Industry Analysts’ (SIA) 2026 Largest Staffing Firms in the U.S., marking a decade on the list.

For the past decade, Addison Group has proven to be a leader in multiple categories:

“For 10 consecutive years, Addison Group has shown that our company is a top leader in the staffing industry. None of this would be possible without our dedicated team members, whose commitment to clients and candidates is second to none. I wish to extend my most sincere congratulations to everyone at Addison Group and each of the companies featured on this list.”

Thomas Moran, CEO, Addison Group

Together, the 214 companies named on this year’s list generated more than $122 billion in U.S. staffing revenue, which accounted for nearly 70% of the market. Each company generated at least $100 million in U.S. staffing revenue in 2025. This list represents SIA’s 31st annual report on the largest staffing firms in the U.S.

Addison Group has also been named to the Largest Staffing Firms Globally list for the third year in a row. This list details the 100 largest staffing firms globally, which cumulatively generated $256 billion in revenue in 2025. The global staffing industry experienced its first year of annual growth since 2022, according to SIA.

Addison Group specializes in talent solutions and consulting, offering a full suite of capabilities across the Information Technology (IT), Finance & Accounting (F&A), Digital Marketing, Healthcare, Human Resources (HR), and Administrative sectors.

*SIA Members can view/download the SIA 2026 Largest Staffing Firms in the U.S. list

Media Contact:

Anna Lonsway
anna.lonsway@addisongroup.com