Addison Group named to largest US staffing firms list for 10th consecutive year
CHICAGO (June 30, 2026) — ADDISON GROUP, a national leader in talent solutions and consulting services, is proud to be named to Staffing Industry Analysts’ (SIA) list of Largest Staffing Firms in the U.S. 2026, marking its 10th consecutive year on the list.
This is SIA’s 31st annual report on the largest staffing firms in the U.S. This year’s report highlighted 214 companies that generated at least $100 million in U.S. staffing revenue in 2025. Together, the companies on this list generated $122.4 billion in revenue, accounting for almost 70% of the market, according to SIA’s estimates.
“For 10 years, Addison Group has been recognized for its hard work and dedication to the staffing industry. The amazing people of our company set the standard for what it means to be the very best within talent solutions. Our success is a direct result of their commitment and tenacity. I share this achievement with everyone at Addison Group and extend my congratulations to the companies also on this list.”
Thomas Moran, CEO, Addison Group
Addison Group is dedicated to delivering top talent and tailored, high-impact talent solutions across the Information Technology (IT), Finance & Accounting (F&A), Digital Marketing, Healthcare, Human Resources (HR), and Administrative sectors. Addison Group also continues to prioritize agility, authenticity, and human connections in its operations.
*SIA members can view/download the SIA 2026 Largest Staffing Firms in the U.S. lists.
About Staffing Industry Analysts (SIA)
Staffing Industry Analysts (SIA) is the premier global research and advisory firm focused on staffing and workforce solutions that offers member-only access to real-time data, market intelligence, extensive research, industry expertise, and leading analysis. SIA’s trusted annual assessments are considered the gold standard in human capital management.
