Kelly Services, Inc., together with its subsidiaries, provides workforce solutions to various industries. The company operates through five segments: Professional & Industrial; Science, Engineering & Technology; Education; Outsourcing & Consulting; and International.

Heidrick & Struggles International, Inc., together with its subsidiaries, provides executive search, consulting, and on-demand talent services to businesses and business leaders worldwide.

ManpowerGroup Inc. provides workforce solutions and services in the Americas, Southern Europe, Northern Europe, and the Asia Pacific Middle East region.

HireQuest, Inc. provides temporary staffing solutions in the United States. The company provides temporary staffing services, including skilled and semi-skilled labor and industrial personnel, clerical and administrative personnel, and construction personnel.

Korn Ferry, together with its subsidiaries, provides organizational consulting services worldwide. It operates through four segments: Consulting, Digital, Executive Search, and Recruitment Process Outsourcing (RPO) & Professional Search.

Hudson Global, Inc. provides talent solutions for mid-to-large-cap multinational companies and government agencies under the Hudson RPO brand in the Americas, the Asia Pacific, and Europe.

Insperity, Inc. provides human resources (HR) and business solutions to improve business performance for small and medium-sized businesses. The company offers its HR services through its Workforce Optimization and Workforce Synchronization solutions that include a range of human resources functions, such as payroll and employment administration, employee benefits, workers' compensation, government compliance, performance management, and training and development services.

Barrett Business Services, Inc. provides business management solutions for small and mid-sized companies in the United States. The company develops a management platform that integrates a knowledge-based approach from the management consulting industry with tools from the human resource outsourcing industry.

TrueBlue, Inc., together with its subsidiaries, provides specialized workforce solutions in the United States, Canada, and Puerto Rico. It operates through three segments: PeopleReady, PeopleManagement, and PeopleScout.

Robert Half International Inc. provides staffing and risk consulting services in North America, South America, Europe, Asia, and Australia. The company operates through three segments: Temporary and Consultant Staffing, Permanent Placement Staffing, and Risk Consulting and Internal Audit Services.

TriNet Group, Inc. provides human resources (HR) solutions, payroll services, employee benefits, and employment risk mitigation services for small and midsize businesses in the United States.