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.

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.

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

Kforce Inc. provides professional staffing services and solutions in the United States. It operates through two segments, Technology, and Finance and Accounting (FA).

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.

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.

Paychex, Inc. provides integrated human capital management solutions for human resources (HR), payroll, benefits, and insurance services for small to medium-sized businesses in the United States, Europe, and India.

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.

ZipRecruiter, Inc., together with its subsidiaries, operates a marketplace that connects job seekers and employers. Its platform is a two-sided marketplace, which enables employers to post jobs and access other features, where the job seekers are able to apply to jobs with a single click.

Kanzhun Limited operates an online recruitment platform, BOSS Zhipin in the People's Republic of China. Its recruitment platform assists the recruitment process between job seekers and employers for enterprises, and corporations.

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.