Paychex, Inc., together with its subsidiaries, provides integrated human capital management solutions (HCM) for payroll, benefits, human resources (HR), and insurance services for small to medium-sized businesses in the United States, Europe, and India. It offers payroll processing services; payroll tax administration services; employee payment services; and regulatory compliance services, such as new-hire reporting and garnishment processing. The company also provides HR solutions, including integrated HCM technology solutions and HR advisory services through both virtual and on-site availability of a professionally trained HR representative, as well as HR support to non-payroll clients through its HR Partner Plus solution; and retirement services administration, such as plan implementation, ongoing compliance with government regulations, employee and employer reporting, participant and employer online access, electronic funds transfer, and other administrative services. In addition, it offers cloud-based HR administration software products for employee benefits management and administration, time and attendance, digital communication solutions, recruiting, and onboarding solutions; plan administration outsourcing and state unemployment insurance services; various business services to small to medium-sized businesses comprising payroll funding and outsourcing services, which include payroll processing, invoicing, and tax preparation; and payment processing services, financial fitness programs, and a small-business loan resource center. Further, the company provides insurance services for property and casualty coverage, such as workers' compensation, business-owner policies, cyber security protection, and commercial auto, as well as health and benefits coverage, including health, dental, vision, and life. It markets and sells its services primarily through its direct sales force. The company was founded in 1971 and is headquartered in Rochester, New York.

Paycor HCM, Inc., together with its subsidiaries, engages in the provision of human capital management (HCM) solutions for small and medium-sized businesses (SMBs) primarily in the United States. It offers cloud-native platform to address the comprehensive people management needs of SMB leaders. The company's software-as-a-service based people management products include HCM Co, including HR and Payroll, a complete suite of HCM tools spanning HR, onboarding, payroll, compensation management, employee surveys, expenses, and reporting and analytics; Talent Acquisition, which provides a set of tools designed to streamline and optimize the entire hiring process, from sourcing and attracting candidates to managing the recruiting process; Talent Management, a suite for the development and retention of employees within an organization; Benefits Administration, a decision support solution to help leaders to streamline and optimize company's benefits administration; and Workforce Management, a solution with flexible time entry, overtime calculations, and scheduling capabilities with real-time payroll synchronization. It serves manufacturing, healthcare, restaurant, retail, professional services, nonprofit, and education industries through its direct sales teams. The company was founded in 1990 and is headquartered in Cincinnati, Ohio.

TriNet Group, Inc. provides comprehensive and flexible human capital management services for small and medium size businesses in the United States. The company offers multi-state payroll processing and tax administration; employee benefits programs, including health insurance and retirement plans; workers compensation insurance and claims management; employment and benefits law compliance; and other HR related services. It also provides technology platform, an online and mobile tool that allows users to store, view, and manager HR information and administer various HR transactions, such as payroll processing, tax administration and credits, employee onboarding and termination, employee performance, time and attendance, compensation reporting, expense management, and benefits enrollment and administration, as well as incorporated workforce analytics and allows professional employer organization clients to generate HR data, payroll, compensation, and other custom reports. The company serves clients in various industries, including technology, professional services, financial services, life sciences, and not-for-profit. It sells its solutions through its direct sales organization. TriNet Group, Inc. was incorporated in 1988 and is headquartered in Dublin, California.

Insperity, Inc. engages in the provision of human resources (HR) and business solutions to improve business performance for small and medium-sized businesses primarily in the United States. It 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. The company also provides Insperity Premier, a cloud-based human capital management platform that offers professional employer organization HR outsourcing solutions to its clients; people management services; and employer liability management services, as well as solutions for middle market. In addition, it offers MarketPlace, an e-commerce portal that offers a range of products and services; and Workforce Acceleration, a human capital management and payroll services solution; integrated payroll; benefits administration; HR administration and employee onboarding; time and attendance; performance management; reporting and analytics; recruiting; employment screening; retirement; and insurance services. The company was formerly known as Administaff, Inc. and changed its name to Insperity, Inc. in March 2011. Insperity, Inc. was founded in 1986 and is headquartered in Kingwood, Texas.

ManpowerGroup Inc. provides workforce solutions and services worldwide. The company offers recruitment services, including permanent, temporary, and contract recruitment of professionals, as well as administrative and industrial positions under the Manpower and Experis brands. It also offers various assessment services; training and development services; career and talent management; and outsourcing services related to human resources functions primarily in the areas of large-scale recruiting and workforce-intensive initiatives. In addition, the company provides workforce consulting services; contingent staffing and permanent recruitment services; professional resourcing and project-based services; and recruitment process outsourcing, TAPFIN managed, and talent solutions. The company was incorporated in 1948 and is headquartered in Milwaukee, Wisconsin.

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. The Professional & Industrial segment delivers staffing, outcome-based, and permanent placement services providing administrative, accounting, and finance; light industrial; contact center staffing; and other workforce solutions. The Science, Engineering & Technology segment offers staffing, outcome-based, and permanent placement services in the areas of science and clinical research, engineering, technology, and telecommunications specialties. The Education segment provides staffing, permanent placement, and executive search services to pre-K-12 school districts and education organizations. The Outsourcing & Consulting segment offers managed service provider, recruitment process outsourcing, payroll process outsourcing, and executive coaching programs to customers on a global basis that includes its RocketPower brand. The International segment provides staffing, recruitment process outsourcing, and permanent placement services. The company serves customers in the United States, Canada, Mexico, Puerto Rico, France, Switzerland, Portugal, Russia, Italy, rest of Europe, and the Asia-Pacific region. Kelly Services, Inc. was founded in 1946 and is headquartered in Troy, Michigan.

TrueBlue, Inc., together with its subsidiaries, provides specialized workforce solutions in the United States, Canada, the United Kingdom, Australia, and Puerto Rico. It operates through three segments: PeopleReady, PeopleManagement, and PeopleScout. The company PeopleReady segment provides general, industrial, and skilled trade contingent staffing services for construction, transportation, manufacturing, retail, hospitality, and renewable energy industries. The PeopleManagement segment offers contingent, on-site industrial staffing, and commercial driver services, which includes on-site management and recruitment for the contingent industrial workforce of manufacturing, warehousing, and distribution facilities; and recruitment and management of contingent and dedicated commercial drivers to the transportation and distribution industries under the Staff Management, SIMOS Insourcing Solutions, and Centerline Drivers brands. The company PeopleScout segment provides recruitment process outsourcing, talent advisory services, and managed service provider solutions including sourcing, screening, hiring, and onboarding services; operates Affinix, a technology platform for sourcing, screening, and delivering a permanent workforce to its clients; talent advisory services, such as employer branding, recruitment marketing, talent insights, diversity, equity and inclusion consulting, candidate assessment, and talent acquisition strategy consulting services; and contingent labor programs including vendor selection, performance management, compliance monitoring, and risk management. TrueBlue, Inc. was formerly known as Labor Ready, Inc. and changed its name to TrueBlue, Inc. in December 2007. The company was incorporated in 1985 and is headquartered in Tacoma, Washington.

BGSF, Inc., together with its subsidiaries, provides consulting, managed services, and professional workforce solutions in the United States. It operates in two segments, Property Management and Professional. The Property Management segment offers office and maintenance field talent to various apartment communities and commercial buildings. The Professional segment provides skilled IT professionals in SAP, Workday, Peoplesoft, Hyperion, Oracle, One Stream, cyber, project management, management services, and other IT workforce solutions. This segment also offers finance, accounting, legal, human resource, and related support personnel. It serves its products to fortune 500 companies, and medium and small companies, as well as consulting companies. The company was formerly known as BG Staffing, Inc. and changed its name to BGSF, Inc. in February 2021. BGSF, Inc. was incorporated in 2007 and is based in Plano, Texas.