Professional Employer Organization Staffing Services

Adecco International - Provides personnel services to businesses worldwide including temporary help, placement of permanent employees, outsourcing, and training and testing of temporary and permanent workers. Includes an investor page.
Allegis Group - Offers contract services in a range of industries.
Comforce - Provider of staffing, consulting and outsourcing solutions focused on the information technology, telecommunications, professional, technical, and financial market sectors. 50 offices throughout the US and Canada.
Dunhill Staffing Systems - Specializes in financial, administrative, office, clerical, information technology, health care, sales, marketing, technical, manufacturing, and engineering. Offices throughout North America.
Edgewater Technology Inc - Provides diversified staffing services to businesses, providing healthcare providers, professional and service organizations and governmental agencies with clerks, light industrial staffs, secretaries, receptionist/switchboard operators, typists, data entry operators, cashiers, medical/legal transcriptionists, physical and occupational therapists, programmers, drafters, designers and accounting personnel. (Nasdaq: EDGW).
Expert Access - Personal service that finds and screens consultants. Specializes in finding consultants in the fields of Training, E-learning, and Organization Development.
Express Personnel Services - Provides employment and staffing solutions, including evaluation and direct hire, flexible staffing, temporary help, facility staffing and executive placement. Has over 425 locations throughout the U.S. and worldwide.
Express Professional Staffing - Provides professionals for contract and permanent positions in: Accounting/Finance, Engineering/Manufacturing/Technical, Information Technology, Sales/Marketing, Human Resources and Healthcare. Offices throughout US and Canada.
Hays Personnel - Pan-European staffing agency. Typically has over 40,000 open positions across a broad variety of job functions and industries.
Insource Solutions - Offering temporary, temp-to-hire and direct placement staffing services in an array of industries.
Judge.com Inc - Provides information technology and engineering professionals on a contract and permanent basis in major technology centers located throughout the United States. (Nasdaq: JUDG).
Kelly Services - Worldwide leader in the Staffing Industry for over fifty years. From engineers to accountants -- attorneys to desktop publishers -- home health care to clinical research -- Kelly places people of all skill levels in virtually every industry across the globe.
Manpower - The largest staffing and employment service in the world. Operates3,500 branch offices and franchises in 54 countries.
Paychex - Payroll services - Paychex: payroll, human resource, and benefits outsourcing solutions for any size business - payroll tax preparation, 401(k) recordkeeping, section 125 plan recordkeeping, workers' compensation, time and attendance systems, and more.
The Personnel Department - Provides temporary and permanent placement services in Canada (Vancouver, Calgary, Edmonton), the US (Salt Lake City, Portland) and Australia (Sydney).
Randstad Staffing - International staffing agency servicing office, industrial, professional, creative, and technical fields.
Spherion - Operates more than 1,000 offices throughout North America, Europe, Australia, and Asia. Has specialized business groups ranging from technology to outsourcing to executive search and staffing.
Staff Service - Provides general temporary and permanent recruitment services. Offices in China, Japan, UK, US, and Australia.
StaffMark - Career opportunities and human resource solutions in office, administration, light industrial, desktop publishing, and training. Offices throughout North America.
Todays Staffing - Provides permanent and temporary clerical, professional, and legal staffing in the U.S. and Canada.
Westaff - Staffing services for temporary, temp-to-hire, direct hire and on-location positions. Operates more than 370 offices in the US, UK, Australia, New Zealand, Norway and Denmark.
Yoh Company - Global provider of integrated staffing, information and managed services.