Manpower Inc.
Provides staffing services and employment opportunities worldwide.
http://www.manpower.com/

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.
http://www.adecco.com/

StaffMark
Career opportunities and human resource solutions in office, administration, light industrial, desktop publishing, and training. Offices throughout North America.
http://www.staffmark.com

Todays Staffing
Provides permanent and temporary clerical, professional, and legal staffing in the U.S. and Canada.
http://www.todays.com

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.
http://www.spherion.com

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.
http://www.expresspersonnel.com

Dunhill Staffing Systems
Specializes in financial, administrative, office, clerical, information technology, health care, sales, marketing, technical, manufacturing, and engineering. Offices throughout North America.
http://www.dunhillstaff.com

Expert Access
Personal service that finds and screens consultants. Specializes in finding consultants in the fields of Training, E-learning, and Organization Development.
http://www.expert-access.com/

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.
http://www.westaff.com/

Randstad Staffing
International staffing agency servicing office, industrial, professional, creative, and technical fields.
http://www.randstad.com/

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.
http://www.comforce.com/

Yoh Company
Global provider of integrated staffing, information and managed services.
http://www.yoh.com/

Staff Service
Provides general temporary and permanent recruitment services. Offices in China, Japan, UK, US, and Australia.
http://www.staffservice.com

Hays Personnel
Pan-European staffing agency. Typically has over 40,000 open positions across a broad variety of job functions and industries.
http://www.hayspersonnel.com/

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).
http://www.edgewater.com/

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).
http://www.judge.com/

Allegis Group
Offers contract services in a range of industries.
http://www.allegisgroup.co.uk/

Insource Solutions
Offering temporary, temp-to-hire and direct placement staffing services in an array of industries.
http://www.insourcesolutions.com

The Personnel Department
Provides temporary and permanent placement services in Canada (Vancouver, Calgary, Edmonton), the US (Salt Lake City, Portland) and Australia (Sydney).
http://www.goodstaff.com/