| American Institutes for Research, AIR |
A nonprofit consulting firm that applies social science principles to real world problems, including those of the workplace. |
| Development Dimensions International, DDI |
One of the largest I/O consulting firms in the world. |
| Expert Survey Systems, Inc. |
A consulting firm specializing in organizational (employee) surveys. Site has a lot of useful information about conducting surveys. |
| The Hay Group |
A large international management consulting firm. |
| Jackson Leadership Systems |
A consulting firm that specializes in leadership development, (executive coaching, leader selection) |
| The Kingwood Group |
A small I/O consulting firm that provides a wide range of services. |
Performance Assessment Network, PAN |
A company that carries a large number of varied I/O assessments ranging from selection tests to occupational stress surveys. |
| Personnel Decisions International, PDI |
One of the largest I/O consulting firms in the world. |
| Psychological Corporation |
One of the major psychological testing companies. |
| Talentkeepers |
Specializes in retaining good employees. |
| Wilson Learning Corporation |
International consulting firm that specializes in assessment and training. |
| RHR International |
Specializes in executive development. |
