- AD/Solutions Group, Inc.
- Advance Career Tech
- AMS Staffing - Lotus Notes Placement Specialists
- Autumn Staffing, LLC
- Baker Montgomery
- Barrett Partners
- blueStone Executive Search
- Catalyst Search Group
- Cemco Systems
- CPS, Inc.
- Donegan & Associates
- Dynamic Search Systems, Inc.
- Electronic Search, Inc.
- Espo Engineering Corporation
- Illini Placement Bureau, Inc.
- Infinity Consulting Solutions
- Itec Resources
- KForce
- Laka and Company
- Laso Corporation (The)
- milewalk
- MRI of Elgin
- MRI of OHare
- Mutual Target Associates, Inc.
- New Way Search
- Omni One
- Optima Partners, Inc.
- OSG Global
- Professional Search Centre, Ltd.
- Pro-Tech Search, Inc.
- Rainmaker Xion Corporation
- RevHire
- Roy Talman & Associates, Inc.
- Selectis Corporation
- Staffing Team International, Inc.
- System Two
- Systems & Software Services Inc. (SSSI)
- Systems Search
- Talent ProFusion Inc
- Tech Edge Corp.
- Wilson-Douglas-Jordan
