- ACG Professionals
- Alvarez & Marsal
- AMPA Management Co
- Analytic Consultants-Business
- Archstone Consulting
- Biostrategies Group
- Biostrategies Group
- Callard Asset Management
- Callard Asset Management
- Chicago Consulting Forum Inc
- Chicago Consulting Forum Inc
- Chicago International Dev Corp
- Chicago International Dev Corp
- DBM
- DBM
- Far Holding Co
- Far Holding Co