- Carter Group, The
 - Chicago - Specialising in corporate move management, hospital transition planning, and asset management services since 1989. - Event Engineering, Inc.
- Des Plaines - Provides production management services for sales, marketing, and entertainment events for corporations, meeting producers, and agencies. Headquartered in Chicago.
- KD Mailing & Fulfillment
- Lincolnwood - Provides information, pricing, and postage estimates for direct mail, literature and product fulfillment, mailing lists, and print-on-demand services.
- McFarlane Douglass
- Chicago - Provider of interior and exterior corporate landscaping, office plant and flower maintenance services, and commercial holiday decorations in Chicago, IL.
- ReSourcing Services Company, LLC
- Chicago - Reinvents and runs corporate facilities organisations.
- THG Worldwide
- Chicago - Corporate hospitality specialists.
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