Client List

We work with leading multi-national companies and major government departments, as well as with hundreds of small and mid-sized organizations, including:


AIT Worldwide Logistics

American Academy of Dermatology

American Dental Association


Association Management Center

Ball Horticulture

Beam Suntory

Blue Cross Blue Shield

Chicago Mercantile Exchange

Department of Veterans Affairs

Dot Foods

Elkay Manufacturing, Co.



Gift of Hope

Griffith Labs

Guarantee Trust & Life

Harting NA

HAVI Global Solutions


Illinois C.P.A. Society

Illinois Manufacturers' Association

Inland Real Estate

Kubota Engine America

Lincoln Park Zoo

Littelfuse Inc.

Magid Glove and Safety

Maui Jim


Midland Paper

Network Services Company

Northwestern Memorial Hospital


Pekin Insurance

Rehabilitation Institute of Chicago

S & C Electric

Semblex Corporation

The Morton Arboretum

TOPCO Associates

True Value

Victor Envelope

Village of Elk Grove

Village of Mount Prospect

Village of Park Forest

Village of Schaumburg

Weiss- Rohlig USA

Here's what our clients say about us:

"Our entire company needs this training if we want a high level of success."

"Best session I've attended in 30 years with AT&T. I'll use the skills immediately."

"This is one of the best courses I've ever taken. Exercises were excellent."

"Excellent mix of lecture, demonstration, and practical application. Reinforced learning enhanced the effectiveness of the session."

"Carroll-Keller was there when I needed them with the knowledge and training expertise we required to help us grow toward a higher level of business success. Their willingness to help us customize course content to meet our specific learning needs is impressive."
CNA Insurance

"Nice Package! Simple but powerful concepts, fairly easy to remember and provides things one can take back on the job and use."
University of Chicago

"This course was a significant learning experience."

"Gave me a useful framework for both participating as an effective team member and evaluating team performance."
Allstate Insurance

"This was the best training we have had for our department."
Blue Cross Blue Shield

"Excellent training - not full of miscellaneous stuff."
McDonald's Corporation

"Wish the entire company would attend."
National Association of Realtors