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:

A. J. Antunes


AIT Worldwide Logistics

American Academy of Dermatology

American Dental Association

American Society of Plastic Surgeons

Art Institute of Chicago


Association Management Center

Ball Horticulture

Blue Cross Blue Shield

Cardinal Health

The Chicago Faucet Company

The Chamberlain Group

Chicago Mercantile Exchange

City of Highland Park

Department of Veterans Affairs

Elkay Manufacturing, Co.



Forest Preserves of Cook County

Gift of Hope

Griffith Labs

Guarantee Trust & Life

Harting Inc. of North America

HAVI Global Solutions



Illinois C.P.A. Society

Illinois Manufacturers' Association

INEOS Styrolution America LLC

Inland Real Estate

Kapstone Paper and Packaging

Kubota Engine America

LeasePlan USA

Lexington Health

Lincoln Park Zoo

Littelfuse Inc.

Magid Glove and Safety


Midland Paper

National Safety Council

Network Services Company

Northwestern Memorial Hospital


Owens Corning

Pekin Insurance

The Portillo Restaurant Group

S & C Electric

Semblex Corporation

Shirley Ryan Ability Lab

The Morton Arboretum

TOPCO Associates

True Value

Victor Envelope

Village of Elk Grove

Village of Mount Prospect

Village of Park Forest

Village of Schaumburg


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