- Air Products and Chemicals, Inc.
- Allentown Jewish Community Center
- American Family Insurance (1)
- Ameritech (1)
- Bonneville Power Administration (1)
- Center Valley Club
- Central Intelligence Agency (1) – Open Source Center, The Americas Program
And The Europe Program
- Data Processing Management Association
- Day-Timers, Inc.
- Delaware River and Bay Authority
- Easter Seals Eastern Pennsylvania
- Eastern Industries, Inc.
- Educational Testing Service (2)
- Evangelical Lutheran Church in America (member congregations)
- F. L. Smidth Company
- Good Shepherd Rehabilitation Hospital
- The Hillside School
- Just Born, Inc.
- Lehigh Carbon Community College
- Lehigh Valley Business Education Partnership
- Los Alamos National Research Labs (1)
- Lutron Electronics Company, Inc.
- Mack Trucks
- Matthew Thornton Health Plan (1)
- Muhlenberg College
- National Association for Colleges and Employers
- Northampton County Dept Human Services
- Pennsylvania 2000
- Philadelphia International Airport
- Philadelphia Federal Reserve Bank (2)
- Stabler Land Development Co.
- Sovereign Bank
- Trinity Rail – McConway & Torley Division
- Turning Point of the Lehigh Valley
- United Way of the Greater Lehigh Valley
- U.S. Dept of Health and Human Services
- U.S. Office of Personnel Management
- M.W. Wood Company
(1) As Affiliate Consultant with Zigon Performance Group, Media, PA
(2) As Affiliate Consultant with Genesis Consulting, Ridgefield, CT
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