I've been at this for over 20 years - here is a brief list of classes and students I’ve taught below:
Corporate:
60 minutes
ESPN
This Old House
Letterman
Adobe
Conan O'Brian
Broadway Video
ABC (Various Local & National Stations)
NBC (Various Local & National Stations)
CBS (Various Local & National Stations)
FOX (Various Local & National Stations)
Apple
Avid
Universal
Disney
WHYY
WGBH
HBO
Showtime
Sony
Hasbro
Comcast
NESN
CNN
Turner
FOX Sports
Children's Hospital of Pennsylvania
Reason.TV
Cutters
Discovery
National Geographic
QVC
ETS
Army
Navy
Air Force
Marines
CIA
FBI
LEVA
National Defense University
Farm Bureau
Educational Institutions:
University of Pennsylvania
Penn State University
Michigan State
University of Michigan
University of Pittsburgh
Ohio State University
Purdue
Indiana University
Harvard
Yale
Columbia
Johns Hopkins
Brigham Young UNIVERSITY
Cerritos College
NYU
Auburn
Dickinson
Grand Valley State
Full Sail
American University
Villanova University
Temple University
University of Missouri