Wikler and Company's clients have included, among others:

Baseline Financial Services
Briefings Publishing Group
The British Broadcasting Company (BBC)
Capitol Publications
The College Board
The Economist Group
FortressGlobal Investigations and Security
Global Secure Payments
The Healthcare Publishers' Consortium
Hofstra University
Informed Sources
The Institute for Learning at the University of Pittsburgh
The Journal of Commerce Company
KTCA Television
Lancit Media Productions
The Markle Foundation
The McGraw-Hill Companies
Media Station, Inc.
The New School
Night Kitchen, LLC
Pearson plc
Siegelgale
Smithsonian Institution Press
Teachers College, Columbia University
Thirteen/WNET Television