Porro Associates, LLC clients include:

Public relations/communications
CommCore Consulting Group
Fenton Communications
Fleishman Hillard
Lipman Hearne
M&R Strategic Services
Ruder Finn
Spectrum Science Communications
Weber Merritt Public Affairs
Waggener Edstrom Worldwide

Corporations
Constellation Energy Group
Eastman Chemical Company
Ernst & Young
FedEx
Frederick W. Cook and Company
The McGraw-Hill Companies
Office Depot

Nonprofits
Academy for Educational Development
American Chemical Society
American Diabetes Association
America’s Promise
Business Roundtable
Coalition for the Advancement of Medical Research
Georgetown University Law Center
Juvenile Diabetes Research Foundation
Lymphoma Research Foundation
NAMI, The Nation's Voice on Mental Illness
National Association of Realtors
Public Private Ventures
Trust for Early Education
Union of Concerned Scientists

International
Consultative Group on International Agricultural Research
International Fund for Agricultural Development
The World Bank