The OMOP is funded by the Foundation for the National Institutes of Health, with contributions from pharmaceutical companies and in-kind donations. A complete list of contributors is below.

The Food and Drug Administration has contributed the time of staff members who are participating on the Executive Board, the Primary Investigator Group, the Scientific Advisory Board, and the Technical Advisory Board.

Initial (2008 - 2010) Funding Organizations
Abbott
Amgen Inc.
AstraZeneca
Bayer Healthcare Pharmaceuticals, Inc.
Bristol-Myers Squibb
Eli Lilly & Company
GlaxoSmithKline
Johnson & Johnson
Lundbeck, Inc.
Merck & Co., Inc.
Novartis Pharmaceuticals Corporation
Pfizer Inc
Pharmaceutical Research Manufacturers of America (PhRMA)
Roche
sanofi-aventis
Schering-Plough Corporation
Takeda