Contact Us

Thank you for your interest in our corporate responsibility activities and performance.

We hope you find this report engaging and informative. We continue to welcome your feedback on our Corporate Responsibility Report, as well as any other comments or questions you may have.

You may contact us at either of the addresses below or email us here.

MSD corporate headquarters
2000 Galloping Hill Road
Kenilworth, N.J. 07033 U.S.A.
908-740-4000
Monday–Friday
8:30 am–5:30 pm, ET
Visit our Corporate Website

MSD in Canada
16750, Trans-Canada Highway Kirkland
Quebec H9H 4M7 Canada
+1-514-428-7920
Visit MSD in Canada

Worldwide offices
MSD is known as Merck & Co., Inc., Kenilworth, N.J., U.S.A. within the U.S. and Canada
Worldwide Contact Information

Suppliers
To inquire about invoice and payment issues, please contact the appropriate country’s procurement center.
Procurement Contact List

Products and services
For information about our company’s products and services, including the reporting of an Adverse Event or Product Quality Complaint with a company product, please call our National Service Center.
1-800-444-2080
Monday–Friday
8:00 am–7:00 pm, ET
You can call this number 24/7 for any product-related emergency

Download our ESG report
In addition to the publication of our comprehensive, online Corporate Responsibility Report, we have also published a corresponding ESG Report available to view or download in PDF format.

Note: Software to view files presented in PDF or SWF format is available at no charge through the Adobe website. Get Adobe Reader.

Frequently asked questions
Answers to some Frequently Answered Questions can be found on this site’s FAQ page or on our corporate website.