Contact Us

For more information about NSF services, please choose one of the options below to contact us. Whether you’re a manufacturer interested in product testing, a reporter wishing to speak with a technical expert, a consumer wanting home product information or a regulator seeking to report a violation of the NSF mark, we’re here to help you. To obtain standards, visit the NSF Bookstore. For all other standards questions, email standards@nsf.org.

NSF International

Manufacturers, retailers, and other business professionals who would like to receive an estimate or who have general questions about NSF or its programs and services, please complete the following form.

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Media Affairs

Reporters, producers, and editors looking for background information and interviews on an array of public health and safety topics are invited to complete the following form:

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Consumer Information Office

Consumers with questions about water filters, bottled water, faucets, dietary supplements, food safety, residential appliances or other consumer products are invited to view our Q&A section or complete the following form:

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Regulatory Affairs Hotline

Regulatory For more information about NSF's regulatory affairs services, please complete the General Inquiry Form below. To appeal a decision, submit a complaint, provide feedback to NSF or report a violation of the NSF mark, or if you have concerns about NSF certification of any product, please complete the Online Complaint / Investigation Form.

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  • General Inquiry
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NSF will respond to all complaints and notify the complainant upon closure. Decisions by NSF may be appealed. NSF will conduct a review of the appeal and make a decision following the applicable appeals process. For further information, contact quality-feedback@nsf.org.

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