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Modbus Organization

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About Modbus Organization

Our Mission

The Modbus Organization is a group of independent users and suppliers of automation devices that seeks to drive the adoption of the Modbus communication protocol suite and the evolution to address architectures for distributed automation systems across multiple market segments. The Modbus Organization will also provide the infrastructure to obtain and share information about the protocols, their application and certification to simplify implementation by users resulting in reduced costs.


The Modbus Organization is a membership-based trade association, incorporated as "Modbus Organization, Inc." under the laws of the Commonwealth of Massachusetts, USA and recognized by the U.S. Internal Revenue Service as a nonprofit organization under Internal Revenue Code 501(c)(6). Donations to the organization are not deductible as charitable contributions but may be deductible as a business expense. The Modbus Organization's annual IRS Form 990 is available upon request via our contact page, providing the complete name, address, and e-mail address of the requesting organization or individual.

Our Member Logo

member logo graphic

Our membership logo symbolizes a round table, meaning that we invite all our members to participate in the technical and educational activities of our organization.

Suppliers large and small, system integrators, end users, open source developers, educators and other interested parties are all invited to join in the discussions that will take the Modbus protocol into the future.

Our Activities

The Modbus Organization engages in a broad range of activities relating to the maintenance and proliferation of the Modbus protocol. Some of these activities include:

Our Invitation

Our invitation is to you, as a Modbus user or supplier, to join in our activities, share in the benefits of Modbus Organization membership, and help us bring Modbus into the future. We are committed to maintaining Modbus as the world's leading protocol for industrial automation, and invite you to take your place at our roundtable.

For more information about Modbus Organization membership, please see our Membership Flyer and Membership Application. Refer to our contact page for ways to get in touch - we'd be glad to hear from you!