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The Hydrographic Society of America (THSOA) is a 501(c)3 non-profit organization committed to promoting education in hydrography, inshore surveying, inland waters surveying, offshore surveying, positioning and mapping/charting, including related earth sciences.

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Membership Benefits

Individual Memberships:

Discounts at local THSOA sponsored events

Corporate Members:

Discount on registration at THSOA sponsored events as well as some international conferences. For the biennial U.S. Hydro Conference you receive a discount on exhibit space and may also register any two employees of the organization at the member rate.

Addition of link on the Corporate Member page.

Free Employment Opportunity advertisements on the web site at no additional charge.