Private company

H2M Architects & Engineers

American architecture and construction firm

H2M Architects & Engineers (stylized as H2M architects + engineers and commonly known as H2M) is a major American architectural, design, engineering, construction, planning, and consulting firm headquartered in Melville, in Suffolk County, on Long Island, in New York, United States. The firm is listed on the New York State Historic Business Preservation Registry, and it was a leading advocate in passing the federal ban on the use of lead and solder in drinking water supplies.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

H2M Architects & Engineers (stylized as H2M architects + engineers and commonly known as H2M) is a major American architectural, design, engineering, construction, planning, and consulting firm headquartered in Melville, in Suffolk County, on Long Island, in New York, United States. The firm is listed on the New York State Historic Business Preservation Registry, and it was a leading advocate in passing the federal ban on the use of lead and solder in drinking water supplies.2

Sources

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