H&H
About Company
H&H is a full-service infrastructure engineering firm with over 138 years of experience. They are a trusted provider of intricate and innovative engineering solutions for infrastructure owners, contractors, and colleagues. H&H manages the entire project lifecycle, from initial study and planning through design and construction. With over 600 employees in 30 offices nationwide, they handle projects of all sizes, types, and delivery methods across the country and globally.
