H&H is a leading full-service infrastructure engineering firm with over 130 years of experience in solving complex engineering challenges. Our firm is committed to delivering innovative design and intricate engineering solutions for consulting firms, contractors, and infrastructure owners. We pride ourselves on managing the entire life cycle of engineering services and support, ensuring that your projects are completed on time and within budget.

At H&H, we have assembled a team of superior engineers who employ a forward-thinking approach using the latest project management, design, and support innovations. This allows us to engineer long-lasting infrastructure that not only meets the highest standards in design, durability, and safety but also offers exceptional aesthetic value. Whether it's bridges, highways, roadways, interchanges, rail/transit systems, tunnels, or marine and port projects, we have the expertise to deliver outstanding results.

Our services range from alternative delivery, architectural design, asset management, and construction to engineering and inspection, geotechnical engineering, planning, and rehabilitation. Choose H&H for all your infrastructure engineering needs and witness how we create infrastructure that is designed to amaze and engineered to last