Trusted drainage solutions since 1958

Supplier of reliable, code-compliant Drainage systems For industrial, commercial and municipal environments

About the Company

Founded in 1958 by Carl M. Henshaw, the company began as a local supplier of farm pond kits and metal culverts. Today, we serve commercial, industrial, and municipal clients across the Mid-Atlantic region with advanced drainage products and fabrication services.

Historic Photo

why choose us

Proven expertise since 1958
High-quality custom fabrication capabilities
Durable, code-compliant products and systems
Responsive, knowledgeable support
Trusted by major industrial and transportation clients
quality materials, affordably priced

Our Products

At Henshaw Drainage, we deliver high-performance drainage solutions engineered for long-term reliability. With six decades of expertise, we provide turnkey services for linear drains, stormwater systems, and custom metal fabrication.

Trench Drain Systems

We design and install trench drain systems engineered for durability, optimal flow capacity, and ease of maintenance. Our solutions are available in both standard and fully custom configurations, tailored to the specific demands of each site.

Custom Metal Fabrication

Our in-house metal shop fabricates custom drainage components built to your exact specifications. We produce grates, frames, weir plates, trash racks, debris cages, and specialty fittings using stainless steel, galvanized steel, and aluminum.

Storm Drainage Solutions

Henshaw Drainage designs and installs complete storm drainage systems that comply with local and state regulations while efficiently managing water flow in any environment.

working with us

our SERVICES

INDUSTRIAL DRAINAGE ASSESSMENT


On-site evaluations that uncover drainage inefficiencies, safety risks, and maintenance challenges. Our assessments provide actionable recommendations that help prevent downtime and extend infrastructure life.

LANDSCAPE ARCHITECT PRODUCT SELECTION


We work with landscape architects to select drainage systems that balance visual harmony with functional performance, ensuring drainage elements integrate seamlessly into commercial environments.

LINEAR DRAIN INSTALLATION SERVICE


In partnership with Ericโ€™sons Construction Services (ECS), we deliver expert installation of linear drainage systems for commercial, industrial, and transportation projects, keeping schedules on track and systems built to last.

CIVIL ENGINEERING PRODUCT SELECTION


We assist engineers, contractors, and municipalities in selecting compliant, durable drainage products for stormwater, erosion control, and infrastructure projects.

BUILT TO SUPPORT COMPLEX PROJECTS

Our services are designed to work independently or as part of an integrated drainage strategy. Whether your project requires evaluation, design support, or execution, we help reduce risk and deliver dependable outcomes.

Have a project coming up? Need guidance?