Precision-engineered Drainage
MIssion
To deliver precision-engineered drainage and stormwater management solutions that protect property, support infrastructure, and meet the demanding needs of modern construction. Our work reflects craftsmanship, innovation, and the values of our founder.
Company History
Carl M. Henshaw Drainage Products Inc. began in 1958 as a small supplier catering to farmers in the Richmond, VA area. Over time, our capabilities expanded to include full-service drainage system design, installation, and custom metal fabrication.
Today, we support commercial, industrial, aviation, transportation, and municipal projects across Virginia, Maryland, DC, and North Carolina. Although we’ve grown, our foundation remains craftsmanship, reliability, and service.









