704.788.9800

Drainage Group
Mainline Supply Company's Drainage Division was formed in 2005 to constantly seek to strengthen our position in the distribution of underground utility supplies.  Our goal is to serve the expanding drainage needs of our customers and create value by becoming a leader in the Water Quality and Drainage Industries.

In addition to our complete line of water and sewer supplies, Mainline offers an array of drainage supplies and services that include Water Quality Units, RCP, Precast, Box Culvert, CMP/CAAP, HDPE, Stormtech, Nyloplast, Geotextiles, and Erosion Control.

For more information on our complete line of Storm Drainage Products, please contact our location nearest you.

Drainage Success Stories

(Click on headings to view pictures.
They may take a moment to download.)

8.1.08:      Holiday Inn Land Saver
                  West Columbia, SC

8.11.08:    Aluminized Detention System  
                  Allen University, SC

8.12.08:    Stormtech SC-740 Chambers
                  Bennettsville, SC

10.8.08:    O-Ring Reinforced Concrete
                  Pipe
                  Charlotte/Douglass Airport, NC

11.25.08: Stormtech Installation
                 State Fair Grounds
                 Columbia,SC
Mainline Supply Company
7025 Northwinds Dr NW
Concord, NC 28027