Great Lakes Dredge & Dock Corp.
| Nasdaq: GLDD
Great Lakes Dredge & Dock Corp. provides dredging and dock contracting services. The company operates through two segments: Dredging and Environmental & Remediation. The Dredging segment involves in the enhancement or preservation of navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand or rock. The Environmental & Remediation segment's principal services consist of specialty contracting services such as environmental, industrial and hazard materials abatement and remediation services. Great Lakes Dredge & Dock was founded by William A. Lydon and Frederick C. Drews in 1890 and is headquartered in Oak Brook, IL.