Agate Construction Co., Inc.

Innovative Solutions for Heavy Civil & Marine Construction

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About the firm

Agate Construction Co., Inc. is a heavy civil and marine construction firm based in Clermont, New Jersey, founded in 1981. Agate delivers technically challenging heavy civil projects across New Jersey, Southeastern Pennsylvania, Delaware, and Lower Manhattan, with a specialty in marine elements, structures in the tidal zone, groundwater control, and deep foundations. Completed projects include bridge construction, ports and terminals, shoreline protection, utility construction, and historic restoration.

Established
1981
Firm type
Civil Engineering · Marine Engineering

People

James E. Johnston, Jr.Chairman and CEO

James Johnston IIIPresident

Capabilities

Heavy Civil General Construction

Service website

Agate Construction delivers full-capability heavy civil general construction with a strong focus on challenging project conditions.

  • Marine Elements
  • Structures in the Tidal Zone
  • Groundwater Control
  • Deep Foundations

Bridge Construction

Service website

Ports and Terminals

Service website

Shoreline Protection

Service website

Utility and Pipe

Service website

Historic Restoration

Service website

Industries

Bridges · Marine · Ports & Harbors · Infrastructure · Stormwater & Flood Control · Historic Preservation · Government · Water Resources

Projects