Headquarters: St. Louis, MO

CDG’s headquarters is located in the southwestern part of the City of St. Louis (near the Hill neighborhood) in a building known as Campbell Plaza. The building is owned by several stockholders of CDG, and this ownership enables the company to expand as the need for additional staff develops.

Sheridan, WY

CDG has a branch office located in Sheridan, Wyoming that was originally opened to serve the needs of our mining clients located in the Powder River Basin. Today, the office continues to support that original mission, as well as support other projects in the western U.S. Additionally, staff work closely with other offices to support projects across the country.

Charlotte, NC

CDG most recently opened a branch office in Charlotte, North Carolina to support clients in the eastern region of the U.S. As with our other branch offices, staff work closely with other CDG
offices to support projects across the country.

Troy, IL

The Troy, Illinois branch office was established to offer infrastructure services to clients across the river from our headquarters and throughout the state of Illinois.