Our Clients

Here are just a few of the companies SIS has worked with successfully over the years:

• AGL Resources

• Atlanta Water Works

• BP

• CB&I

• Colonial Pipeline
  

• Destin Pipeline

• Duke Energy

• El Paso
  

• Mustang Engineering
  

• SCANA Corporation

• Sea Robin Pipeline

• Shell

• Southern LNG

• Southern Natural Gas

• Tennessee Gas Pipeline
  

• Virginia Natural Gas