Pipeline Transportation Service Companies
| Colonial Pipeline Co (Beaumont, TX)
Primarily Serving: Port Arthur, TX - Baytown, TX - Lake Charles, LA - Galveston, TX |
| Colonial Pipeline Co (Manassas, VA)
Primarily Serving: Centreville, VA - Burke, VA - Annandale, VA - Reston, VA |
| Colonial Pipeline Co (Mount Laurel, NJ)
Primarily Serving: Camden, NJ - Philadelphia, PA - Levittown, PA - Trenton, NJ |
| Colonial Pipeline Co (Fayetteville, NC)
Primarily Serving: Cary, NC - Raleigh, NC - Chapel Hill, NC - Durham, NC |
| Colonial Pipeline Co (Blue Ridge, VA)
Primarily Serving: Roanoke, VA - Lynchburg, VA - Burlington, NC - Greensboro, NC |
| Colonial Pipeline Co (Alpharetta, GA)
Primarily Serving: Roswell, GA - Marietta, GA - Smyrna, GA - Atlanta, GA |
| Colorado Interstate Gas Co (Vernal, UT)
Primarily Serving: Grand Junction, CO - Provo, UT - Orem, UT - Sandy, UT |
| Columbia Gas Trans Corp (Fairfax, VA)
Primarily Serving: Burke, VA - Annandale, VA - Centreville, VA - Reston, VA |
| Columbia Gas Trans Corp (South Point, OH)
Primarily Serving: Columbus, OH - Lexington, KY - Cincinnati, OH - Springfield, OH |
| Columbia Gas Trans Corp (Greenwood, NY)
Primarily Serving: Rochester, NY - Buffalo, NY - East Amherst, NY - Niagara Falls, NY |
| Columbia Gas Trans Corp (Salisbury, PA)
Primarily Serving: Pittsburgh, PA - Charles Town, WV - Frederick, MD - Germantown, MD |
| Columbia Gas Trans Corp (Catlettsburg, KY)
Primarily Serving: Lexington, KY - Cincinnati, OH - Columbus, OH - Middletown, OH |
| Columbia Gas Transmission Corp (Downingtown, PA)
Primarily Serving: Wilmington, DE - Newark, DE - Reading, PA - Philadelphia, PA |
| Columbia Gas Transmission Corp (Langley, KY)
Primarily Serving: Johnson City, TN - Lexington, KY - Knoxville, TN - Asheville, NC |
| Columbia Gas Transmission Corp (Fredericksburg, VA)
Primarily Serving: Burke, VA - Centreville, VA - Annandale, VA - Alexandria, VA |
| Columbia Gas Transmission Corp (Columbia Station, OH)
Primarily Serving: Elyria, OH - Lakewood, OH - Lorain, OH - Cleveland, OH |
| Columbia Gas Transmission Corp (Rimersburg, PA)
Primarily Serving: Pittsburgh, PA - Youngstown, OH - Erie, PA - Canton, OH |
| Columbia Gas Transmission Corp (Cumberland, MD)
Primarily Serving: Charles Town, WV - Frederick, MD - Pittsburgh, PA - Germantown, MD |
| Columbia Gas Transmission Corp (Greencastle, PA)
Primarily Serving: Frederick, MD - Charles Town, WV - Germantown, MD - Gaithersburg, MD |
| Commonwealth Energy Systems (Cambridge, MA)
Primarily Serving: Somerville, MA - Boston, MA - Medford, MA - Brookline, MA |
| Conoco Inc (Mont Belvieu, TX)
Primarily Serving: Baytown, TX - Pasadena, TX - League City, TX - Houston, TX |
| Conoco Phillips (Lost Hills, CA)
Primarily Serving: Delano, CA - Bakersfield, CA - Tulare, CA - Hanford, CA |
| Conoco Phillips Pipeline Co (Great Falls, MT)
Primarily Serving: Missoula, MT - Billings, MT |
| Conoco Phillips Pipeline Co (Brookshire, TX)
Primarily Serving: Sugar Land, TX - Missouri City, TX - Houston, TX - Montgomery, TX |
| Conoco Phillips Pipeline Co (Jenks, OK)
Primarily Serving: Tulsa, OK - Broken Arrow, OK - Cleveland, OK - Canadian, OK |
