Past Clients
- AERA Energy
- Alabama Power Company
- Anadarko
- Baker Hughes
- BHP Billiton
- Boardwalk Pipeline Partners
- BP
- Buckeye Partners, L.P.
- Central Indiana Ethanol
- Chevron
- Cheniere Energy
- Colonial Pipeline Partners
- Columbia Gas of Massachusetts
- Columbia Gas of Kentucky
- DCP
- Denbury
- Devon Energy
- Devron
- Dig Safe NY
- DiVal Safety Equipment Inc.
- DuPont
- Encana
- Exall Energy
- Exxon Mobil
- Flint Oil
- Halliburton
- HESS
- Imperial Oil
- Key Energy
- Kinder Morgan
- Kraus-Anderson
- Laredo
- Linn Energy
- Marathon
- Nalco
- NEUCO Inc.
- Ni Source
- PA811
- Phillips 66
- Piedmont Natural Gas
- PRB Coal Users Group
- Shell Oil
- Spindletop
- Tappan Zee Constructors
- US Pipeline
- US Pumping
- Veriforce
- VPPPA
- Windcreek Energy
- XTO Energy