Select Clients

Amoco Oil Company

ARCO

Baker Oil Tools

Beylik Drilling

Blue Ridge Energy

Chevron Oil

Edgington Oil Company

Exxon Corporation

Getty Oil

Hydril Corporation

Mobil Oil

Nant Energy

Newton Advanced Energy Ltd.

PG&E

Plant & Field Service Corp.

Shell Oil

Southern California Edison

Texaco

Thrifty Oil Company

Valero Energy Corp.

Wolverine Energy