When it comes to working in the refinery space, there's virtually no major company that Diamond hasn't worked with. Our clients are specialized and diverse, and they also happen to be some of the biggest names in the refinery industry today. Over the years we've had the opportunity to work with:
Valero
Marathon Petroleum Corporation
Motiva Enterprises
Tesoro Corporation
Citgo
CountryMark
Western Refining
Delek Refining
Phillips 66
Shell
ExxonMobil
CVR Energy
Calumet
Wyoming Refining
LyondellBasell
Occidental Chemical Corp.
Axiall
Wynnewood Refining
BASF
Dow Chemical
Holly Frontier
Suncor Energy