Valero Energy
1 Valero Way
San Antonio,
Texas
1-210-345-2000
Shell
Carel van Bylandtlaan 16, 2596 HR
The Hague,
+31 70 377 9111
Chevron Corporation
6001 Bollinger Canyon Road
San Ramon,
California
1 925.842.1000
Suncor Energy
Calgary,
Alberta
1-866-786-2671
Enbridge
200, Fifth Avenue Place 425 - 1st Street S.W.
Calgary,
Alberta
403-231-3900