A
ADIPEC
www.adipec.com
B
Baker Petrolite
www.bakerpetrolite.com
C
Chevron Lubricants
www.chevron-lubricants.com
D
Digital Oilfield
www.its-obvious.com
E
Egyptian General Petroleum Corp.(EGPC)
www.ganope.com
Ernst & Young
www.ey.com/us/energy
G
GE Oil & Gas Division
www.geoilandgas.com
GTI (Gas Technology Institute)
www.gastechnology.org/degree
H
Halliburton Energy Services
www.halliburton.com
I
Oil Tool Division
www.iri-oiltool.com
K
Key Energy Services
www.keyenergy.com
L
Landmark Grapahics Corporation
www.lgc.com
M
N
Norton Proppants
www.nortonproppants.com
O
Oil & Gas Asset Clearinghouse
www.petroleumplace.com
Oil & Gas Journal Online Research
www.ogjresearch.com
P
PennWell Corporation Book
www.pennwellbooks.com