Here are some more:
ExxonMobil:N306EM (Blocked)
flightaware.com/live/flight/N306EM
Toyota Motor:N230RG (Could Not Find)
flightaware.com/live/flight/N230RG
Toyota Motor:N319JS (Could Not Find)
flightaware.com/live/flight/N319JS
Here are the aircraft of gas companies.
I am not putting the links on these
CHEVRON:
N10876
N137JP
N1624 (Blocked)
N1625 (Blocked)
N17237 (Could Not Find)
N31079 (Could Not Find)
N401HB (Blocked)
N430CM
N430CT
N17592 (Could Not Find)
N7159H (Could Not Find)
N715CC (Could Not Find)
N4089L (Could Not Find)
N104LP (Could Not Find)
N139CW
N139FW
N17238 (Could Not Found)
N206MB (Could Not Find)
N2146X
N22316
N39LR (Could Not Find)
N427CK (Could Not Find)
N427CU (Could Not Find)
N427JT (Could Not Find)
N430CF (Could Not Find)
N430CH (Could Not Find)
N430CV
N45WT
N50588 (Could Not Find)
N5253Y (Could Not Find)
N53702 (Could Not Find)
N5403C (Could Not Find)
N5414X (Could Not Find)
N5447C (Could Not Find)
N6533U (Could Not Find)
N6533Y (Could Not Find)
N7159J (Could Not Find)
N72649
N7266F
N7266K
N7957J (Could Not Find)
N83109 (Could Not Find)
N8776 (Could Not Find)
N8821C
N8841C
N9919K (Could Not Find)
N575CT (Blocked)
CONOCOPHILLIPS:
N166P
N37050
N466P
N5562Z
N56539