 U. S. Internal Revenue Service |
PMAA Legislative Directory |
| U. S. Environmental Protection Agency |
Information Services Lundberg Survey |
| U. S. Library of Congress |
O & A Marketing News |
| FedWorld |
Refiners ARCO |
| U. S. Census Bureau - NAIC System (SIC Codes) |
Chevron |
| Valero |
Citgo |
| NACS |
Equilon |
| PMAA |
Exxon |
| SIGMA |
Mobil |
| CS News |
Shell |
| CS News |
Tesoro |
| CS News |
Texaco |
| Electronic Grassroots fromRollCall |
TOSCO |
| PMAA Government Affairs |
Ultramar/Diamond Shamrock |