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| | | | Incorporation | |
| Company Name | | | Location | |
| Phillips Petroleum Europe Exploration Ltd. | | | Liberia | |
| Phillips Petroleum Greenland A/S | | | Greenland | |
| Phillips Petroleum International Corporation | | | Delaware | |
| Phillips Petroleum International Corporation Italy | | | Liberia | |
| Phillips Petroleum International Corporation Somalia | | | Liberia | |
| Phillips Petroleum International Corporation Venezuela | | | Liberia | |
| Phillips Petroleum International Investment Company | | | Delaware | |
| Phillips Petroleum International Ventures Corporation | | | Panama | |
| Phillips Petroleum Kazakhstan, Ltd. | | | Liberia | |
| Phillips Petroleum Kuwait, Ltd. | | | Liberia | |
| Phillips Petroleum Latin America, Ltd. | | | Liberia | |
| Phillips Petroleum Management Corporation | | | Panama | |
| Phillips Petroleum Middle East, Ltd. | | | Liberia | |
| Phillips Petroleum Mudayy, Ltd. | | | Liberia | |
| Phillips Petroleum Oman, Ltd. | | | Liberia | |
| Phillips Petroleum Peru Ltd. | | | Liberia | |
| Phillips Petroleum Resources, Ltd. | | | Delaware | |
| Phillips Petroleum Russia, Ltd. | | | Delaware | |
| Phillips Petroleum Sisimiut A/S | | | Greenland | |
| Phillips Petroleum South Africa, Ltd. | | | Liberia | |
| Phillips Petroleum T&T, Ltd. | | | Liberia | |
| Phillips Pipe Line Company | | | Delaware | |
| Phillips Pt. Arguello Production Company | | | Delaware | |
| Phillips Receivables Company II, LLC | | | Delaware | |
| Phillips Receivables Company, LLC | | | Oklahoma | |
| Phillips Retail Marketing Company | | | Delaware | |
| Phillips-San Juan Partners, L.P. | | | Delaware | |
| Phillips Singapore Private Limited | | | Singapore | |
| Phillips STL Ventures Inc. | | | Delaware | |
| Phillips Texas Pipeline Company, Ltd. | | | Texas | |
| Phillips Transportation Alaska, Inc. | | | Delaware | |
| Phillips Utility Gas Corporation | | | Delaware | |
| Pioneer Investments Corporation | | | Delaware | |
| Pioneer Pipeline Company | | | Delaware | |
| Polar Tankers Spill Response Company | | | Delaware | |
| Polar Tankers, Inc | | | Delaware | |
| Pontoon (Timor Sea) Pty Ltd | | | Western Australia | |
| Pontoon N.L. | | | Western Australia | |
| Power Tex Joint Venture | | | Delaware | |
| Projet Malaysia Sdn. Bhd. | | | Malaysia | |
| Proteina Brasileira Ltda. | | | Brazil | |
| PT. ConocoPhillips Downstream Indonesia | | | Indonesia | |
| R.A.Z. Properties, Inc. | | | California | |
| Raptor Facilities Inc. | | | Delaware | |
| Raptor Gas Transmission LLC | | | Delaware | |
| Raptor Natural Pipeline LLC | | | New Mexico | |
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