W. P. Carey & Co. LLC (W. P. Carey) provides long-term, sale-leaseback and build-to-suit transactions for companies worldwide, and manages a global investment portfolio. W. P. Carey has two business segments: investment management and real estate ownership. W. P. Carey also earns revenue as the advisor to publicly owned, non-actively traded real estate investment trusts (REITs), which are sponsored by its under the Corporate Property Associates brand name (the CPA REITs) and that invest in similar properties. As of December 31, 2010, it operated as advisor to Corporate Property Associates 14 Incorporated, Corporate Property Associates 15 Incorporated, Corporate Property Associates 16 - Global Incorporated (CPA:16 - Global) and Corporate Property Associates 17 - Global Incorporated (CPA:17 - Global). In May 2011, Energy Transfer Partners, L.P. and Regency Energy Partners acquired LDH Energy Asset Holdings LLC from Louis Dreyfus Highbridge Energy LLC.