EXHIBIT 3.237

CERTIFICATE OF FORMATION
OF
CPLP, LLC

Under Section 18-201 of the
Delaware Limited Liability Company Act

FIRST: The name of the limited liability company is CPLP, LLC (the “Company”).

SECOND: The address of the registered office of the Company in the State of Delaware is 2711 Centerville Road, Suite 400, Wilmington, Delaware 19808, County of New Castle.

THIRD: The name and address of the registered agent for service process on the Company in the State of Delaware Corporation Service Company, is 2711 Centerville Road, Suite 400, Wilmington, Delaware 19808, County of New Castle.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation as of December 5, 2005

By: /s/Rebecca Hurley
Name: Rebecca Hurley
Title: Authorized Person

State of Delaware
Secretary of State
Division of Corporations
Delivered 11:23 AM 12/06/2005
FILED 11:23 AM 12/06/2005
SRV 050989430 — 4072308 FILE

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