UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q For the transition period from _____________ to _____________ The Williams Companies, Inc. Transcontinental Gas Pipe Line Company, LLC Northwest Pipeline LLC (Exact name of registrant as specified in its charter) Commission file number: State or Other Jurisdiction of Incorporation or Organization: IRS Employer Identification No.: The Williams Companies, Inc. 1-4174 Delaware 73-0569878 Transcontinental Gas Pipe Line Company, LL ...