Spectra Energy Corp. provides natural gas and related energy trading and marketing services. The company manages its business through four reportable segments: Spectra Energy Partners, Distribution, Western Canada Transmission & Processing, and Field Services. The Spectra Energy Partners segment primarily provides transmission, storage and gathering of natural gas, as well as the transportation and storage of crude oil and natural gas liquids through interstate pipeline systems for customers in various regions of the Midwestern, northeastern and southeastern U.S. and Canada. The Distribution segment provides services in Canada through the company's subsidiary, Union Gas Ltd. It serves primarily residential, commercial, and industrial customers in Northern, Southwestern, and Eastern Ontario. Distribution pipelines carry or control the supply of natural gas from the point of local supply to customers. The Western Canada Transmission & Processing segment is comprised of the BC Pipeline, B