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EMCOR Group, Inc. provides construction and facilities, building, and industrial services in the United States and the United Kingdom. It offers design, integration, installation, start-up, operation, and maintenance services related to power transmission, distribution, and generation systems; energy solutions; premises electrical and lighting systems; process instrumentation; low-voltage systems; voice and data communications systems; roadway and transit lighting, signaling, and fiber optic lines; computerized traffic control systems, and signal and communication equipment; heating, ventilation, air conditioning, refrigeration, and geothermal solutions; clean-room process ventilation systems; fire protection and suppression systems; plumbing, process, and high-purity piping systems; controls and filtration systems; water and wastewater treatment systems; central plant heating and cooling systems; crane and rigging services; millwright services; and steel fabrication, erection, and welding services. The company also provides building services that covers commercial and government site-based operations and maintenance; facility management, maintenance, and services; energy efficiency retrofit services; military base operations support services; services for indoor air quality; floor care and janitorial services; landscaping, lot sweeping, and snow removal services; vendor management and call center services; installation and support for building systems; program development, management, and maintenance for energy systems; technical consulting and diagnostic services; infrastructure and building projects; modification and retrofit projects; and other building services, including reception, security, and catering services. In addition, it offers refinery turnaround planning and engineering; welding; overhaul and maintenance; instrumentation and electrical; and renewable energy services. The company was incorporated in 1987 and is headquartered in Norwalk, Connecticut.

Empire Company Limited is engaged in the business of food retailing and related real estate. The Company's segments include Food Retailing, and Investments and Other Operations. The Food Retailing segment consists of its subsidiary, Sobeys Inc., which owns, affiliates or franchises over 1,500 stores in approximately 10 provinces under retail banners that include Sobeys, Safeway, IGA, Foodland, FreshCo, Thrifty Foods, and Lawton's Drug Stores, as well as more than 350 retail fuel locations. The Company's Investments and Other Operations segment includes equity accounted interest in Crombie REIT, which is an open-ended real estate investment trust owning a portfolio of over 260 retail and office properties across Canada, and equity accounted interests in Genstar Development Partnership, Genstar Development Partnership II, GDC Investments 4, L.P., GDC Investments 6, L.P., GDC Investments 7, L.P., GDC Investments 8, L.P. and The Fraipont Partnership (collectively, Genstar).

PowerShares Financial Preferred Portfolio (the Fund) is a non-diversified fund. The Fund is based on the Wells Fargo Hybrid and Preferred Financial Index (WHPSF Financial Index) (the Index). The Index tracks the performance of the United States-listed securities issued by financial institutions. The Index is rebalanced monthly. The Fund normally invests at least 90% of its total assets in preferred securities that consists of the Index. The Fund may contain securities in the financial and insurance sectors. The Fund's investment advisor is Invesco PowerShares Capital Management LLC.