Mike Vanous

NISA Investment Advisors LLC is a SEC-registered investment advisor headquartered in St. Louis, Missouri. The firm was founded in 1994 by Jess Yawitz and Bill Marshall as National Investment Services of America, Inc. They are a wholly-owned subsidiary of NISA LLC. NISA Investment Advisors provides investment advice to institutional clients.

Invesco Advisers, Inc. is a SEC-registered investment advisor headquartered in Atlanta, Georgia. They are a subsidiary of Invesco Group Services, Inc., ultimately held by Invesco Ltd. (NYSE: IVZ). The firm was founded in 1986 and previously known as Invesco Institutional NA, Inc. until April 2010 when Invesco Ltd. consolidated the businesses of their US investment advisors (Invesco AIM Advisors, Inc., Invesco AIM Capital Management, Inc., Invesco AIM Private Asset Management, Inc. and Invesco Global Asset Management NA, Inc.) under the name Invesco Advisers, Inc. They provide discretionary and non-discretionary investment advisory services to individuals, institutional and high net-worth clients through separate accounts, wrap fee programs and US registered investment companies and other Commingled Funds.

Ameritech Corp. provided telecommunications services in the United States. Its Bell Group provided exchange telecommunications, local and long-distance exchange access services for business and residential customers in the Midwest was made up of Illinois Bell, Indiana Bell, Michigan Bell, Ohio Bell and Wisconsin Bell. The company was headquartered in Chicago, IL.

Part of The Southern Co., Southern Company Services, Inc. engages in power distribution services. The company is based in Montgomery, AL. The CEO of the company is Mark S. Lantrip.