Acadia Healthcare Co., Inc. engages in the provision of behavioral healthcare services across the United States. The firm provides services to its patients in a variety of settings, including inpatient psychiatric hospitals, specialty treatment facilities, residential treatment centers, and outpatient clinics. The company was founded in January 2005 and is headquartered in Franklin, TN.

Axcelis Technologies, Inc. engages in the manufacture of capital equipment for the semiconductor chip manufacturing industry. Its ion implantation systems product line includes high and medium current, and energy implanters. It also offers post-sales equipment service and support, such as spare parts, equipment upgrades, used equipment, maintenance services, and customer training. The company was founded in 1978 and is headquartered in Beverly, MA.

ACRES Commercial Realty Corp. is a real estate investment trust, which engages in the origination, holding, and management of commercial mortgage loans, and commercial real estate related debt investments. The company was founded in 2005 and is headquartered in New York, NY.

Enact Holdings, Inc. operates as a holding company which provides mortgage insurance services. It provides credit protection to mortgage lenders and investors, covering a portion of the unpaid principal balance of mortgage loans. The company was founded in 1981 and is headquartered in Raleigh, NC.

Advanced Energy Industries, Inc. engages in the provision of power electronics conversion products. Its products include AC-DC power supply units, DC-DC conversion, high voltage amplifiers and power supplies, plasma power, controllers, sense and measurement. The company was founded by Douglas S. Schatz in 1981 and is headquartered in Denver, CO.

American Financial Group, Inc. is an insurance holding company, which engages in property and casualty insurance, focusing on commercial products for businesses, and in the sale of fixed and fixed-indexed annuities in the retail, financial institutions and education markets. Its Property and Casualty Insurance Products include Property and Transportation, Specialty Casualty, and Specialty Financial. The company was founded by Carl Henry Lindner Jr. in 1959 and is headquartered in Cincinnati, OH.

Aflac, Inc. is a holding company, which engages in the provision of financial protection services. It operates through the following segments: Aflac Japan and Aflac U.S. The Aflac Japan segment offers life insurance, death benefits, and cash surrender values. The Aflac U.S. segment sells voluntary supplemental insurance products for people who already have major medical or primary insurance coverage. The company was founded by John Amos, Paul Amos and William Amos on November 17, 1955 and is headquartered in Columbus, GA.

American International Group, Inc. engages in the provision of property casualty insurance, life insurance, retirement products, and other financial services to commercial and individual customers. It operates through the following segments: General Insurance, Life and Retirement, and Other Operations. The General Insurance segment consists of insurance businesses in North America and International business areas. The Life and Retirement segment includes Individual Retirement, Group Retirement, Life Insurance, and Institutional Markets. The Other Operations segment covers income from assets held by the company and other corporate subsidiaries. The company was founded by Cornelius Vander Starr in 1919 and is headquartered in New York, NY.

Albemarle Corp. engages in the development, manufacture, and marketing of chemicals for consumer electronics, petroleum refining, utilities, packaging, construction, transportation, pharmaceuticals, crop production, food-safety, and custom chemistry services. It operates through the following segments: Energy Storage, Specialties, Ketjen, and All Other. The Energy Storage segment develops and manufactures a broad range of basic lithium compounds, including lithium carbonate, lithium hydroxide, and lithium chloride. The Specialties segment focuses on optimizing a portfolio of bromine and specialized lithium solutions. The Ketjen segment consists of clean fuels technologies, fluidized catalytic cracking catalysts and additives, and performance catalyst solutions, which is primarily composed of organometallics and curatives. The All Other segment refers only to the FCS business that did not fit into any of the company's core businesses. The company was founded in 1993 and is headquartered in Charlotte, NC.

Alkami Technology, Inc. provides digital banking software solutions to credit unions, banks, credit union service organizations, and service bureaus. The firm offers content management and online & mobile banking suite that brings together for a snapshot view of accounts with recent and upcoming activities. The company was founded by Louis A. Iannaccone, Scott Klososky, Steve Meston, Gary L. Nelson, Gruenewald Bobby, Jay Lackey, Stephen Bohanon, and Kim Stroh in 2009 and is headquartered in Plano, TX.