Kathryn Mikells

United Air Line, Inc. provides air transportation services. It operates flights to domestic and international destinations from its hubs. The company was founded in December, 1968 and is headquartered in Chicago, IL.

Xerox Corp. engages in the integration of paper and digital products. The firm offers home, office, office laser, multifunction and all in one printer, digital sheet-fed printing presses and scanner. The company was founded in 1906 and is headquartered in Norwalk, CT.

Nalco Co. engages in the provision of chemistry programs and services. It serves upstream and midstream oil and gas industry, and refineries and petrochemical operations. Its services includes energy exploration and production; oil and as midstream; and refining, fuel additives, and petrochemical. The company was founded in 1928 and is headquartered in Sugar Land, TX.

Nalco Holding Co. provides water, hygiene and energy technologies and services that protects people and vital resources. The firm also provides integrated water treatment and process improvement services for industrial and institutional applications, using technologically advanced solutions, combining chemical products and equipment, and consistent, reliable on-site service and expertise. The company was founded in November 2004 and is headquartered in Naperville, IL.

The ADT Security Corp. engages in the provision of electronic security, interactive home and business automation, and related monitoring services. The company was founded on January 18, 2012 and is headquartered in Boca Raton, FL.

ADT LLC provides electronic security systems and services. Its security solutions include intrusion detection, fire detection, video surveillance, access control, critical condition monitoring, health and elder care monitoring, electronic article surveillance, radio frequency identification and integrated systems. The company was founded by Edward Augustin Calahan in 1874 and is headquartered in Boca Raton, FL.

The Weitz Co. LLC provides construction services. It operates as a full-service general contractor, design-builder, and construction manager. The firm provides integrated project delivery, millwright specialty, supply chain, general construction, construction management, design or build, preconstruction, construction, estimating and scheduling, virtual design and construction, safety, quality control, sustainability, lean-last planner, and post construction. The company was founded in 1855 and is headquartered in Des Moines, IA.

Ravinia Festival Association provides professional music shows. Its programs include reach programs, teach programs, instrument game, and program for jazz. The company was founded in 1904 and is located in Highland Park, IL.