Barbara Jane Irwin

Potash Corporation of Saskatchewan, Inc. is a fertilizer company, which produces crop nutrients, including potash, phosphate and nitrogen. It operates through the following segments: Potash, Phosphate, Nitrogen, and Others. The Potash segment includes mineral deposits left by ancient evaporated seas and is used as a crop nutrient. The Phosphate segment manufactures acids for use in fertilizer, feed, and industrial products. The Nitrogen segment produces a broad range of nitrogen products, including ammonia, urea and other products such as nitric acid, ammonium nitrate, and nitrogen solutions. It also produces potash and granular grades, diammonium phosphate, monoammonium phosphate, phosphoric acid, ammonia, and urea. The company was founded on June 4, 1953 and is headquartered in Saskatoon, Canada.

Chicago Botanic Garden promotes understanding and conservation of plants. Its activities include educational & horticulture programs such as representing varied landscape elements and specialty collections, plant conservation, as well as art, culture, and humanities programs. The company was founded in 1963 and is headquartered in Glencoe, IL

S & C Electric Co. designs and manufactures switching and protection products for electric power transmission and distribution. It offers automation controls, automated switching equipment, energy storage systems, fusing equipment, handling tools, and metal-enclosed switchgear. The company was founded by Nicholas J. Conrad and Edmund O. Schweitzer in 1911 and is headquartered in Chicago, IL.

Music Institue of Chicago offers music education for all ages and levels of ability. The company was founded in 1931 and is headquartered in Evanston, IL.