Michael F. DeSantiago

Chicago Zoological Society, Inc. provides animal care services. It provides indoor animal exhibition, family play zoo, dolphin presentations, and motor safari tram tours. The firm offers programming for various groups, including teachers, schools, youth groups, groups with disabilities, community groups, and teens, as well as individuals, families, and children. The company was founded in 1934 and is headquartered in Brookfield, IL.

Primera Engineers Ltd. provides engineering services. Its services include mechanical, electrical, plumbing, structural, civil, telecommunications and power engineering, as well as protection and controls, commissioning, energy services, architecture, sustainability, life safety, lighting, transportation, power delivery, and project and construction management. The company was founded by Michael F. DeSantiago and Pedro Cevallos-Candau in 1987 and is headquartered in Chicago, IL.