Ivan John Dvorak

Exp Global, Inc. provides professional, technical and strategic advisory services. It offers professional, technical and strategic services to the world's built and natural environments in six key practice areas: buildings, earth and environment, energy, industrial, infrastructure, and sustainability. The company was founded in 2005 and is headquartered in Brampton, Canada.

exp US Services, Inc. provides engineering, design, and consulting and strategic advisory services to built and natural environments. The company was founded on April 4, 2011 and is headquartered in Brampton, Canada.

exp Federal, Inc. provides architecture, engineering, technical consulting, and program management services. It offers anti-terrorism force protection and physical security design, building information modeling, master planning, and landscape architecture. The company was founded by Wayne C. Teng and Eleanor Teng in 1959 and is headquartered in Chicago, IL.