VDA, a leading vertical-transportation consulting and inspection firm in North America, has announced the acquisition of Elevator Safety Inspection Services (ESIS), a leading elevator and escalator inspection company based in Hot Springs, Arkansas. ESIS has built a strong reputation for quality, reliability and responsive service across the south-central U.S. and is licensed in Arkansas, Alabama, Florida, Louisiana, Mississippi, Missouri, Oklahoma and Texas. ESIS customers will continue working with the same team, while gaining access to VDA’s broader resources, technology and nationwide network of inspection and consulting professionals.