Forest Park In St. Louis, Missouri
Forest Park In St. Louis, Missouri

ATIS Expands its Footprint in the Mid-Atlantic Through Acquisition of Bayline Lift Technologies

ST. LOUIS (December 23, 2025)

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Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, today announced the acquisition of Bayline Lift Technologies (Bayline) by ATIS, a TSCP portfolio company and premier provider of elevator and escalator safety inspections, consulting, and managed services across North America.

Bayline provides elevator inspection services throughout the Mid-Atlantic. With the backing of ATIS’ team and resources, Bayline is poised for accelerated growth, while continuing to provide high-quality services to its customers. Terms of the transaction were not disclosed.