ATIS Acquires Vermont Elevator Inspection Services (VEIS)

ATIS Acquires M.A.N Elevator Inspections

January 1, 2025

Engineering Services

ATIS, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired M.A.N Elevator Inspections, a Florida-based provider of elevator inspection services. The deal expands ATIS's footprint and inspection capacity across southeastern (and western) Florida; terms were not disclosed.

Thompson Street Capital Partners Invests in ATIS

September 25, 2024

Engineering Services

Thompson Street Capital Partners (TSCP) has made a growth investment in ATIS, a St. Louis–headquartered provider of elevator and escalator safety inspections, consulting, and managed services. Terms were not disclosed; TSCP said the capital will support expansion of ATIS’ service offerings, sales and marketing, geographic growth, and strategic add-on acquisitions.

ATIS Acquires Bayline Lift Technologies

December 23, 2025

Engineering Services

ATIS, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired Bayline Lift Technologies, an independent elevator inspection and consulting firm headquartered in Norfolk, Virginia. The add-on strengthens ATIS's footprint in the Mid-Atlantic and expands its inspection and consulting capabilities for government and private-sector clients.

ATIS (Thompson Street-backed) Acquires Technical Inspection Agency USA (TIA USA)

September 15, 2025

Professional Services

ATIS, a St. Louis-based provider of elevator and escalator inspections and consulting (backed by Thompson Street Capital Partners), has acquired Technical Inspection Agency USA (TIA USA), a Las Vegas–headquartered provider of vertical transportation inspections and consulting serving Nevada and Arizona. The deal expands ATIS’ national footprint and technical capabilities in complex vertical transportation systems; terms were not disclosed.

American Testing and Inspection Services Acquires A Smart Elevator Solution and 1 Able Elevator Inspector

November 18, 2020

Engineering Services

American Testing and Inspection Services (ATIS), a St. Louis–based conveyance management company, has acquired Colorado-based A Smart Elevator Solution, LLC (Littleton) and 1 Able Elevator Inspector, LLC (Wheat Ridge). The acquisitions expand ATIS’s inspection, consulting and conveyance management presence in Colorado and integrate the target teams into ATIS’s regional operations.

Vantage Elevator Solutions Acquires BSIS

October 13, 2025

Industrial Services

Vantage Elevator Solutions, headquartered in Bronx, New York, has acquired BSIS, a New York–based installer of passenger and freight door systems, cabs, cab remodeling, platforms and emergency repairs. The acquisition will integrate BSIS' field and technical services into Vantage's portfolio (alongside Freight Tech) to expand capability and deliver more comprehensive field support and manufacturing services to customers.