VDA Acquires Central Elevator Inspections and 1 Above Elevator Inspections

Keystone Capital Acquires VDA, Inc.

December 22, 2021

Engineering Services

Keystone Capital Management completed an investment partnership with VDA, Inc., a leading provider of technical consulting and inspection services to the elevator and vertical transportation industry. The transaction establishes VDA as a Keystone platform in the building sciences space and positions the company to pursue add-on acquisitions to accelerate growth and consolidation.

VDA (Keystone Portfolio) Acquires Sierra Consulting Group

April 30, 2022

Engineering Services

Keystone Capital Management’s portfolio company VDA, Inc. acquired Sierra Consulting Group in an add-on deal completed in November 2021 and announced in April 2022. The acquisition expands VDA’s mandated inspection and modernization consulting capabilities in the vertical transportation (elevator/escalator) market and brings Sierra founder Joseph Caracappa and his team into VDA’s leadership.

VDA Acquires HKA Vertical Transportation Consulting

August 11, 2025

Engineering Services

VDA, a leading vertical transportation consulting and inspection firm, has acquired HKA Vertical Transportation Consulting, a Southern California–based elevator and escalator consulting firm with over 60 years of experience. The deal expands VDA's footprint and technical capabilities in the western United States while giving HKA access to VDA's nationwide network and resources.

Total Access Elevator Acquires Vertical Elevator Solutions

March 13, 2025

Engineering Services

Total Access Elevator, a Century Park Capital Partners-backed platform, has acquired Vertical Elevator Solutions, an independent provider of elevator maintenance, repair, and modernization based in Simi Valley, California. The add-on expands Total Access's service capabilities and geographic presence across Ventura County and greater Los Angeles while preserving continuity for Vertical's employees and customers.

3Phase Elevator Acquires West Virginia Elevator

June 29, 2021

Industrial Services

3Phase Elevator has merged with West Virginia Elevator, bringing the West Virginia market leader into 3Phase's platform as part of a national expansion strategy following an investment from Berkshire Partners. West Virginia Elevator founders Dustin Bozek and Chris Bradley will continue to lead and remain owners while the combined business expands service capabilities and geographic reach.

ATIS Acquires Vermont Elevator Inspection Services (VEIS)

November 13, 2024

Engineering Services

ATIS, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired Vermont Elevator Inspection Services (VEIS). The add-on expands ATIS' geographic footprint into Vermont and strengthens its local inspection and regulatory compliance capabilities; terms were not disclosed.