ST. LOUIS–(BUSINESS WIRE)–Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, today announced the acquisition of Soberman Engineering by KJA, a subsidiary of ATIS, a TSCP portfolio company and premier provider of elevator and escalator safety inspections, consulting, and managed services across North America.
Soberman Engineering has built a strong reputation for independent advisory services, with expertise spanning new construction, modernization, inspections, ongoing maintenance support, and general technical assistance. With this addition, KJA further expands its capabilities in the Toronto and new construction market while maintaining its core values of independence, technical excellence, and client-first service. Terms of the transaction were not disclosed.
About KJA
With more than 60 years of experience and headquarters in Toronto, KJA is Canada’s largest and premier provider of vertical transportation consulting and managed services. Serving clients from coast to coast, our team delivers independent, technically rigorous guidance for elevators, escalators, and related systems. We are committed to long-term client outcomes through deep expertise, advanced tools, and a national platform that supports building owners across all of Canada.
About ATIS
ATIS (www.atis.com) is one of North America’s largest providers of vertical transportation inspections, consulting, and managed services. With a team of over 200 licensed QEI professionals and expert consultants, ATIS provides unparalleled service across the US and Canada to more than 15,000 clients, promoting the safety and performance of nearly 100,000 elevators and escalators. Renowned for its commitment to excellence and innovation, ATIS provides safety inspections and expert consulting services for a wide range of projects across all sectors, including new construction, modernization, and asset management, while also offering fully managed elevator solutions that include maintenance management and certificate management.
About Thompson Street Capital Partners
Thompson Street Capital Partners (tscp.com) is a St. Louis-based private equity firm focused on investing in founder-owned middle market businesses in the life sciences and healthcare, software and technology, business and consumer services and products sectors. Founded in 2000, the firm has acquired more than 250 companies and had assets under management of over $4.5 billion as of September 30, 2025. TSCP partners with management teams to increase value by accelerating growth, both organically and via complementary acquisitions.
Contacts
Gregory
Camaryn Sapienza
[email protected]
(630) 699-9865
