Keystone Announces Formation of Integra Testing Services
February 2022

Keystone Capital Management, L.P. (“Keystone”) is pleased to announce the formation of Integra Testing Services (“Integra”), a market leader in the testing, adjusting, and balancing (“TAB”) of commercial HVAC systems as well as related testing and commissioning services for the built environment.

Integra was formed through initial partnerships with Fulton & Associates (Mentor, OH) and Neudorfer Engineers (Seattle, WA). Fulton, founded in 1996, is a leader in the Ohio market and is led by Dominic Mazzolini. Neudorfer, founded in 1970, is a leader in the Pacific Northwest market and is led by Bill Neudorfer. For more information on Integra, visit

Dominic Mazzolini will lead the Integra platform as Chief Executive Officer. Additionally, Integra is pleased to announce that Travis Nichols has joined as Chief Financial Officer. Mr. Nichols was previously the Chief Financial Officer of Rocore Holdings, a former Keystone portfolio company exited in 2017.

Integra is also pleased to announce the subsequent acquisition of International Test & Balance (“ITB”), a market leader in TAB services in Chicago and Michigan. ITB is led by Chairman Gary Tarazi and CEO Christopher Yacu.

“I am tremendously excited about the coming together of Fulton and Neudorfer and for the potential of the Integra platform,” commented Mr. Mazzolini. “The Integra platform will allow other TAB & ‘built environment’ companies to join us in providing our services to an even larger customer base,” commented Mr. Neudorfer, President of Neudorfer Engineers.

The formation of Integra represents a continuation of Keystone’s established expertise in the built environment testing and field services market. “Integra is well-aligned with Keystone’s historical and current investment experience in the commercial services industry, and we are thrilled by the opportunity to partner with this management team,” commented Jason Van Zant, Managing Director of Keystone Capital.

Integra is actively seeking acquisition opportunities in built environment testing and inspection services as add-on acquisitions. Parties with knowledge of relevant potential investment opportunities are encouraged to contact Keystone.

Terms of the transaction are not being disclosed. Senior debt financing was provided by CIBC Bank USA and legal counsel was provided by Honigman, LLP.


Contact Information

Jason Van Zant
(312) 219-7974

Matt Blanks
(312) 219-7987