
Commercial HVAC firm National TAB Intelligence ranks No. 3,198 on the 2026 Inc. 5000 with 93% three-year revenue growth. President Joe Hertenstein credits the team's discipline and innovation.
National TAB Intelligence (NTi) has been ranked No. 3,198 on the 2026 Inc. 5000 list, the annual ranking of America's fastest-growing private companies. The company posted 93% three-year revenue growth from 2022 to 2025, a figure that placed it among the 5,000 honorees.
"The Inc. 5000 recognition is a testament to the incredible things our team has achieved together," NTi President Joe Hertenstein said. "We're not finished growing yet – we continue to challenge ourselves to innovate and stay agile while pursuing our goals with discipline, intention, and staying true to our core identity."
NTi provides commercial HVAC testing, adjusting, and balancing services across the United States. Its client list includes Chick-fil-A, Chipotle, and Shake Shack. The company was founded in 2006 and is based in Cincinnati.
The Inc. 5000 ranks companies by percentage revenue growth from 2022 to 2025. To qualify, firms had to be U.S.-based, privately held, and for-profit, with minimum revenue of $100,000 in 2022 and $2 million in 2025. The median three-year growth rate among all honorees was 130%, and the group collectively added more than 627,000 jobs.
Inc. will celebrate the honorees at its 2026 Inc. 5000 Conference & Gala, scheduled for Oct. 14–16 in Dallas.
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