Three Arizona-based technology companies have earned spots on Deloitte’s Technology Fast 500 list, a ranking of the 500 fastest growing technology, media, telecommunications, life sciences, and energy tech companies in North America. Criteria for inclusion is based on a company’s percentage of revenue growth from fiscal year 2014 to 2017.

Making this year’s list are:

• Tucson-based medical devices company HTG Molecular Diagnostics, Inc. is ranked No. 257, with growth of 343%.

• Scottsdale-based software company SiteLock is ranked No. 275, with growth of 306%.

• Scottsdale-based software company Nextiva is ranked No. 426, with growth of 182%.

“Congratulations to the Deloitte 2018 Technology Fast 500 winners on this impressive achievement,” said Sandra Shirai, vice chairman, Deloitte LLP, and U.S. technology, media and telecommunications leader. “These companies are innovators who have converted their disruptive ideas into products, services, and experiences that can captivate new customers and drive remarkable growth.”

“Software, which accounts for nearly two of every three companies on the list, continues to produce some of the most exciting technologies of the 21st century, including innovations in artificial intelligence, predictive analytics, and robotics,” said Mohana Dissanayake, partner, Deloitte & Touche LLP, and Industry Leader for technology, media and telecommunications, within Deloitte’s audit and assurance practice. “This year’s ranking demonstrates what is likely a national phenomenon, where many companies from all parts of America are transforming the way we do business by combining breakthrough research and development, entrepreneurship, and rapid growth.”

Deloitte’s Technology Fast 500 provides a ranking of the fastest growing technology, media, telecommunications, life sciences and energy tech companies — both public and private — in North America. Technology Fast 500 award winners are selected based on percentage fiscal year revenue growth from 2014 to 2017.

In order to be eligible for Technology Fast 500 recognition, companies must own proprietary intellectual property or technology that is sold to customers in products that contribute to a majority of the company’s operating revenues. Companies must have base-year operating revenues of at least $50,000 USD, and current-year operating revenues of at least $5 million USD. Additionally, companies must be in business for a minimum of four years and be headquartered within North America.