A privately owned San Francisco startup backed by private-equity money has acquired 16 data centers nationwide from a national company, including one in downtown Buffalo.

365 Main, a 10-year-old data center developer and operator, did not say how much it paid to buy the 16 facilities from Equinix Inc. The deal was led by 365 Main CEO Chris Dolan, Chief Operating Officer Jamie McGrath, and financial partners Crosslink Capital, Housatonic Partners and Brightwood Capital.

The facilities include one at 350 Main St. in the Main Place Tower in Buffalo, as well as sites in Chicago, Cleveland, Dallas, Detroit, Indianapolis, Nashville, New York, Philadelphia, Phoenix, Pittsburgh, San Jose, Seattle, St. Louis, Tampa and Washington, D.C.

As part of the purchase, several former Equinix staff members also joined 365 Main’s executive team, including its new vice president of sales and three former directors of regional operations, who will continue to manage the 16 facilities. Rene Vazquez River, director of operations for the East, will be responsible for the Buffalo site.

365 Main, named for a data center project in San Francisco, was started in 2002 by Dolan and McGrath with a single data center in that city, and grew to five facilities nationwide. Those facilities were sold in 2010 to Digital Realty Trust.

“365 Main now has a national reach with a local focus,” Dolan said. “In the last decade, we earned the reputation of proven data center expertise coupled with high touch customer service, satisfaction and retention. With these newly acquired data centers, we plan to bring that level of service to small businesses up to large enterprises.”

Equinix operates interconnected data centers in 30 markets across 14 countries.