BOYERS, Pa. (KDKA) — With increasing attention on cyber security and data storage, more and more companies are finding a solution 200 feet below the hills of Butler County.

That’s where worldwide Iron Mountain has its flagship storage and processing center, which is now expanding to meet its clients’ growing needs.

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Rolling into Iron Mountain’s cavernous limestone mine storage facility, the mind cannot fathom what is stored inside.

There’s historical pictures, the original masters of many Hollywood classics, the byproduct of millions of work hours of countless businesses and computer data storage and processing.

“Today, this is another 20,000 feet data center space in this room; plus, there’s another room half its size immediately through the wall,” said Mark Kidd, the senior vice president of Iron Mountain Data Centers.

Iron Mountain’s latest additional space is carved out of the limestone with a pristine finished for the sterile environment for data storage and processing.

Kidd says the space could be for a single user, or for many smaller clients. Clients who like the unique offerings of the Boyers mine.

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One of the rooms has its own for 2.5 megawatts of power, and the mine’s underground lake provides efficient cooling. Also, security there is tight and getting tighter.

The Boyers site is about to sprout a new welcome center, but more importantly, it will be a high-tech screening center for everything going into the mine.

“We have a lot of private industry that have very highly secure things that they store with us,” said Sarah Abrams, the senior vice president of Iron Mountain.

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All of it underscores Iron Mountain’s commitment.

“We anticipate doing this size phase every year for the next few years,” said Kidd. “Then, we’ll work on kind of the next major development after that.”

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The amount of space at the site is incredible. Four million square feet, and so far, Iron Mountain is working with about three million of that, leaving a million for future development.