The manufacturing plant in rural Tennessee rocked by a deadly explosion Friday is owned by a company that manufactures, stores and researches explosives for the military, aerospace and commercial demolition industries, according to the company’s website.

Multiple people were killed and an untold number were missing, authorities said.

The explosion at Accurate Energetic Systems’ plant shook houses miles away and rescuers were forced to wait out secondary blasts. The company website said it manufactures, stores and researches explosives for the military, aerospace and commercial demolition industries.

The company’s eight-building facility in the wooded hill near the town Bucksnort, some 60 miles (97 kilometers) southwest of Nashville, sits on 1,300 acres where munitions and explosives are

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