The Canadian founder of Shred-it, a successful document-destruction company, has been identified as one of four victims killed in an Alaska plane crash.

Greg Brophy, 44, was killed when a floatplane he was travelling in crashed near Alaska's Katmai National Park and Preserve on Sunday.

Three others -- including Brophy's eldest brother Sean and Tom Beatty, a guide from Homer, Alaska -- were also killed in the crash.

The pilot has not yet been identified.

The plane, a Helio Courier H-295, was flying back to Royal Wolf Lodge when it crashed into trees near Nonvianuk Lake, confirmed the U.S. National Transportation Safety Board.

Nonvianuk Lake is about 320 kilometres southwest of Anchorage, on the northern portion of the national park.

Brophy, from Oakville, Ont., is the founder and CEO of Securit Information Security. Shred-it, the document destruction division of Securit, was founded in 1988.

He leaves behind three children -- Christopher, Megan and Kirsten -- and his wife, Tracey.

Brophy won many awards throughout his career, including "Emerging Entrepreneur of the Year" in 1994 by Ernst & Young. In 1995, he was recognized as one of Canada's "Top 40 under 40."

Securit was named one of "Canada's 50 Best Managed Companies" in 2003, 2004 and 2005.

According to its website, Securit employs over 2,600 people at more than 140 branches on five continents. The company has over 150,000 customers, including Fortune 500 companies, hospitals, banks and government departments and agencies.