NEW YORK (CNN/Money) - Retailer Home Depot Inc. is donating $1 million in tools and materials to support the U.S. military in Iraq.

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The company said it is sending nine truck trailers to the military, filled with 100,000 tools and materials, including shovels, table saws, concrete mixers, safety scaffolding, power generators, light bulbs and jackhammers. The donated goods left San Diego on Thursday.

Earlier this year, the company also donated $1 million, as well as a million volunteer hours by its employees, to help military families repair and maintain their homes while a family member is deployed. The company said it has more than 1,800 employees currently serving in the military effort. It has about 300,000 employees nationwide.

"Having recently returned from serving in Iraq, I know firsthand that our troops appreciate the fact that our communities and our country continue to show their support," said a statement from Tom Wagner, assistant store manager for The Home Depot in San Diego and a captain in the Marine Corps Reserve.