A grocery chain you've never heard of is about to be one of the biggest in America

Aldi says it has a plan to become the third largest grocery chain by in the U.S. by store count within the next four years.

The discount chain is investing $3.4 billion to expand to 2,500 stores — up from 1,600 stores today — by 2022, the company said Monday.

The aggressive expansion plan would make Aldi the third largest supermarket chain behind Walmart and Kroger.

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The interior of Aldi, a retail grocery store chain is pictured in Wheaton, Illinois, U.S., April 13, 2017. REUTERS/Nandita Bose
A sign directing shoppers to an ALDI Sued grocery store in Unterhaching, Germany May 18, 2017. REUTERS/Michael Dalder
Scott Patton, Vice President, Corporate Buying of Aldi is seen at Aldi store in Wheaton, Illinois, U.S., April 13, 2017. REUTERS/Nandita Bose??
A lady shops at Aldi, a retail grocery store chain in Wheaton, Illinois, U.S., April 13, 2017. REUTERS/Nandita Bose
A shopper is pictured at Aldi, a retail grocery store chain in Wheaton, Illinois, U.S., April 13, 2017. REUTERS/Nandita Bose
Shoppers are pictured at Aldi, a retail grocery store chain in Wheaton, Illinois, U.S., April 13, 2017. REUTERS/Nandita Bose
People shop at the Aldi store in Atherstone, Britain February 9, 2017. Picture taken February 9, 2017. REUTERS/Darren Staples
People shop at the Aldi store in Atherstone, Britain February 9, 2017. Picture taken February 9, 2017. REUTERS/Darren Staples
A notice warns of possible food shortage at the Aldi store in Atherstone, Britain February 9, 2017. Picture taken February 9, 2017. REUTERS/Darren Staples
Milk is displayed at the Aldi store in Atherstone, Britain February 9, 2017. Picture taken February 9, 2017. REUTERS/Darren Staples
A staff member stacks shelves at the Aldi store in Atherstone, Britain February 9, 2017. Picture taken February 9, 2017. REUTERS/Darren Staples
Steak is displayed at the Aldi store in Atherstone, Britain February 9, 2017. Picture taken February 9, 2017. REUTERS/Darren Staples
A shopper looks at wine at the Aldi store in Atherstone, Britain February 9, 2017. Picture taken February 9, 2017. REUTERS/Darren Staples
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"We pioneered a grocery model built around value, convenience, quality and selection and now Aldi is one of America's favorite and fastest growing retailers," Aldi U.S. CEO Jason Hart said in a statement. "We're growing at a time when other retailers are struggling. We are giving our customers what they want, which is more organic produce, antibiotic-free meats and fresh healthier options across the store, all at unmatched prices up to 50 percent lower than traditional grocery stores."

Aldi also said Monday that it's continuing to invest $1.6 billion in remodeling 1,300 existing stores with a new design that features softer lighting than its older stores, as well as a larger fresh produce section, wider aisles, and electronic displays on the walls.

The German-owned grocery chain debuted the new design in October at a store in Richmond, Virginia, and it looks almost identical to Whole Foods' new cheaper chain of stores called 365 by Whole Foods.

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The most popular grocery store in every state
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The most popular grocery store in every state

ALABAMA: Publix 

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ALASKA: Safeway 

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ARIZONA: FrysFoodStores 

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ARKANSAS: Harps Food Stores

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CALIFORNIA: Trader Joe's

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COLORADO: King Soopers

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CONNECTICUT: Whole Foods Market 

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DELAWARE: Food Lion Grocery Store 

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WASHINGTON, D.C.: Whole Foods Market

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FLORIDA: Publix 

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GEORGIA: Publix 

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HAWAII: Safeway 

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IDAHO: Albertsons

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ILLINOIS: Jewel 

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INDIANA: Kroger 

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IOWA: Hy-Vee 

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KANSAS: Hy-Vee

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KENTUCKY: Kroger 

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LOUISIANA: Rouses Markets 

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MAINE: Shaw's 

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MARYLAND: Safeway 

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MASSACHUSETTS: Whole Foods Market 

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MICHIGAN: Kroger 

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MINNESOTA: Cub Foods 

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MISSISSIPPI: Kroger 

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MISSOURI: Hy-Vee 

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MONTANA: Albertsons

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NEBRASKA: Hy-Vee

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NEVADA: Albertsons

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NEW HAMPSHIRE: Shaw's 

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NEW HAMPSHIRE: Shaw's 

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NEW MEXICO: Albertsons

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NEW YORK: Whole Foods Market

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NORTH CAROLINA: Food Lion Grocery Store

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NORTH DAKOTA: Hombacher's

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OHIO: Kroger 

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OKLAHOMA: Homeland Stores

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OREGON: Safeway 

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PENNSYLVANIA: Wegmans Food Markets

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RHODE ISLAND: Shaw's

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SOUTH CAROLINA

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SOUTH DAKOTA: Hy-Vee 

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TENNESSEE: Publix

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TEXAS: H-E-B 

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UTAH: Smith's

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VERMONT: Shaw's 

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VIRGINIA: Food Lion Grocery Store 

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WASHINGTON: Safeway

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WEST VIRGINIA: Food Lion Grocery Store

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WISCONSIN: Pick 'n Save 

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WYOMING: Albertsons

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