10. Publix Super Markets Inc.
> Revenue: $29.2 billion
> Number of employees: 167,367
>Headquarters: Lakeland, Florida
> Industry: Super Market Operator

Publix Super Markets is one of the nation’s largest grocery store operators and the largest employee-owned grocery store chain, according to the company. Publix is the second largest privately owned employer on our list with just under 168,000 employees. The company has 1,099 store locations, operating in five Southeastern states. Most of the locations are in Florida, where the company has 759 stores and makes up about 40% of the state’s grocery store market. The company was founded in George Jenkins in 1930.

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9. Pilot Flying J
> Revenue: $32.09 billion
> Number of employees: 21000
>Headquarters: Knoxville, Tennessee
> Industry: Retail

Pilot Travel Centers and Flying J merged in July of 2010 to create Pilot Flying J. Today, the merged companies are the largest privately-held retail gas and convenience store chain in the country. The company has 703 locations across all 50 states. The company originated from the Pilot Corporation, which was founded in 1958 when James Haslam II opened a gas station in Gate City, Virginia.

8. Mars Inc.
> Revenue: $35.25 billion
> Number of employees: 77000
>Headquarters: McLean, Virginia
> Industry: Candy and Confectionery Products Manufacturer

Mars is the world’s largest candy company. It owns some of the most popular candy brands such as Snickers, Twix, and of course the Mars bar. Part of the company’s size is attributable to acquisitions of other candy companies over the years, including Wrigley Company, which produces products such as Starburst and Skittles. The company is owned by the Mars family, whose ownership in the company makes them one of the richest families in the country.

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7. Liberty Mutual Holding Co., Inc.
> Revenue: $39.631 billion
> Number of employees: 55000
>Headquarters: Boston, Massachusetts
> Industry: Insurance

Liberty Mutual was founded in 1912 as Massachusetts Employees’ Insurance Association. Over the next several decades, the company expanded its operations to all states. Today, Liberty Mutual Holdings is the third largest property and casualty insurer in the country. Like all of the insurers on this list, Liberty Mutual is policyholder-owned.

6. Bechtel Corporation
> Revenue: $42.15 billion
> Number of employees: 53,000
>Headquarters: San Francisco, California
> Industry: Construction & Engineering

Bechtel is one of the largest diversified construction and engineering contractors in the world, working in a variety of industries including oil and gas, infrastructure and telecommunications. The company was founded in 1898 by Warren Bechtel and initially focused on railroad construction projects. Notable projects include working on building the Hoover Dam, development of the Jubail Industrial City in Saudi Arabia, and aiding in the cleanup following the Three Mile Island accident. The company is largely owned by descendants of Warren Bechtel, and the family has remained consistently involved in the company’s management.