Shaw's and Star Market

Shaw's and Star Market are two American grocery store chains based in West Bridgewater, Massachusetts, employing about 30,000 associates in 154 stores. One hundred thirty two stores are operated under the Shaw's banner in Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont, while Star Market operates 22 stores in Massachusetts. Until 2010, Shaw's operated stores in all six New England states and as of 2011 Shaw's remained the only supermarket chain with stores in five of the six after it sold its Connecticut operations. The chain's largest competitors are Hannaford, Market Basket, Roche Bros., and Stop & Shop. Star Market is a companion store to Shaw's; Shaw's having purchased the competing chain in 1999.

Question: are shaw's and star market the same
Answer: no