Long Island Network








We dig into the archives to find historical facts about Long Island’s unique drive-thru.


Photo: Google Maps.


Favorite place to buy bread and milk (and eggs) on Long Island? A dairy farm of course! The red drive-thru farmhouse convenience store still exists on Long Island, originally as an extension of a failed dairy farm before it was bought by the corporation. Below we introduce some crazy historical facts about the Dairy Barn.


  • In 1939, Swiss immigrant Edgar Cosman purchased East Northport’s Oak Dairy Farm

  • Cosman was originally sent to America by his businessman father to work in his company’s factory

  • Young Cosman was trapped here when World War II broke out

  • When the farm he bought started losing money, he put his son Dieter in to fix it

  • Dieter turned the milk farm around, but people quickly started losing interest in delivering milk, so he had to figure out a way

  • 1961 Dieter expands wholesale milk business and opens drive-thru retail chain; Dairy Farm is born

  • The stores have all looked the same for years, with a barn-shaped store, small red silos and two covered driveways

  • This is the first drive-thru convenience store on Long Island

  • At its peak, there were approximately 70 Dairy Barns throughout Long Island

  • 51 dairy farms in 2015

  • Company President Hari Singh was Tell According to The New York Times, “Dairy Barn is as far away as you can get from a supermarket experience.”

  • In the same article, Kim Martin, a clerk at the Syosset branch, said: “We see at least 10 people a day in their pajamas.”of



Support the Dairy Barn ad for Sesame Street. Video: YouTube


  • The Oak Tree Dairy factory suffered a devastating fire in 1997, luckily no one was killed

  • It took a year and $11 million to rebuild, according to New York Times

  • At the time, oak trees produced approximately 21.8 million gallons of milk per year

  • The Cosman family eventually sold their original dairy farm to a developer

  • 37-acre property transformed into a 55+ apartment community

  • according to untapped new york siteIn 2010, Mike and Aegina Angeliades, father and daughter from Long Island, took over Dairy Barns and renamed it The Barn as part of a rebrand

  • Their company, Simi Enterprises, has taken over 38 existing locations

  • People on Long Island still call them “Dairy Barn”

  • There are other similar looking convenience stores that Long Islanders commonly call a Dairy Barn, although they are not

  • The Barn’s Drive-Thru Business Idea well done During the epidemic

  • The Barn reportedly merged with a company called Greek From Greece around 2019

  • Greek From Greece reportedly expands into New York through merger with The Barn, introducing an expression concept

  • exist time Thirty locations will be converted to Greek From Greece Express model locations, called GFG Express, the company said

  • Greeks from Greece start By selling private label Greek imports in stores

  • Company website lists 23 GFG Express Place in long island

  • according to a ReportGFG to return store to Simi Enterprises in November 2022



A timeline of Dairy Barn milk bottles. Photo: Dary Barn website.


  • Simi recently put 17 former Dairy Barn properties for sale

  • Entrepreneurs are buying or leasing these properties and turning them into Dairy Barn-like drive-thru stores

  • The owners of Simi plan to continue to run several stores themselves, including those in Huntington and St James

  • Founder Dieter Cosman is an avid diver and shell collector

  • His shell collection includes 117,000 specimens

  • The series culminates in scientific research and genius Occidental College after his death

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