Wenhui-xinmin United Press Group was created in 1998.
Lambrakis Press Group was created in 1922.
Memorial Press Group was created in 1822.
Color Press Group was created in 1992.
William Press Group was created in 1913.
United Press International was created in 1958.
Caxton Press - United States - was created in 1925.
United Press International Athlete of the Year Award was created in 1974.
In the United States, "was" is probably more common, but in England, "were." This is true in general of collective nouns that are singular in form but refer to a group of people.
Memorial Press Group's population is 135.
The population of Memorial Press Group is 2,004.
Color Press Group's population is 350.
Color Press Group's population is 2,008.