Catsimatidis and his wife have made contributions to a variety of both Republican and Democratic campaigns. Among Republicans, the Catsimatidises contributed over $60,000 to the Republican National Committee, and have also made significant contributions to the National Republican Congressional Committee, National Republican Senatorial Committee, Mitt Romney, Eric Cantor, Olympia Snowe, Richard Lugar, and others. Among Democrats handful of Democratic campaigns, including to Carolyn B. Maloney, Charlie Rangel, and Jerrold Nadler. In local New York City races, Catsimatidis has given to Bill de Blasio (while he was a city councilman), Brooklyn Borough President Marty Markowitz, Cyrus Vance, Jr., and Staten Island Borough President James Molinaro. In the 1992 Democratic presidential primaries, Catsimatidis contributed $150,000 to the campaign of fellow Greek American Paul Tsongas.