• A Atlanta Chiefs | Atlanta Beat | Atlanta United | Ansonia FC | Arsenal | Anglo-Saxon | American A.A. | Arcadia Thistle | Albion | All Saints...
• B Brooklyn Wanderers | Bethlehem Steel | Boston Wonder Workers | Boston Breakers | Baltimore Bays | Brooklyn Celtic | Boston Minutemen | British American | Ben Millers | Boston Bears...
• C Columbus Crew | Colorado Rapids | Chicago Fire | Chivas USA | Chicago Sting | California Surf | Cameron FC | Chicago Red Stars | Connecticut Bicentennials | Carolina Courage...
• D D.C. United | Dallas Tornado | Detroit Express | Disston | Detroit Cougars | Doncaster Belles | Denver Dynamos | Dunlevy | Donora | De Andreis FC...
• E Edmonton Drillers | Erie A.A. | East Pittsburgh | Everton | Eureka | Edgar Thompson Steel Works | Eagles | East Pittsburgh Internationals | Elizabeth United | Edgemoor...
• F FC Dallas | Fall River Marksmen | Fort Lauderdale Strikers | Fall River Rovers | FC Gold Pride | Fleisher Yarn | Fall River FC | FC Cincinnati | Fore River Rovers | Falls...
• G Greenpoint FC | German | Greenville FC | Gutta Percha | Germantown | Gloucester-Hibernians | Gibraltar | Glasgow Rangers | Graphophone | General Electrics...
• H Houston Dynamo | Hakoah All-Stars | Houston Hurricane | Hibernian F.C. | Houston Stars | Hyde Park Blues | Hungarian | Homestead Steel | Holyoke Falcos | Hartford United...
• I Indiana Flooring | IRT Rangers | Independent | Innisfails FC | Interborough Rapid Transit FC | Irwin | Irish-American | Ivanhoe | Ironsides AFC...
• J Jersey A.C. | Jeanette FC | Joliet FC | Jersey City (ASL) | Jersey City Celtics...
• K Kansas City Spurs | Kearny Scots | Kodak Park | Kensington | Kearny FC | Kensington Congressional | Kearney Clarks ONT | Kerns | Knights of Pythias | Kearny Federal Ship...
• L LA Galaxy | Los Angeles Aztecs | Los Angeles FC | Lincoln | Los Angeles Wolves | Liverpool | Longfellow | Las Vegas Quicksilvers | Los Angeles Sol | Longfellow FC...
• M Montreal Impact | Minnesota Kicks | Miami Fusion | Minnesota United FC | Miami Toros | Montreal Manic | Memphis Rogues | Montreal Olympique | Manchester | Meriden...
• N New England Revolution | New York Red Bulls | New Bedford Whalers | New York Cosmos | New York Giants (1923-1930) | Newark Skeeters | New York Nationals | New York City FC | New England Tea Men | New York Field Club...
• O Orlando City SC | Oakland Clippers | Olympic | Oakland Stompers | Over Seas | Oversea Wanderers | Our Boys FC | Overseas | Oritani FC | Old Forge...
• P Portland Timbers | Pawtucket Rangers | Philadelphia Union | Providence Clamdiggers | Philadelphia Field Club | Philadelphia Fury | Philadelphia Atoms | Philadelphia Charge | Paterson Rangers | Pittsburgh Rovers...
• Q Quisetta | Queens Bohemians...
• R Real Salt Lake | Rochester Lancers | Rovers | Roscoe | Richmond County | Robert Emmet | Royal Oak | Rochester City Moose | Ryerson FC | Reading...
• S San Jose Earthquakes | Sporting Kansas City | Seattle Sounders | St. Louis Stars | San Diego Sockers | Sky Blue FC | San Diego Toros | San Diego Spirit | San Jose CyberRays | San Diego Jaws...
• T Toronto FC | Toronto Blizzard | Tampa Bay Rowdies | Tulsa Roughnecks | Tampa Bay Mutiny | Thistle | Tacony | Toronto Falcons | Trenton | True Blues...
• U Ulster | Ulster AC | US Bunting | University of Pennsylvania | Uniteds | Union Iron Works...
• V Vancouver Whitecaps | Vancouver Royals | Viscose FC | Victor | Vampire | Visitation | Veterans | Victor Athletics | Victoria Plush Mills | Veteran AA...
• W Washington Diplomats | Washington Freedom | West Hudson AA | Western New York Flash | Washington Darts | Washington Whips | White Rose | Wilberforce FC | Waverleys | Washington Spirit...
• Y Yonkers Hollywood Inn | Yonkers FC | Yonkers | Yonkers St. George | Yonkers Rovers | Yale University | YTAC...