- Allentown (1938/39-39/40, as Bethlehem Hungarian in 1938/39; folded during 1939/40 season)
- Baltimore Americans (1934/35-48/49, as Baltimore Canton in 1934/35-35/36; as Baltimore S.C. in 1936/37-41/42)
- Baltimore Americans (1938/39-41/42, as Baltimore German in 1938/39)
- Baltimore S.C. (1943/44-47/48)
- Baltimore Pompei (1953/54-60/61, as Baltimore Rockets in 1953/54-56/57)
- Baltimore Flyers (1966/67-67/68; as Baltimore St. Gerards in 1966/67)
- Baltimore Bays (1972–73, as Baltimore Stars in 1972)
- Boca Juniors (1961/62-63/64, as Inter-Brooklyn Italians in 1961/62; as Inter S.C. in 1962/63)
- Boston Tigers (1963/64, 1965/66-67/68, as Boston Metros in 1963/64)
- Brooklyn F.C. (1933/34, withdrew after 12 games)
- Brooklyn Hispano (1933/34-55/56, as Brooklyn Giants in 1942/43)
- Brooklyn St. Mary's Celtic (1933/34-41/42, as Brooklyn Celtic in 1933/34-34/35; replaced Brooklyn F.C. during 1933/34 season)
- Brooklyn Wanderers (1942/43-48/49, withdrew after 1 game in 1948/49)
- Brooklyn Hakoah (1948/49-55/56, replaced Brooklyn Wanderers in 1948/49 season; merged with New York Americans to become New York Hakoah after 1955/56 season)
- Brooklyn Italians (1956/57-60/61, merged with Inter S.C. to become Inter-Brooklyn Italians after 1960/61 season)
- California Sunshine (1977–80) – based in Orange, California and Oxnard, California.
- Carolina Lightnin' (1981–83)
- Chicago Americans (1972, only played a few games)
- Chicago Cats (1975–76)
- Cincinnati Comets (1972–75)
- Cleveland Cobras (1974–1981)
- Colombo (1959/60)
- Columbus Magic (1979–80)
- Connecticut Yankees (1972–78, as Nor'East United in 1972, as Connecticut Wildcats in 1973–74)
- Dallas Americans (1983)
- Delaware Wings (1972–74)
- Detroit Mustangs (1972–73, as Detroit S.C. earlier in 1972)
- Detroit Express (1981–83)
- Fall River S.C. (1957/58-62/63)
- Galicia-Honduras (1933/34-61/62, as New York Brookhattan in 1933/34-37/38; as Brookhattan in 1938/39-56/57; as Brookhattan-Galicia in 1957/58-58/59; as Galicia S.C. in 1958/59-60/61, merged with non-league Honduras after 1960/61 season)
- Georgia Generals (1982, as Cleveland Stars in 1972–73; as Cleveland Cobras in 1974–81)
- Golden Gate Gales (1980) – based in San Francisco.
- Hartford S.C (1964/65-68, as Hartford Kings in 1966/67 & 1968)
- Indiana Tigers (1973–74, as Gary Tigers in 1973)
- Indianapolis Daredevils (1974–79, as Rhode Island Oceaneers in 1974–76; as New England Oceaneers in 1977)
- Inter S.C. (1960/61, merged with Brooklyn Italians to become Inter-Brooklyn Italians after 1960/61 season)
- Jacksonville Tea Men (1983)
- Kearny Celtic (1933/34-50/51, as Kearny Irish in 1933/34-41/42)
- Kearny Scots (1933/34-52/53, technically as Kearny Americans in 1941/42-52/53)
- Las Vegas Seagulls (1979)
- Los Angeles Skyhawks (1976–79)
- Ludlow Lusitano (1955/56-57/58, as Ludlow S.C. in 1956/57)
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- Miami Americans (1976–80, as New Jersey Americans in 1976–79)
- Nashville Diamonds (1982)
- Newark Portuguese (1951/52-62/63, 1964/65-67/68)
- Newark Falcons (1954/55-66/67, as Elizabeth Falcons in 1954/55-58/59; as Falcons S.C. in 1959/60-61/62; as Falcons-Warsaw in 1962/63-63/64)
- Newark Sitch (1962/63-63/64, 1965/66-70, as Newark Ukrainian Sitch in 1962/63-68)
- New Brunswick Hungarian (1963/64-67/68, as New Brunswick Hungarian Americans in 1963/64-66/67)
- New England Sharks (1981)
- New Jersey Brewers (1972–75, as New Jersey Shaefer Brewers in 1972)
- New York Americans (1933/34-55/56, merged with Brooklyn Hakoah to become New York Hakoah after 1955/56 season)
- New York Hakoah-Americans (1956/57-63/64, as New York Hakoah in 1956/57-61/62)
- New York Inter (1965/66-69, as Inter S.C. in 1965/66)
- New York United (1971–81, as New York Greeks in 1971–72; as New York Apollo in 1973–79)
- New York Eagles (1978–79, 1981)
- Oakland Buccaneers (later known at Golden Bay Buccaneers (1976–77)
- Oklahoma City Slickers (1982–83)
- Olimpia (1965/66-66/67)
- Paterson F.C. (1936/37-40/41, as Newark Germans in 1933/34-36/37; moved to Paterson during 1936/37 season; as Paterson Caledonian 1936/37-37/38, absorbed amateur Trenton Highlanders after 1937/38 season and moved to Trenton; as Trenton Highanders in 1938/39)
- Pennsylvania Stoners (1979–83)
- Philadelphia Nationals (1936/37-53/54, as Passon Phillies in 1936/37-37/38; as Philadelphia in 1938/39; as Philadelphia Passon in 1939/40-40/41)
- Philadelphia Ukrainians (1957/58)
- Philadelphia Ukrainians (1957/58-63/64, 1965/66-70, as Ukrainian Nationals in 1957/58-63/64 & 1965/66-67/68; replaced Philadelphia Ukrainians during 1957/58 season)
- Philadelphia Spartans (1969–72)
- Pittsburgh Cannons (1972)
- Pittsburgh Miners (1975)
- Ponta Delgada S.C. (1951–53)
- Rochester Lancers (1967/68-69)
- Rochester Flash (1981–82)
- Roma S.C. (1964/65-67/68)
- Sacramento Gold (1976–80, as Sacramento Spirits in 1976–77)
- St. Louis Mules (1972, as St. Louis Frogs later in 1972)
- Santa Barbara Condors (1977)
- Southern California Lazers (1978) – based in Torrance, California.
- Syracuse Suns (1969–71, 1973–74, as Syracuse Scorpions in 1969–70; folded after 5 games during 1974 season)
- Tacoma Tides (1976)
- Trenton Athletics (1948/49-50/51)
- Trenton Americans (1953/54-54/55)
- Uhrik Truckers (1933/34-64/65, as Philadelphia German-Americans in 1933/34-40/41; as Philadelphia Americans in 1941/42-53/54; became Uhrik Truckers during 1953/54 season)
- Utah Golden Spikers (1976, as Utah Pioneers earlier in 1976 season)
- Washington Darts (1967/68-69, as Washington Britannia in 1967/68)
- Washington Cavaliers (1971–72, as Virginia Capitol Cavaliers in 1971)
- Worcester Astros (1967/68-75, as Fall River Astros from 1967/68-68; as Boston Astros in 1968–75; moved to Worcester at end of 1975 season)
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