This is the list of all the Apollo Towers that are known to exist. there are 3 serial numbers missing, 89002, 87002 and 75901 unknown if they were built or not. most likely they were not for some reason.
1994 89001 LP-52-DH Auburn, Indiana IN 1500/150/105' AT Seagrave
1994 89002
1994 89003 LP-52-DH Deal, New Jersey NJ 1500/150/105' AT Seagrave
1994 89004 JP-72-DH Cadillac, Michigan MI 2000/150/105' AT Seagrave
1994 89005 JP-52-DH Englewood Cliffs, New Jersey NJ 1500/275/105' AT Seagrave
1996 89006 JP-52-DA Ashland, Ohio OH 1500/150/105' AT Seagrave
1997 89007 JP-52-DA Huron, Ohio OH 1500/150/105' AT Seagrave
1999 89008 LP-72-DA Cornelius, North Carolina NC L4 2000/150/105' AT Seagrave
2000 89009 JP-72-DA Oakland, New Jersey NJ L1032 2000/300/105' AT Seagrave
2000 89010 JP-32-DA Eregli Iron & Steel Works, Turkey FO 1000/300/60/105' AT Seagrave
2000 89011 LP-52-DA Purchase, New York NY 1500/150/105' AT Seagrave
2001 89012 JP-72-DA Utica, New York NY 2000/300/105' AT Seagrave
1993 87001 LP-02-DH Fitchburg, Wisconsin WI 105' Aerial Tower Seagrave
1996 87003 LP-02-DH Clifton, New Jersey NJ 105' Aerial Tower Seagrave
1996 87004 LP-02-DH Flemington, New Jersey NJ 105' Aerial Tower Seagrave
1997 87005 JP-02-DA Evesham, New Jersey NJ 105' Aerial Tower Seagrave
1998 87006 JP-92-DA Pleasure Ridge Park, Kentucky KY 105' Aerial Tower Seagrave
1990 X75900 Denver, Colorado CO Tower 1 1500/200/105' AT Seagrave
1992 Z75902 JP-02-DH Prince Georges County, Maryland MD Tower 18 105' Aerial Tower Seagrave