Some new big guys - still available?

Found a list of some really big guys who (to the best of my knowledge) haven't committed anywhere. Can anyone confirm or deny the availability of these guys? (And then get the list to the SMU coaches?)
Langham Creek DT Cedric Milton (6-4, 310)
Houston Worthing DT Chester Swanson (6-3, 260, 4.7) - awfully quick for a DT, no?
Corpus Christi (Miller) DT Joe Lister (6-6, 290, 5.1)
Canutillo DT Carlos Meza (6-4, 290)
Wichita Falls (Hirschi) DT/OL Larry Goatley (6-3, 350)
DT Tim Burleson - one of the Arlington schools
FW Brewer OT Rhye Gordon (6-4, 280, 5.0)
Waller DT Chris Simon (6-5, 310, 5.3)
Non-QBs:
Dayton QB Lloyd Ligons (6-4, 195, 4.6)
Roosevelt athlete Deshawn Knighten?
Houston Davis TE Juan Cantu (6-5, 290, 5.4)
Beeville (Jones) DT Brandon Mack (6-3, 280, 4.9)
Atlanta DT Pat Bowen (6-4, 300)
Wimberly DT/OT Keegan McIlvain (6-6, 270, 5.2)
Cuero DE/TE Dakota Williams (6-7, 250, 4.9) - bulk to OT?
Sealy C Rob Emschoff (6-1, 285)
Sonora OL Tom Valliant (6-7, 250, 5.0)
Langham Creek DT Cedric Milton (6-4, 310)
Houston Worthing DT Chester Swanson (6-3, 260, 4.7) - awfully quick for a DT, no?
Corpus Christi (Miller) DT Joe Lister (6-6, 290, 5.1)
Canutillo DT Carlos Meza (6-4, 290)
Wichita Falls (Hirschi) DT/OL Larry Goatley (6-3, 350)
DT Tim Burleson - one of the Arlington schools
FW Brewer OT Rhye Gordon (6-4, 280, 5.0)
Waller DT Chris Simon (6-5, 310, 5.3)
Non-QBs:
Dayton QB Lloyd Ligons (6-4, 195, 4.6)
Roosevelt athlete Deshawn Knighten?
Houston Davis TE Juan Cantu (6-5, 290, 5.4)
Beeville (Jones) DT Brandon Mack (6-3, 280, 4.9)
Atlanta DT Pat Bowen (6-4, 300)
Wimberly DT/OT Keegan McIlvain (6-6, 270, 5.2)
Cuero DE/TE Dakota Williams (6-7, 250, 4.9) - bulk to OT?
Sealy C Rob Emschoff (6-1, 285)
Sonora OL Tom Valliant (6-7, 250, 5.0)