Restriction enzymes: commercial source

All endonucleases bellow are isoschizomers
Recognition sequence (?): T'GTAC_A
Bsp1407I
 Fermentas AB
 Takara Shuzo Co. Ltd.
BsrGI
 New England Biolabs
BstAUI
 SibEnzyme Ltd.
 MRC-Holland
SspBI