Op Tech Environmental Services Inc: SC TO-T/A filed Jul 10, 2013

Name: Op Tech Environmental Services Inc SC TO-T/A (0001104659-13-053850)
Creator: Op Tech Environmental Services Inc
Published: 2013-07-10

Form type: SC TO-T/A
Filing date: Jul 10, 2013
Accession number: 0001104659-13-053850
Filer: Op Tech Environmental Services Inc (CIK 858748)