OBERLOH, DARREL D

Minnesota (Fulda) - Plumbing - Backflow Prevention Rebuilder
Issued

OBRIEN, MICHAEL F

Minnesota (Le Sueur) - Plumbing - Backflow Prevention Rebuilder
Expired

OBRIEN, JAMES D

Minnesota - Plumbing - Backflow Prevention Rebuilder
Expired

OBRIEN, GILBERT P

Minnesota - Plumbing - Backflow Prevention Rebuilder
Expired

OCONNELL, JASON J

Minnesota - Plumbing - Backflow Prevention Rebuilder
Issued

OCONNOR, MICHAEL J

Minnesota (Austin) - Plumbing - Backflow Prevention Rebuilder
Issued

OCONNOR, MICHAEL J

Minnesota (Austin) - Plumbing - Backflow Prevention Rebuilder
Issued

OELSCHLAGER, HARLEY A

Minnesota - Plumbing - Backflow Prevention Rebuilder
Expired

OEN, MICHAEL R

Minnesota - Plumbing - Backflow Prevention Rebuilder
Issued

OFTEDAHL, DAVID L

Minnesota (Rochester) - Plumbing - Backflow Prevention Rebuilder
Issued

OGILVIE, TREVOR J

Minnesota (Prescott) - Plumbing - Backflow Prevention Rebuilder
Issued

OHMAN, PETER C

Minnesota (Farmington) - Plumbing - Backflow Prevention Rebuilder
Expired

OHMANN, DANIEL M

Minnesota (Cottage Grove) - Plumbing - Backflow Prevention Rebuilder
Issued

OHMANN, MICHAEL J

Minnesota - Plumbing - Backflow Prevention Rebuilder
Issued

OHMANN, MARK R

Minnesota (Newport) - Plumbing - Backflow Prevention Rebuilder
Issued

OIEN, JOHN J

Minnesota - Plumbing - Backflow Prevention Rebuilder
Issued

OLAUGHLIN, COREY J

Minnesota (Minnesota City) - Plumbing - Backflow Prevention Rebuilder
Issued

OLAUGHLIN, KYLE A

Minnesota (Winona) - Plumbing - Backflow Prevention Rebuilder
Issued

OLAUGHLIN, KIM A

Minnesota (Minnesota City) - Plumbing - Backflow Prevention Rebuilder
Issued

OLAUGHLIN, KEVIN D

Minnesota (Rushford) - Plumbing - Backflow Prevention Rebuilder
Issued