LICENSE SUBCATEGORY
BACKFLOW PREVENTION REBUILDER
10
BACKFLOW PREVENTION TESTER
7
JOURNEYMAN PLUMBER
MASTER PLUMBER
5
REG UNL PLUMBER
4
RESTRICTED JOURNEYMAN PLUMBER
3
RESTRICTED MASTER PLUMBER
PIPELAYING BOND
2
PLUMBING CONTRACTOR
1
RESTRICTED PLUMBING CONTRACTOR
REGISTERED EMPLOYER PLUMBING
FIRST LETTER
UMPHREY, DOUGLAS V
Minnesota (Twin Valley) - Plumbing - Restricted Master Plumber Issued