LICENSE SUBCATEGORY
BACKFLOW PREVENTION REBUILDER
36
BACKFLOW PREVENTION TESTER
18
JOURNEYMAN PLUMBER
9
MASTER PLUMBER
4
MEDICAL GAS CERTIFICATION
3
REG UNL PLUMBER
2
PIPELAYING BOND
1
PLUMBING CONTRACTOR
LOCALITIES
Cedar
24
Circle Pines
Cottage Grove
Faribault
8
Forest Lake
7
Red Wing
Anoka
6
Andover
Hutchinson
Minneapolis
5
Duluth
Rochester
Byron
Zumbro Falls
Grand Forks
CHRISTIANSEN, DUANE B
Minnesota (Superior) - Plumbing - Medical Gas Certification Issued