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How many licensed fire sprinkler fitters are in Wisconsin?
Licensed-supply count from the Wisconsin register, by credential tier and per capita.
As of 2026-08-09, Wisconsin has 1,159 licensed fire sprinkler fitters
on its state register.
1,159
licensed fire sprinkler fitters
19.6
per 100k residents
#2
of 15 states
Wisconsin fire sprinkler fitters by credential tier
Apprentice169
Intermediate85
Journeyman800
Contractor105
How Wisconsin compares
State
Licensed fire sprinkler fitters
Per 100k
California
1,681
4.3
Wisconsin
1,159
19.6
Pennsylvania
852
6.6
Rhode Island
672
61.3
Wisconsin is part of 7,330 licensed fire sprinkler fitters nationally, and ranks #2 of 15 published states by per-capita density.
Questions
How many licensed fire sprinkler fitters are there in Wisconsin?
As of 2026-08-09, Wisconsin has 1,159 licensed fire sprinkler fitters on its state register.
How many fire sprinkler fitters per capita does Wisconsin have?
Wisconsin has 19.6 licensed fire sprinkler fitters per 100,000 residents (Census 2023 population).
Is this the same as employment estimates?
No. This is a count of active licenses on the state register, not a BLS survey estimate of employment. Licensed capacity and estimated employment are different numbers.
How often is this updated?
The register is re-pulled and re-judged nightly. Every figure carries its as-of date.
New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.