Registered fire sprinkler fitter apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Maryland's licence ladder. Updated nightly.
Maryland has 289 registered fire sprinkler fitter apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 13 counties, 0.5 per 10,000 residents. That is 2.4 apprentices for every 100 employed fire sprinkler fitters in the state, the rate at which the trade is training its own replacements.
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Registered fire sprinkler fitter apprentices by county of the apprentice, largest first. Each county links to its fire sprinkler fitters market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Howard County | 160 | 55% | 4.8 |
| Anne Arundel County | 39 | 13% | 0.7 |
| Prince George's County | 21 | 7% | 0.2 |
| Baltimore city | 19 | 7% | 0.3 |
| Baltimore County | 18 | 6% | 0.2 |
| Frederick County | 6 | 2% | 0.2 |
| Carroll County | 5 | 2% | 0.3 |
| Cecil County | 5 | 2% | 0.5 |
| Charles County | 5 | 2% | 0.3 |
| Montgomery County | 4 | 1% | 0.0 |
| Queen Anne's County | 3 | 1% | 0.6 |
| Calvert County | 2 | 1% | 0.2 |
| St. Mary's County | 2 | 1% | 0.2 |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
The Maryland register ATI reads carries no separate apprentice-tier credential for fire sprinkler fitters; its ladder for this trade starts at Journeyman (270 active records, read September 16, 2026). Registered apprentices in the county table above are counted from the federal apprenticeship system, not from the licence register.
Credential types the Maryland Office of the State Fire Marshal, Fire Sprinkler Contractor Licensing (licensing regulations of the State Fire Prevention Commission, COMAR Title 29 Subtitle 06) issues for this trade: Class I fire sprinkler contractor license, Class IIa fire sprinkler contractor license, Class IIb fire sprinkler contractor license, Class IIc fire sprinkler contractor license, Class IId fire sprinkler contractor license, Class IIIa fire sprinkler contractor license, Class IIIb fire sprinkler contractor license, Class IIIc fire sprinkler contractor license. See how to get a fire sprinkler fitter license in Maryland for hours, exams and renewal.
Sources: registered apprentices: DOL RAPIDS apprenticeship FY2025, active status, as of December 31, 2025; employment: BLS QCEW construction x OEWS occupation share (estimate); licence tiers: Maryland register read September 16, 2026; population: U.S. Census 2023 estimates.
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