Registered boiler operator apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits New Jersey's licence ladder. Updated nightly.
New Jersey has 105 registered boiler operator apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 18 counties, 0.1 per 10,000 residents. That is 81.4 apprentices for every 100 employed boiler operators in the state, the rate at which the trade is training its own replacements.
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Registered boiler operator apprentices by county of the apprentice, largest first. Each county links to its boiler operators market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Burlington County | 15 | 14% | 0.3 |
| Camden County | 15 | 14% | 0.3 |
| Gloucester County | 9 | 9% | 0.3 |
| Middlesex County | 9 | 9% | 0.1 |
| Essex County | 7 | 7% | 0.1 |
| Ocean County | 7 | 7% | 0.1 |
| Passaic County | 7 | 7% | 0.1 |
| Atlantic County | 5 | 5% | 0.2 |
| Union County | 5 | 5% | 0.1 |
| Monmouth County | 4 | 4% | 0.1 |
| Salem County | 4 | 4% | 0.6 |
| Sussex County | 4 | 4% | 0.3 |
| Cape May County | 3 | 3% | 0.3 |
| Cumberland County | 3 | 3% | 0.2 |
| Somerset County | 3 | 3% | 0.1 |
| 3 other counties | 5 | 5% |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
Credential types the New Jersey boiler and pressure vessel safety programme, commonly administered by the state Department of Labor or an equivalent boiler safety division issues for this trade: Stationary Engineer / Boiler Operator licence, graded by plant size, State boiler and pressure vessel certificate of operation (on the equipment). See how to get a boiler operator license in New Jersey 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); population: U.S. Census 2023 estimates.
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