Class code 3339: Foundries Investment Casting All Operations Including Pattern and Mould Manufacturing
Class 3339 is the NCCI workers' comp code for “Foundries Investment Casting All Operations Including Pattern and Mould Manufacturing”.
The facts
- Official wording (NCCI)
- Foundries Investment Casting All Operations Including Pattern and Mould Manufacturing
- Industry group (our dictionary)
- Manufacturing—Metal & Machine
- Hazard group
- Not listed in our dictionary
- State codes that differ
- None in our dictionary
- Line
- Workers' comp
What it means
Class 3339 is the code carriers use to rate workers' comp payroll for this kind of work.
Who writes class 3339, state by state
From our live eligibility engine, refreshed every day (page updated November 1, 2026). It shows who has appetite, not a price. The final decision is always the carrier's underwriter.
Instant quote available 0
By email or underwriter only 0
No market listed yet 47
State fund only 4
North Dakota (North Dakota Workforce Safety & Insurance) · Ohio (Ohio Bureau of Workers' Compensation) · Washington (Washington Department of Labor & Industries) · Wyoming (Wyoming Department of Workforce Services)
What does class code 3339 cover?
Class 3339 is the NCCI workers' comp code for “Foundries Investment Casting All Operations Including Pattern and Mould Manufacturing”. Carriers use it to rate the payroll of people doing this kind of work.
Who writes class code 3339 workers' comp?
No carrier in our live appetite data lists class 3339 yet (updated November 1, 2026). You can still send it; our team shops it by hand.
Does every state use class code 3339?
Our dictionary lists no different code for California, Delaware, Michigan, New Jersey, New York, Pennsylvania or Texas. North Dakota, Ohio, Washington and Wyoming write workers' comp through the state fund.