4536

Class code 4536: Acid Mfg.

Class 4536 is the NCCI workers' comp code for “Acid Mfg.”.

The facts

Official wording (NCCI)
Acid Mfg.
Industry group (our dictionary)
Manufacturing—Plastics & Chemicals
Hazard group
Not listed in our dictionary
State codes that differ
None in our dictionary
Line
Workers' comp

What it means

Class 4536 is the code carriers use to rate workers' comp payroll for this kind of work.

Live appetite

Who writes class 4536, 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

No state yet

By email or underwriter only 0

None

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 4536 cover?

Class 4536 is the NCCI workers' comp code for “Acid Mfg.”. Carriers use it to rate the payroll of people doing this kind of work.

Who writes class code 4536 workers' comp?

No carrier in our live appetite data lists class 4536 yet (updated November 1, 2026). You can still send it; our team shops it by hand.

Does every state use class code 4536?

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.