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Classification Search

WCIRB Virtual Conference 2023

The Classification Search helps you locate classifications based on keywords that are part of, or commonly associated with, classification phraseologies. Enter a search term or classification code below to begin your search. Narrow your search by choosing an industry group or related classifications from the "Filter By" pulldown menu. Refer to the Insurance Commissioner's rules regarding the Standard Classification System in Part 3, Standard Classification System, of the California Workers' Compensation Uniform Statistical Reporting Plan—1995 (USRP).

Standard Classifications

Click on a phraseology or code in the table below to view detailed information such as phraseology, footnotes, rules and pure premium rates for that classification. To sort the complete list of classifications in alphabetical order, click on the "Phraseology" link at the top of the column. To sort the list of classifications in numerical order, click on the "Code" link at the top of the column.

Code Phraseology
3682 INSTRUMENT MFG. — non-electronic — scientific or medical — N.O.C.
3683 SPEAKER MFG.
3719

OIL OR GAS REFINERIES — erection or repair — all operations
3724(1)

MILLWRIGHT WORK — N.O.C. — erection or repair of machinery or equipment at customers' locations
3724(2)

ELECTRICAL MACHINERY OR AUXILIARY APPARATUS — installation, service or repair — including incidental wiring
3726

BOILER INSTALLATION, SERVICE OR REPAIR — steam or hot water
3805(1)

AIRCRAFT ENGINE MFG. OR REBUILDING
3805(2)

AUTOMOBILE OR TRUCK ENGINE MFG.
3808

AUTOMOBILE OR MOTORCYCLE MFG. OR ASSEMBLING
3815(1)

TRUCK, TRUCK TRAILER OR BUS MFG. OR ASSEMBLING
3815(2)

TRUCK BODY MFG. — truck, trailer or bus bodies
3821

AUTOMOBILE OR TRUCK DISMANTLING — including transport of vehicles owned by the employer, the salvaging or junking of parts and store operations
3828

AUTOMOBILE OR TRUCK PARTS REBUILDING — including incidental machining
3830(1)

AIRCRAFT OR SPACECRAFT MFG. — including foundry operations
3830(2)

UNMANNED AIRCRAFT SYSTEM MFG. — aircraft system and payload total combined weight of 55 pounds or heavier
3831 MACHINE SHOPS — aircraft components
3840

AUTOMOBILE, TRUCK OR MOTORCYCLE PARTS MFG. — N.O.C.
4000(1)

SAND OR GRAVEL DIGGING — including construction, repair or maintenance of all buildings, structures or equipment and installation of machinery
4000(2) CLAY DIGGING — including construction, repair and maintenance of all buildings, structures or equipment and the installation of machinery
4000(3) SALT PRODUCTION — by solar evaporation exclusively

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