Occupational Classification System Manual
Major Occupational Groups:
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K About the Occupational Classification System Manual
Code Census Job Title Industries Affected
D336 I.B.M. coder All Industries
E525 I.B.M. installer All Industries
D309 I.B.M. machine operator All Industries
D308 I.B.M. operator, computer or console
operator All Industries
D345 I.B.M. operator, copying, duplicating,
etc. All Industries
D385 I.B.M. operator, data entry or keying All Industries
D344 I.B.M. operator, proofing or adding
machine All Industries
D309 I.B.M. operator, any other specified
or n. s. All Industries
A229 I.B.M. programmer All Industries
D344 I.B.M. proof-machine operator All Industries
D385 I.B.M. puncher All Industries
D309 I.B.M. tabulator All Industries
D385 I.B.M. verifier All Industries
F769 Ice crusher 207,209
F769 Ice cutter All Industries
F769 Ice grinder 207,209
K453 Ice maker, skating rink All Industries
F777 Ice puller 207,209
K459 Ice scraper 791,794,799
A188 Ice sculptor All Industries
A199 Ice skater 791,794,799
K438 Ice-cream dipper All Industries
E688 Ice-cream maker 202
E688 Ice-cream man 202
F756 Ice-cream mixer 202
K438 Ice-cream scooper All Industries
K438 Ice-cream server All Industries
H883 Ice-cream vaultman 202
C277 Ice-cream vendor 5963
E688 Ice-cream-machine operator All Industries
F777 Ice-plant operator PR 207,209
K459 Ice-rink attendant 791,794,799
H877 Icebox man 202,514,545
F777 Icemaker 207,209
H889 Iceman 207,209
G806 Iceman 5192-9,593,5948,5993-5,5999
K443 Iceman 701
F759 Icer machine operator All Industries
F789 Icer, hand 205,206
H888 Icer, n. s. 203,207,209,514
H889 Icer, n. s. 374,40,41(exc.412),47
A078 Ichthyologist All Industries
F754 Icicle machine operator All Industries
F763 Icing machine operator 206
F756 Icing mixer 202
C256 Idea man 731
D328 Identification clerk All Industries
K418 Identification officer 92
D389 Identification technician 92
H889 Igniter capper 348
E505 Ignition expert 371,527,55,752-754
E505 Ignition man 371,527,55,752-754
A188 Illustrator 899
B036 Immigration officer 92
A083 Immunochemist All Industries
A084 Immunologist All Industries
A194 Impersonator 781-783,792
C243 Importer 50,51
F736 Imposer 27
F777 Impregnating machine operator All Industries
F759 Impregnating-tank operator 36
F723 Impregnation operator 36
F777 Impregnator 227
F759 Impregnator 36
F777 Impregnator 387
A187 Impresario 781-783,792
D323 In-file operator 732,733,735,7383-7389
B015 In-service coordinator 805-809
B015 In-service educator 806
E694 Incinerator attendant 495
E694 Incinerator man 495
E694 Incinerator operator 495
F777 Incising machine operator All Industries
F796 Inclinometer tester All Industries
B025 Income tax preparer 737
B025 Income-tax adjuster 93
B025 Income-tax advisor 737
B025 Income-tax consultant 737
B025 Income-tax expert 737
B036 Income-tax investigator 93
D364 Incoming-freight clerk 44
I479 Incubator man 02,071,072,075,076
I479 Incubator operator 02,071,072,075,076
I479 Incubator tender 02,071,072,075,076
I479 Incubator-machine operator 02,071,072,075,076
E613 Independent producer OWN 13
A195 Index editor All Industries
D335 Indexer All Industries
F739 Indian blanket weaver 221-224,228
C243 Indian trader 539
F724 Induction machine setter All Industries
F766 Induction-furnace operator 33-37(exc.348),40,763,764,7692,7699
F724 Induction-heat treater 33-37(exc.348),40,763,764,7692,7699
B023 Industrial accountant All Industries
B026 Industrial analyst All Industries
A073 Industrial chemist All Industries
A185 Industrial designer 737
A166 Industrial economist All Industries
A214 Industrial engineering technician All Industries
E585 Industrial gas-fitter 491-493,496
A208 Industrial hygienist All Industries
A095 Industrial nurse All Industries
A096 Industrial pharmacist All Industries
A167 Industrial psychologist All Industries
A099 Industrial therapist All Industries
A216 Industrial x-ray operator All Industries
E677 Industrial-diamond grinder 3827,384-386
E539 Industrial-gas servicer 491
A056 Industrial-methods consultant 871
D368 Industrial-order clerk All Industries
A095 Industrial-registered nurse All Industries
B027 Industrial-relations analyst All Industries
B027 Industrial-relations counselor All Industries
B008 Industrial-relations director All Industries
B027 Industrial-relations man All Industries
A095 Industrial-staff nurse All Industries
G856 Industrial-tractor driver All Industries
G856 Industrial-truck driver All Industries
G856 Industrial-truck operator All Industries
A177 Infirmarian 866
K447 Infirmary attendant All Industries
D323 Information clerk, automobile club All Industries
D323 Information clerk, brokerage 60,61
D319 Information clerk, n. s. All Industries
C276 Information clerk-cashier 791,794,799
A197 Information director All Industries
D319 Information girl All Industries
D348 Information operator 481
A064 Information scientist All Industries
A197 Information specialist All Industries
A064 Information systems consultant All Industries
A064 Information systems specialist All Industries
F766 Ingot header 33-37(exc.348),40,763,764,7692,7699
F777 Ingot passer 33-37(exc.348),40,763,764,7692,7699
G849 Ingot stripper 33-37(exc.348),40,763,764,7692,7699
G824 Ingot-buggy operator 33-37(exc.348),40,763,764,7692,7699
G824 Ingot-car operator 33-37(exc.348),40,763,764,7692,7699
F798 Ingredient scaler 205
A098 Inhalation therapist All Industries
K446 Inhalation-therapy aide 806
F719 Injection molder All Industries
H878 Injection molding machine off-bearer 39(exc.394)
F719 Injection molding machine operator All Industries
F719 Injection-machine operator All Industries
F756 Ink blender All Industries
F768 Ink grinder All Industries
F756 Ink maker All Industries
F756 Ink mixer All Industries
A194 Inker and opaquer All Industries
A217 Inker, charts, graphs, printed circuits,
etc. All Industries
A217 Inker, technical illustrations, maps,
etc. All Industries
F777 Inker, n. s. 22
F745 Inker, n. s. 313,314
A217 Inker, n. s. Cartoon studio 781-783,792
F796 Inker, n. s. GPO 272-279
F796 Inkman 272-279
E657 Inlayer 25,374,40,41(exc.412),47
F789 Inlayer 27
F726 Inletter All Industries
F745 Innersole fitter 313,314
F745 Innersole maker 313,314
B017 Innkeeper 58,701
I479 Inoculator Chicken hatchery 02
A073 Inorganic chemist All Industries
D309 Input-output clerk All Industries
F745 Inseam trimmer 313,314
F745 Inseamer 313,314
A223 Insect-control aide All Industries
F777 Insecticide expert 734
F756 Insecticide maker 281,282,284,286-289
F756 Insecticide mixer 281,282,284,286-289
A223 Insemination technician 02,071,072,075,076
A223 Inseminator 02,071,072,075,076
E676 Insert cutter Floor covering 39(exc.394)
D389 Inserter All Industries
F777 Inserting-machine operator 20-39
D346 Inserting-machine operator Exc. 20-39
E567 Inside finisher 374,40,41(exc.412),47
E539 Inside meter tester All Industries
G856 Inside trucker All Industries
E529 Inside wirer 481,482,489
F745 Insole beveler 313,314
F745 Insole cementer 313,314
F745 Insole doubler 313,314
F745 Insole presser 313,314
F745 Insole reinforcer 313,314
F745 Insole rounder 313,314
F745 Insole stiffener 313,314
F745 Insole tacker 313,314
F745 Insole-lip turner 313,314
E518 Inspecting-machine adjuster All Industries
Inspector — see separate Inspector Page
E558 Installation superintendent, pin-setting
machine 15-17
B022 Installation superintendent, n. s. 481
E507 Installer, boat engines All Industries
E567 Installer, bowling alley floors All Industries
E547 Installer, bowling pin setters All Industries
E534 Installer, bulk coolers All Industries
E517 Installer, electric milkers All Industries
E684 Installer, laboratory-equipment All Industries
E517 Installer, milking-system All Industries
E567 Installer, molding & trim 245,344
F785 Installer, muffler 371
E505 Installer, muffler Exc. 371
E526 Installer, room cooler All Industries
E547 Installer, security systems 371,527,55,752-754
E575 Installer, security systems Exc. 371,527,55,752-754
E585 Installer, water hydrants All Industries
E529 Installer, n. s. 481,482,489
E577 Installer, n. s. 491
E543 Installer, n. s. Elevator 353
E529 Installer, n. s. Western Electric Co. 365,366
D378 Installment agent All Industries
C243 Installment dealer All Industries
F763 Instanizer operator 202
A164 Institution librarian All Industries
K447 Institutional aide 805-809
E529 Instrument adjuster 481,482,489
F796 Instrument checker All Industries
E585 Instrument fitter 15-17
E529 Instrument installer 481,482,489
E678 Instrument maker, dental, medical or
surgical 3827,384,385
E637 Instrument maker, electrical All Industries
E675 Instrument maker, musical 39(exc.394)
E637 Instrument maker, n. s. All Industries
A218 Instrument man 08,13,15-17,40,43,49,871,91-97
E547 Instrument man 20-39(exc.241),45
E529 Instrument setter 481
E547 Instrument specialist 45
F777 Instrument sterilizer 805-809
E535 Instrument technician 491-493,496
E547 Instrument technician Exc. 491-493,496
E547 Instrument tester 372,45
A186 Instrumentalist 781-783,792
A213 Instrumentation technician All Industries
E593 Insulation applicator 15-17
E593 Insulation blower 15-17
F769 Insulation cutter 361,362,364,367,369
E593 Insulation engineman 15-17
E593 Insulation hoseman 15-17
E593 Insulation installer 15-17,363
E593 Insulation man 15-17
E593 Insulation nozzleman 15-17
E593 Insulation sprayer 15-17,374,503,506,507,521,523
E593 Insulation worker, interior surface 15-17
F785 Insulation-blanket maker 15-17
E593 Insulation-power-unit tender 15-17
E593 Insulator 15-17,291,363,373
F777 Insulator 333-339,361,362,364,367,369
F785 Insulator 371
C243 Insurance OWN 63,64
A066 Insurance actuary 63,64
D375 Insurance adjuster 63,64
C253 Insurance adviser 63,64
C253 Insurance agent 63,64
B025 Insurance analyst All Industries
C285 Insurance appraiser 593,5948,5993-5,5999,732,733,735,7383-9
C285 Insurance appraiser 63,64(except FHA)
C254 Insurance appraiser FHA 63,64
A178 Insurance attorney 63,64
C253 Insurance broker 63,64
D336 Insurance checker 63,64
D336 Insurance clerk 60,61
D377 Insurance clerk 80
D328 Insurance clerk Any not listed above
C253 Insurance collector 63,64
B036 Insurance commissioner 96
C253 Insurance consultant 63,64
A178 Insurance counselor 63,64
D375 Insurance examiner 63,64
B036 Insurance investigator 43,91-97
D375 Insurance investigator Exc. 43,91-97
C253 Insurance man 63,64
D343 Insurance rater 63,64
C253 Insurance representative 63,64
C253 Insurance solicitor 63,64
B024 Insurance underwriter, exc. sales 63,64
C253 Insurance underwriter, sales 63,64
C253 Insurance writer 63,64
F796 Intake man 202
D344 Integrator 492,496
D344 Integrator clerk 492,496
D344 Integrator operator 492,496
D336 Intelligence clerk 97
K426 Intelligence man 52-59
A169 Intelligence specialist All Industries
A095 Intensive-care-unit nurse All Industries
D348 Intercept operator 481
D348 Interceptor 481
D348 Interceptor operator 732,733,735,7383-7389
D318 Interchange agent 40
A185 Interior decorator, decorating or
designing 52-59,732,733,735,7383-7389
E579 Interior decorator, painting 15-17
E583 Interior decorator, paperhanging 15-17
E579 Interior decorator, n. s. 15-17
A185 Interior designer All Industries
E579 Interior painter 15-17
E567 Interior paneler 245,344
E575 Interior wireman 15-17
E529 Interior-block wireman 481
D344 Interline clerk 40,41,421,423
G826 Interlocker 40
E516 Interlocker maintainer 40
F744 Interlocking-machine operator 22
F738 Intermediate-frame tender 22
A084 Intern, n. s. (education master's degree
or higher) 801,803,806
B023 Internal auditor All Industries
F787 Internal carver All Industries
F709 Internal grinder 33-37(exc.348),40,763,764,7692,7699
B036 Internal-revenue agent 93
B021 International organizer 861,862,864,865,869
B021 International representative 861,862,864,865,869
A084 Interne 806
A084 Internist 801,803,806
A194 Interpreter, deaf All Industries
A194 Interpreter, n. s. 97
G808 Interstate-bus driver 41(exc.412)
F736 Intertype operator 27
B027 Interviewer, interviewing job applicants All Industries
A174 Interviewer, interviewing welfare
recipients All Industries
D316 Interviewer, taking polls or surveys All Industries
B027 Interviewer, n. s. Employment agency,office or service
D316 Interviewer, n. s. Any not listed above
A235 Inventor 899
D365 Inventory checker All Industries
D365 Inventory clerk All Industries
D365 Inventory man All Industries
D365 Inventory-control clerk All Industries
D365 Inventory-control, exc. scheduling or
production All Industries
D363 Inventory-control, scheduling or
production All Industries
A075 Invertebrate paleontologist All Industries
F777 Inverted-block operator All Industries
K418 Investigation officer 92
C285 Investigative shopper 52-59
K418 Investigator, F.B.I. 92
K426 Investigator, alarm 7381,7382
K426 Investigator, cash-shortage All Industries
D376 Investigator, credit All Industries
K418 Investigator, criminal All Industries
K426 Investigator, detective 7381,7382
K418 Investigator, detective Exc. 7381,7382
K426 Investigator, fraud 52-59
B036 Investigator, immigration 92
D375 Investigator, insurance 63,64
K418 Investigator, narcotics 92
K426 Investigator, private 7381,7382
B036 Investigator, revenue 93
K426 Investigator, shopping 7381,7382
D376 Investigator, utility-bill complaints 49
B036 Investigator, wages and hours FGOV
A174 Investigator, welfare All Industries
B036 Investigator, n. s. 43
K426 Investigator, n. s. 49
D375 Investigator, n. s. 63,64
B036 Investigator, n. s. Alcohol & Tobacco Tax Unit 93
K426 Investigator, n. s. Burglar and fire alarm service 7381,7382
D376 Investigator, n. s. Credit bureau 732,733,735,7383-7389
K426 Investigator, n. s. Detective agency 7381,7382
B036 Investigator, n. s. IRS 93
B036 Investigator, n. s. Immigration & Naturalization 92
D375 Investigator, n. s. Insurance co. 63,64
A174 Investigator, n. s. Juvenile or domestic court 92
K418 Investigator, n. s. Secret Service 92
A174 Investigator, n. s. Welfare agency,office,dept.,or service
C255 Investment adviser 62,67
B025 Investment analyst All Industries
C243 Investment banker 62,67
B025 Investment counselor 60(exc.603,606)
C255 Investment counselor 62,67
B025 Investor OWN 62,67
D339 Invoice checker All Industries
D339 Invoice clerk All Industries
D336 Invoice coder All Industries
D339 Invoice-control clerk All Industries
D348 Inward-toll operator 481
F757 Ion exchange operator 208
F757 Irish moss operator All Industries
H498 Irish-moss bleacher 09
H498 Irish-moss gatherer 09
F799 Iron assorter 331,332,pt333,334,pt335,pt336,339,
34(exc.348)
F717 Iron bender 33-37(exc.348),40,763,764,7692,7699
H883 Iron carrier 33-37(exc.348),40,763,764,7692,7699
F766 Iron caster 33-37(exc.348),40,763,764,7692,7699
F783 Iron cutter 505,5093
E597 Iron erector 15-17
F766 Iron founder 33-37(exc.348),40,763,764,7692,7699
H883 Iron handler 331,332,pt333,334,pt335,pt336,339,
34(exc.348)
F757 Iron launder operator All Industries
F766 Iron melter 33-37(exc.348),40,763,764,7692,7699
E615 Iron miner, blasting 10
E616 Iron miner, n. s. 10
H883 Iron piler 331,332,pt333,334,pt335,pt336,339,
34(exc.348)
F766 Iron pourer 33-37(exc.348),40,763,764,7692,7699
E597 Iron setter 15-17
F747 Ironer 231-238,721
L403 Ironer, exc. hand 88
F747 Ironer, exc. hand Exc. 88
L403 Ironer, hand 88
F795 Ironer, hand Exc. 88
F719 Ironmolder 33-37(exc.348),40,763,764,7692,7699
F706 Ironworker machine operator All Industries
E597 Ironworker, construction All Industries
E597 Ironworker, structural steel All Industries
E597 Ironworker, n. s. 15-17,344,373
F706 Ironworker, n. s. Mfg. exc. 344,373
G859 Irradiated-fuel handler 28
I479 Irrigation laborer 01,071,072,075,076
E517 Irrigation-equipment installer All Industries
I479 Irrigation-equipment remover 01,071,072,075,076
I479 Irrigation-flume layer 01,071,072,075,076
E517 Irrigation-pump installer All Industries
E599 Irrigation-system installer 15-17
I479 Irrigation-system operator 01,071,072,075,076
E699 Irrigation-system operator 494,497
I479 Irrigator, gravity flow 01,071,072,075,076
I477 Irrigator, head 01,071,072,075,076
I479 Irrigator, overhead 01,071,072,075,076
I479 Irrigator, sprinkling system 01,071,072,075,076
I479 Irrigator, valve pipe 01,071,072,075,076
I479 Irrigator, n. s. 01,071,072,075,076
A206 Isotope technician 806-809
F777 Ivory carver 39(exc.394)
F709 Ivory polisher 39(exc.394)
Last modified: October 16, 2001
