10. Armed forces
111. Legislators
121. Directors and chief executives
122. Operations research analysts
123. Other department managers
131. General managers
200. Professionals, not elsewhere classified
211. Physicists, chemists and related professionals
213. Computing professionals
214. Architects, engineers and related professionals
221. Life science professionals
222. Health professionals (except nursing)
231. College, university and higher education teaching professionals
232. Secondary education teaching professionals
235. Other teaching professionals
241. Business professionals
242. Legal professionals
243. Archivists, librarians and related information professionals
244. Social science and related professionals
245. Writers and creative or performing artists
246. Religious professionals
247. Other professionals, not elsewhere classified
311. Physical and engineering science technicians
312. Computer associate professionals
313. Optical and electronic equipment operators
314. Ship and aircraft controllers and technicians
321. Life science technicians and related associate professionals
322. Modern health associate professionals (exept nursing)
323. Nursing and midwifery associate professionals
331. Primary education teaching associate professionals
333. Special education teaching associate professionals
334. Other teaching associate professionals
341. Finance and sales associate professionals
342. Business services agents and trade brokers
343. Administrative associate professionals
344. Customs, tax and related government associate professionals
345. Police inspectors and detectives
346. Social work associate professionals
347. Artistic, entertainment and sports associate professionals
348. Religious associate professionals
410. Office clerks, not elsewhere classified
411. Secretaries and keyboard-operating clerks
412. Numerical clerks
413. Material-recording and transport clerks
414. Library, mail and related clerks
419. Other office clerks
421. Cashiers, tellers and related clerks
422. Client information clerks
511. Travel attendants and related workers
512. Housekeeping and restaurant services workers
513. Personal care and related workers
514. Other personal services workers
516. Protective services workers
522. Shop salespersons and demonstrators
611. Market gardeners and crop growers
612. Market-oriented animal producers and related workers
613. Market-oriented crop and animal producers
614. Forestry and related workers
615. Fishery workers, hunters and trappers
700. Craft and related trades workers, not elsewhere classified
710. Extraction and building trades workers, not elsewhere classified
711. Miners, shotfirers, stone cutters and carvers
712. Building frame and related trades workers
713. Building finishers and related trades workers
714. Painters, building structure cleaners and related trades workers
720. Metal, machinery and related trades workers, not elsewhere classified
721. Metal molders, welders, sheet-metal workers, structural- metal preparers, and related trades workers
722. Blacksmiths, tool-makers and related trades workers
723. Machinery mechanics and fitters
724. Electrical and electronic equipment mechanics and fitters
730. Precision, handicraft, printing and related trades workers, not elsewhere classified
731. Precision workers in metal and related materials
732. Potters, glass-makers and related trades workers
733. Handicraft workers in wood, textile, leather and related materials
734. Printing and related trades workers
740. Other craft and related trades workers, not elsewhere classified
741. Food processing and related trades workers
742. Wood treaters, cabinet-makers and related trades workers
743. Textile, garment and related trades workers
744. Pelt, leather and shoemaking trades workers
800. Plant and machine operators and assemblers, not elsewhere classified
811. Mining- and mineral-processing-plant operators
812. Metal-processing-plant operators
813. Glass, ceramics and related plant operators
814. Wood-processing- and papermaking-plant operators
815. Chemical-processing-plant operators
816. Power-production and related plant operators
820. Machine operators and assemblers, not elsewhere classified
821. Metal- and mineral-products machine operators
822. Chemical-products machine operators
824. Wood-products machine operators
825. Printing-, binding- and paper-products machine operators
826. Textile-, fur- and leather-products machine operators
827. Food and related products machine operators
828. Assemblers
831. Locomotive-engine drivers and related workers
832. Motor-vehicle drivers
833. Agricultural and other mobile-plant operators
834. Ships' deck crews and related workers
910. Sales and services elementary occupations, not elsewhere classified
913. Domestic and related helpers, cleaners and launderers
915. Messengers, porters, doorkeepers and related workers
916. Garbage collectors and related laborers
931. Mining and construction laborers
932. Manufacturing laborers
933. Transport laboreres and freight handlers
999. NIU (not in universe)