Science and engineering classification	Major occupational category	Minor occupational category	Detailed occupational category
Science occupations	Biological/ agricultural/ other life scientists	Agricultural/ food scientists	021    Agricultural and food scientists
		Biochemists/ biophysicists	022    Biochemists and biophysicists
		Biological scientists	023    Biological scientists
		Forestry/ conservation scientists	024    Forestry and conservation scientists
		Medical scientists	025    Medical scientists (excluding practitioners)
		Postsecondary teachers, agricultural/ other natural sciences	271    Postsecondary teachers, agriculture 297    Postsecondary teachers, other natural sciences
		Postsecondary teachers, biological sciences	273    Postsecondary teachers, biological sciences
		Other biological/ agricultural/ life scientists	027    Other biological/ agricultural/ life scientists
	Computer and information scientists	Computer/ information scientists	051    Computer/ information scientists, research 053    Computer support specialists 054    Computer systems analysts 055    Database administrators 056    Network and computer systems administrators 057    Network systems and data communications analysts 058    Other computer and information science occupations 088    Computer engineers, software
		Postsecondary teachers, computer science	276    Postsecondary teachers, computer science
	Mathematical scientists	Mathematical scientists	172    Mathematicians 173    Operations research analysts, including modeling 174    Statisticians 176    Other mathematical scientists
		Postsecondary teachers, math/ statistics	286    Postsecondary teachers, mathematics and statistics
	Physical scientists	Chemists, except biochemists	193    Chemists, except biochemists
		Earth/ atmospheric/ ocean scientists	192    Atmospheric and space scientists 194    Geologists, including earth scientists 195    Oceanographers
		Physicists/ astronomers	191    Astronomers 196    Physicists, except biophysicists
		Postsecondary teachers, chemistry	275    Postsecondary teachers, chemistry
		Postsecondary teachers, physics	289    Postsecondary teachers, physics
		Postsecondary teachers, other physical sciences	277    Postsecondary teachers, earth, environmental, and marine sciences
		Other physical scientists	198    Other physical scientists
	Psychologists	Mathematical scientists	236    Psychologists, including clinical
		Postsecondary teachers, psychology	291    Postsecondary teachers, psychology
	Social scientists	Economists	232    Economists
		Political scientists	235    Political scientists
		Postsecondary teachers, economics	278    Postsecondary teachers, economics
		Postsecondary teachers, political science	290    Postsecondary teachers, political science
		Postsecondary teachers, sociology	293    Postsecondary teachers, sociology
		Postsecondary teachers, other social sciences	298    Postsecondary teachers, other social sciences
		Sociologists/ anthropologists	231    Anthropologists 237    Sociologists
		Other social scientists	238    Other social scientists
Engineering occupations	Engineers	Aerospace/ aeronautical/ astronautical engineerss	082    Aeronautical, aerospace, and astronautical engineerss
		Chemical engineers	085    Chemical engineers
		Civil/ architectural/ sanitary engineers	086    Civil engineers, including architectural and sanitarys
		Electrical engineers	087    Computer engineers, hardware 089    Electrical and electronics engineers
		Industrial engineerss	091    Industrial engineers
		Mechanical engineers	094    Mechanical engineers
		Postsecondary teachers, engineering	280    Postsecondary teachers, engineering
		Other engineers	083    Agricultural engineers 084    Bioengineers or biomedical engineers 090    Environmental engineers 092    Marine engineers and naval architects 093    Materials and metallurgical engineers 095    Mining and geological engineers 096    Nuclear engineers 097    Petroleum engineers 098    Sales engineers 099    Other engineers
S&E-related occupation	S&E-related occupation	Health occupations, except postsecondary teachers	111    Diagnosing and treating practitioners 112    Registered nurses, pharmacists, dieticians, therapists, physician assistants, and nurse practitioners 113    Health technologists and technicians 114    Other health occupations
		Postsecondary teachers, health and related sciences	287    Postsecondary teachers, health and related sciences
		S&E managers	142    Computer and information systems managers 143    Engineering managers 144    Medical and health services managers 145    Natural sciences managers
		S&E precollege teachers	253    Teachers, secondary-computer, math, or sciences 254    Teachers, secondary-social sciences
		Teachers, secondary-social sciences	026    Technologists and technicians, biological and life sciences 052    Computer programmers, business, scientific, and process control 100    Electrical, electronic, industrial, and mechanical technicians 101    Drafting occupations, including computer drafting 102    Surveying and mapping technicians 103    Other engineers, technologists, and technicians 104    Surveyors, cartographers, and photogrammetrists 175    Technologists and technicians, mathematical sciences 197    Technologists and technicians, physical scientists
		Other S&E-related occupations	081    Architects 171    Actuaries
Non-S&E occupations	Non-S&E occupations	Arts/ humanities-related occupations	233    Historians 010    Writers, editors, public relations specialists, artists, entertainers, and broadcasters
		Management-related occupations	151    Accountants, auditors, and other financial specialists 152    Personnel, training, and labor relations specialists 153    Other management-related occupations
		Non-S&E managers	141    Top-level managers, executives, and administrators 146    Education administrators 147    Other mid-level managers
		Non-S&E postsecondary teachers	272    Postsecondary teachers, art, drama, and music 274    Postsecondary teachers, business, commerce and marketing 279    Postsecondary teachers, education 281    Postsecondary teachers, English 282    Postsecondary teachers, foreign language 283    Postsecondary teachers, history 288    Postsecondary teachers, physical education 299    Postsecondary teachers, other non-science and engineering
		Non-S&E precollege/ other teachers	251    Teachers, pre-kindergarten and kindergarten 252    Teachers, elementary school 255    Teachers, secondary-other subjects 256    Teachers, special education-primary and secondary 257    Teachers, other precollegiate area
		Sales/ marketing occupations	200    Insurance, securities, real estate, and business services 201    Sales occupations, commodities, except retail 202    Sales occupations, retail 203    Other marketing and sales occupations
		Social service-related occupations	040    Clergy and other religious workers 070    Counselors, educational, vocational, mental health, and substance abuse 240    Social workers
		Other non-S&E occupations	031    Accounting clerks, and bookkeepers 032    Secretaries, receptionists, and typists 033    Other administrative occupations 110    Farmers, foresters, and fishermen 120    Lawyers and judges 130    Librarians, archivists, and curators 221    Food preparation and service occupations 222    Protective services 223    Other service occupations, except health 300    Other teachers and instructors 401    Construction and extraction occupations 402    Installation, maintenance, and repair occupations 403    Precision/ production occupations 405    Transportation and material moving occupations 500    Other occupations