Categories derived from the BLS's Standard Occupational Classification

Category One:

1000    Computer Scientists and Systems Analysts/Network systems Analysts/Web Developers
1010    Computer Programmers
1020    Software Developers, Applications and Systems Software
1060    Database Administrators
        

Category Two: (plus above)

1400    Computer Hardware Engineers
1410    Electrical and Electronics Engineers
2840    Technical Writers
4930    Sales Engineers
7900    Computer Control Programmers and Operators
        

Category Three: (plus above)

0820    Budget Analysts
0830    Credit Analysts
0840    Financial Analysts
1200    Actuaries
1220    Operations Research Analysts
1230    Statisticians
1240    Mathematical science occupations, nec
1800    Economists and market researchers
5920    Statistical Assistants