The board recognizes the following list of disciplines to assist in determining an applicant's competency. Those branches in which a National Council of Examiners for Engineering and Surveying (NCEES) examination is offered are followed by the acronym (NCEES).

1. (1) Aeronautical/aerospace;
2. (2) Agricultural (NCEES);
3. (3) Architectural (NCEES);
4. (4) Biomedical;
5. (5) Ceramic;
6. (6) Chemical (NCEES);
7. (7) Civil (NCEES);
8. (8) Control systems (NCEES);
9. (9) Electrical, electronic, computer, communications (NCEES);
10. (10) Engineering sciences/general;
11. (11) Environmental (NCEES);
12. (12) Fire protection (NCEES);
13. (13) Geological;
14. (14) Industrial (NCEES);
15. (15) Manufacturing;
16. (16) Mechanical (NCEES);
17. (17) Metallurgical (NCEES);
18. (18) Mining/mineral (NCEES);
19. (19) Naval architecture/marine engineering (NCEES);
20. (20) Nuclear (NCEES);
21. (21) Ocean;
22. (22) Petroleum (NCEES);
23. (23) Sanitary;
24. (24) Software;
25. (25) Structural (NCEES);
26. (26) Textile;
27. (27) Other.

Source Note:The provisions of this §133.13 adopted to be effective May 20, 2004, 29 TexReg 4873; amended to be effective February 24, 2005, 30 TexReg 846; amended to be effective December 10, 2006, 31 TexReg 9830.