The Transport Workers Union Local 514 consist of the following title groups.
NOTE: The “members total” is as of May 2011
| Title # | Job Title | Members Total |
| 1 | Inspector | 346 |
| 1 | Crew Chief Mechanic AMT | 337 |
| 1 | Mechanic AMT | 2855 |
| 1 | Overhaul Support Mechanic | 567 |
| 1 | Crew Chief Part Washer | 6 |
| 1 | Part Washer | 77 |
| 1 | Crew Chief Aircraft Cleaner | 12 |
| 1 | Aircraft Cleaner | 129 |
| 2 | Crew Chief Mechanic Plant Maint. | 27 |
| 2 | Mechanic Plant Maintenance | 308 |
| 2 | Plant Maintenance Man | 34 |
| 2 | Crew Chef Building Cleaner | 7 |
| 2 | Building Cleaner | 73 |
| 3 | Crew Chief Fleet Service Clerk | 28 |
| 3 | Fleet Service Clerk Full Time | 119 |
| 3 | Fleet Service Clerk Part Time | 72 |
| 4 | Crew Chief Ground Service Man | 3 |
| 4 | Ground Service Man | 2 |
| 5 | Crew Chief Stock Clerk | 45 |
| 5 | Stock Clerk | 404 |
| T | Tech Specialists TWU | 72 |
| TOTAL of ALL Members | 5523 |