| 1 | T | NatsPk Ops | Ballpark Operations | Business |
| 2 | T | NatsPkNatsSt | Nationals Staff | Business |
| 3 | T | NatsPk Eng | Engineering | Business |
| 5 | T | NatsPk GstSrv5 | Guest Services | Business |
| 6 | T | NatsPk GstSrv6 | Guest Services | Business |
| 8 | T | NatsPk Tktg | Ticketing/Box Office | Business |
| 9 | T | NatsPk Prkg | Parking | Business |
| 10 | T | NatsPk H/K | Housekeeping | Business |
| 11 | T | NatsPk Sec | Security | Security |
| 13 | T | NatsPkScoreb | Scoreboard/Announcer | Business |
| 14 | T | NatsPk 6 | Ch. 6 (from Group 13) | Business |
| 16 | T | NatsPkWhlchr | Guest Services - Wheelchairs | Business |
| 17 | T | NatsPk Conc | Concessions | Business |
| 19 | T | NatsPk Wareh | Concessions - Warehouse | Business |
| 22 | T | NatsPk Fld Mnt | Field Maintenance | Business |
| 23 | T | NatsPk Conc Prem | Concessions - Premium | Business |
| 24 | T | NatsPk Conc IT | Concessions - IT/Cashroom (Ch. 8) | Business |
| 28 | T | NatsPk A/V | Audio/Visual | Business |
| 29 | T | NatsPk Merch | Merchandise | Business |
| 255 | T | NatsPkAllCal | All Call | Business |
