| 000-01 | 0 | 000 | A | 9A Eagle SS | Ch 9A - Eagle Lodge Sports School | Schools |
| 000-02 | 0 | 000 | A | 9B Eagle SS | Ch 9B - Eagle Lodge Sports School Alternate | Schools |
| 000-03 | 0 | 000 | A | 9C Wolly SS | Ch 9C - Main Lodge/Woollywood Sports Schools Alternate | Schools |
| 000-09 | 0 | 000 | A | 6A Race Dept | Ch 6A - Race Department | Business |
| 000-10 | 0 | 000 | A | 6B Events | Ch 6B - Events | Business |
| 000-11 | 0 | 000 | A | 6C Jun Race | Ch 6C - Junior Race Teams | Business |
| 001-01 | 0 | 000 | A | 7A Unbound | Ch 7A - Unbound (Snowboard play areas) (includes Unbound grooming) | Business |
| 001-02 | 0 | 000 | A | 7B Events | Ch 7B - Events | Business |
| 001-03 | 0 | 000 | A | 7C Events | Ch 7C - Events | Business |
| 001-09 | 0 | 000 | A | 8A Canyon SS | Ch 8A - Canyon Lodge Sports School/Sierra Star Golf Course Operations * | Schools |
| 001-10 | 0 | 000 | A | 8B Canyon SS | Ch 8B - Canyon Lodge Sports School Alternate/Sierra Star Food Operations * | Schools |
| 001-11 | 0 | 000 | A | 8C Wolly SS | Ch 8C - Main Lodge/Woollywood Sports Schools/Mammoth Mtn. Adventure Center * | Schools |
| 200-01 | 0 | 000 | A | 2A Admin | Ch 2A - Host Supervisors/Lift Operations Supervisors/Administration/Bike Park * | Business |
| 200-02 | 0 | 000 | A | 2B Lift Ops | Ch 2B - Lift Operations | Business |
| 200-03 | 0 | 000 | A | 2C Ski Hosts | Ch 2C - Ski Hosts | Business |
| 200-05 | 0 | 000 | A | 3A Lift Mnt | Ch 3A - Lift Maintenance | Business |
| 200-06 | 0 | 000 | A | 3B Lift Mnt | Ch 3B - Lift Maintenance Alternate | Business |
| 200-07 | 0 | 000 | A | 3C Lift Mnt | Ch 3C - Lift Maintenance Alternate | Business |
| 200-09 | 0 | 000 | A | 4A Slope Mnt | Ch 4A - Slope Maintenance | Business |
| 200-10 | 0 | 000 | A | 4B Slope Mnt | Ch 4B - Slope Maintenance Alternate | Business |
| 200-11 | 0 | 000 | A | 4C Snow Cat | Ch 4C - Snow Cat Maintenance | Business |
| 200-13 | 0 | 000 | A | 5A Snow Pl/M | Ch 5A - Snow Placement (Snow Plowing and Snow Making)/Lift Construction * | Business |
| 200-14 | 0 | 000 | A | 5B Snow Pl/M | Ch 5B - Snow Placement (Snow Plowing and Snow Making) Alternate | Business |
| 200-15 | 0 | 000 | A | 5C Veh Maint | Ch 5C - Garage Calling (Vehicle Maintenance) | Business |
| 201-01 | 0 | 000 | A | 10A Security | Ch 10A - Security | Security |
| 201-02 | 0 | 000 | A | 10B Security | Ch 10B - Security Alternate | Security |
| 201-03 | 0 | 000 | A | 10C Snowmob | Ch 10C - Mammoth Snowmobile Adventures | Business |
| 201-05 | 0 | 000 | A | 11A Bldg Mnt | Ch 11A - Building Maintenance | Business |
| 201-06 | 0 | 000 | A | 11B Housing | Ch 11B - Staff Housing | Business |
| 201-07 | 0 | 000 | A | 11C Telecom | Ch 11C - Telecommunications | Business |
| 201-09 | 0 | 000 | A | 12A MMI Mnt | Ch 12A - Mammoth Mountain Inn Operations - Maintenance/Grounds | Business |
| 201-10 | 0 | 000 | A | 12B MMI Hskp | Ch 12B - Mammoth Mountain Inn - Housekeeping | Business |
| 201-11 | 0 | 000 | A | 12C MMI Svcs | Ch 12C - Mammoth Mountain Inn Guest Services and Night Bus Lines | Business |
| 201-13 | 0 | 000 | A | 14A Transprt | Ch 14A - Transportation Red Line (Main Lodge) and Staff | Transportation |
| 201-14 | 0 | 000 | A | 14B Transprt | Ch 14B - Transportation Main Lodge Parking Control and Shuttle | Transportation |
| 201-15 | 0 | 000 | A | 14C Transprt | Ch 14C - Transportation Green/Blue/Orange Lines/Canyon Parking Control/Shuttle | Transportation |
| 600-01 | 0 | 000 | A | 1A SkiPatrol | Ch 1A - Ski Patrol | EMS-Talk |
| 600-02 | 0 | 000 | A | 1B SkiPatrol | Ch 1B - Ski Patrol Alternate | EMS-Talk |
| 600-03 | 0 | 000 | A | 1C Pan Gond | Ch 1C - Panorama Gondola Operations | Business |
| 700-01 | 0 | 000 | A | 13A Cat/Bus | Ch 13A - Catering/Devils Postpile Shuttle Buses ** | Business |
| 700-02 | 0 | 000 | A | 13B FoodSvcs | Ch 13B - Food Services | Business |
| 700-03 | 0 | 000 | A | 13C Hotels | Ch 13C - Hotels | Business |
| 700-04 | 0 | 000 | A | 15A Hotels | Ch 15A - Hotels | Business |
| 700-05 | 0 | 000 | A | 15B Hotels | Ch 15B - Hotels | Business |
| 700-06 | 0 | 000 | A | 15C Hotels | Ch 15C - Hotels | Business |
| 700-08 | 0 | 000 | A | 16B No Label | Ch 16B - Not Labeled | Business |
| 700-09 | 0 | 000 | A | 16C Testing | Ch 16C - Radio Test | Business |
