HECU Collective:
- Faber and Rimas – Black Mesa: Blue Shift maintenance workers and zombies;

BMCE dev crew:
- jazze and Co. – casual scientists original textures and ported from L4D2 hi-vis vest in Character Expansion;

BMCER dev crew:
- DWBoyGamer, Monolith Fanatic, racer_dude and me – all original staff except maintenance, revamped hi-vis vest, some extra gear and identification cards from Character Expansion: Revised (models), now scrapped original idea to replace maintenance models in BMCER from Blue Shift, original Blue Shift BMCE Models (now broken, use THIS mod), and alternate senior female scientist texture;

Troubleshooters:
- Black Mesa Security Officer – troubleshoot and original Blue Shift Facility Personnel mod;
- CyanFire – troubleshoot, original Blue Shift Maintenance Models for BMCER mod and revamping maintenance zombie for BMBS with BMCER gear;
- [BKH]no-please – troubleshoot;

Others:
- Crowbar Collective – original hardhats and earmuffs (models);
- Valve – original roadwork vest from L4D2 (model);
- OSHA (Occupational Safety & Health Administration) – original logos in their hardhats.