I can tell you what my Corporate Safety policy requires for annual training for every employee, if that helps.
Safe Lifting/Back safety
Fall Protection (as applicable)
Emergency Evacuation Plan/Firedrill
Fire Extinguisher training
Hazard Communication Plan/GHS symbols
Lockout Tag Out
Machine Guarding
Cranes, Chains, Slings and Hoists
Confined Space Entry (as applicable)
Bloodborne Pathogens
Rail Safety (as applicable)
PPE
Outside Contractor Safety
Powered Industrial Truck (Forklift, Side Loader, Aerial work platform)
Hearing Conservation (as applicable)
Respiratory Protection (as applicable)
Forklift Operators - 3 year certification & annual refresher
First Aid/CPR/AED training -2 year cert, min two employees per shift.
We use JJ Keller for training videos and content, they do a great job.
When we were under private ownership, we treated it as on the job training and didn't place a huge emphasis on it. There was a prefab manual from Paychex that hit the documented requirements but honestly, it sat on a shelf.