- Fall Protection (1926.501) 7,139 violations
- Scaffolding (1926.451) 7,069 violations
- Hazard Communication (1910.1200) 6,538 violations
- Respiratory Protection (1910.134) 3,944 violations
- Control of Hazardous Energy – Lockout/Tagout (1910.147) 3,639 violations
- Electrical – Wiring Methods (1910.305) 3,584 violations
- Powered Industrial Trucks (1910.178) 3,432 violations
- Ladders (1926.1053) 3,244 violations
- Electrical – General (1910.303) 2,863 violations
- Machine Guarding – General Requirement (1910.21) 2,556 violations
Here's the list from 2010
- Scaffolding
- Fall Protection
- Hazard Communication
- Respiratory Protection
- Ladders
- Control of Hazardous Energy – Lockout/Tagout
- Electrical – Wiring Methods
- Powered Industrial Trucks
- Electrical – General
- Machine Guarding