| American Society of Safety Engineers |
| Centers for Disease Control and Prevention |
| National Institute for Occupational Safety & Healdh (NIOSH) |
| Ready Mixed Concrete Truck Drivers Work Related Hazards (CPWR.com) |
| Department of Labor |
| Drug-Free Workplace Advisor |
| Federal Emergency Management Agency (FEMA) |
| Federal Motor Carrier Safety Administration |
| Illinois Onsite Safety & Health Consultation Program |
| Occupational Safety and Health Agency (OSHA) |
| OSHA Illinois Area Offices |
| OSHA eTools |
