Occupational Health Services
At Certified by DJD LLC, we connect businesses with reliable occupational health services through our trusted network of partner facilities. We make it easy to access essential workplace health screenings and compliance testing, ensuring your employees are fit for duty and your business stays compliant.x to start editing your content and make sure to add all the relevant details you want to share with site visitors.
Concerned about workplace safety and compliance?
Let us handle all your Occupational Health needs—from drug screenings and physical exams to DOT compliance. We’ll help keep your workforce safe and your business in full regulatory compliance—giving you peace of mind.
Comprehensive Occupational Health Services

Pre-Employment & Fit-for-Duty Exams
Ensure that candidates and employees meet the physical and health requirements for their positions.

Drug & Alcohol Testing
Prevent substance-related incidents and maintain a safe work environment.

Periodic Medical Evaluations
Detect potential health issues early and reduce long-term absences.

Vaccinations & Disease Control
Protect employees against communicable diseases and comply with public health regulations.

Vision, Hearing, and Respiratory Exams
Verify that staff have the physical capabilities needed to safely perform their tasks.

Return-to-Work Evaluations
Determine whether an employee is fit to resume duties after an injury or illness.