National Occupational Health Services (NOHS) is the one-source provider for all your OSHA required health testing and medical surveillance management. Our comprehensive line of services coupled with our mobile testing convenience makes NOHS the best choice for all your occupational health needs.
NOHS is a full service occupational health testing company providing cost effective mobile health testing for companies from coast to coast. We specialize in assisting companies to comply with federal and state regulations by tailoring our services to meet your needs.

• Physicals
• Biological Metering
• Mobile X-Ray
• Audiometric Testing
• Pulmonary Function Testing
• Respirator Fit Testing
• and much more!!! (Ask one of our representatives about our complete Medical Surveillance Management.)

NOHS also provides comprehensive urine drug testing and breath alcohol testing to companies nationwide.

• DOT Drug Screens
• Chain of Custody Drug Screens
• Breath Alcohol Testing
• Random List Generation
• FULL MRO Services