Next Level Screening & Labs offers fast, professional drug and alcohol testing services—wherever you are. We proudly provide mobile testing in Texas (including Houston), Omaha, and St. Louis, bringing convenience directly to your home, workplace, or job site. Through our national collection site network, we also offer testing at partner locations in all 50 states. Whether you need DOT, pre-employment, post-accident, or random testing, we make the process simple, confidential, and compliant. Click the link below to schedule an appointment at a location near you or request mobile services today.