On site drug testing – We come to you
We Come To You
Land, Air & Sea
Accredited Drug Testing provides reliable, fast, and confidential on-site and mobile drug testing services at your workplace, accident scene, or remote job location available 24/7 nationwide. Whether you're an employer looking to test employees at your facility or need emergency post-accident testing, our mobile collectors come to you with all required supplies and documentation, ensuring compliance and minimal disruption. We provide onsite drug and alcohol testing for all DOT modes including FMCSA, USCG, FAA, FRA, PHMSA, FTA.
Who Uses Our On-Site Drug Testing?
Manufacturing Plants
Power Plants
Car Dealerships
Trucking/Transportation Companies
Oil & Gas Sites
Hospitals
On-Site Testing Events Require a Minimum of 10 Individuals or More To Be Tested
On-Site Drug Testing in Construction Sites
Accredited Drug Testing offers specialized drug and alcohol testing solutions for construction companies to improve job site safety, reduce liability, and meet compliance standards. Whether you operate a small crew or manage multi-state projects, our nationwide network ensures you get the testing services you need, quickly and reliably.On-Site Drug Testing in Manufacturing Plants
Accredited Drug Testing provides industry-specific drug and alcohol testing services for manufacturing companies and industrial facilities nationwide. Our services help protect your workforce, improve productivity, and ensure compliance with OSHA, DOT, and insurance requirements.
On-Site Drug Testing in Power Plants
On-site drug testing at power plants plays a critical role in ensuring workplace safety, regulatory compliance, and operational reliability. Power generation facilities involve high-risk environments, including the operation of heavy machinery, high-voltage equipment, and complex control systems. Impairment due to drug or alcohol use in these settings can lead to catastrophic accidents, equipment failure, and loss of life.
On-Site Drug Testing in Motor Pool Facilities
Motor pool facilities are responsible for managing fleets of vehicles used for government agencies, utilities, transportation providers, and large organizations. Employees in these facilities often operate or maintain commercial motor vehicles, heavy equipment, or other safety-sensitive assets. On-site drug testing at motor pool locations helps maintain a safe and compliant work environment while minimizing downtime and improving operational efficiency.
On-Site Drug Testing for Car Dealerships
On-site drug testing at car dealerships is a convenient and effective way to maintain a safe and drug-free workplace. With employees working in safety-sensitive roles, such as operating vehicles, handling tools, or interacting with customers. It is critical for auto dealers to implement reliable drug and alcohol testing programs that help prevent accidents, protect reputation, and ensure compliance with employment policies.
Why Car Dealerships Need Drug Testing
- Convenient and Time-Saving: Testing is done on-site with no need to send employees off-premises
- Minimizes Workflow Disruption: Employees can return to work quickly after testing
- Cost-Effective: Reduces travel costs and time away from sales or service operations
- Discreet and Professional: Certified collectors arrive with proper equipment and conduct testing confidentially
- Check-In Process Employees or participants are called in, verified with ID, and briefed on the testing process.
Types of On-Site Testing Available
- Urine Drug Testing: 5, 10, or 12-panel options for common illicit and prescription drugs
- Oral Fluid (Saliva) Testing: Observed collections with short detection windows
- Hair Follicle Testing: Long-term detection up to 90 days—ideal for management roles
- Breath Alcohol Testing (BAT): Instant results to detect recent alcohol use
- Rapid/Instant Testing: Fast screenings with optional lab confirmation
Protect your employees, your customers, and your bottom line with professional on-site drug and alcohol testing services. Accredited Drug Testing offers fast, flexible, and affordable solutions for car dealerships of all sizes
On-Site Drug Testing for Trucking and Transportation Companies
On-site drug testing for trucking and transportation companies helps ensure compliance with federal regulations, protect public safety, and keep commercial fleets operating without disruption. Whether you're managing long-haul drivers, delivery services, or logistics operations, on-site testing provides a convenient, cost-effective, and federally compliant solution.
On-Site Drug Testing for Schools
On-site drug testing for schools is a proactive way to maintain a safe, drug-free learning environment. Whether you're a public school district, private academy, or charter organization, implementing an on-site drug testing program promotes student health, reinforces policy compliance, and helps safeguard school operations.
On-Site Drug Testing at Oil and Gas Sites
On-site drug testing at oil and gas sites is essential for maintaining a safe, compliant, and productive work environment in one of the world’s most high-risk industries. From drilling rigs and refineries to pipeline construction and offshore platforms, the oil and gas sector demands peak performance and zero tolerance for impairment. Accredited Drug Testing offers 24/7 mobile drug and alcohol testing services to oil fields, terminals, man camps, and remote job sites nationwide. Our services are tailored to meet both federal and industry-specific safety standards while minimizing operational downtime.
Planning or participating in an on-site drug testing event? Accredited Drug Testing provides services to employers, safety managers, or employees, knowing what to expect during an on-site drug testing process helps ensure a smooth, compliant, and stress-free experience. As a drug testing subject matter expert, Accredited Drug Testing provides professional, DOT-compliant mobile testing services designed to be efficient, confidential, and fully customizable to your organization's needs.
What Is an On-Site Drug Testing Event?
An on-site testing event involves certified collectors traveling to your location, such as a workplace, job site, terminal, school, or event venue—to perform drug and alcohol tests. This service eliminates the need to send employees off-site and minimizes downtime while ensuring compliance with drug-free workplace policies, DOT regulations, or legal requirements. These events can range from single-day testing for small teams to multi-day operations across multiple shifts or job sites.
- Determine the scope of the testing event (number of employees, shifts, locations)
- Choose the appropriate test types (urine, oral fluid, hair, alcohol)
- Coordinate scheduling to minimize operational disruption
- Provide chain of custody forms, employee notices, and privacy procedures
- Complete and required Chain of custody paperwork
What Happens During the On-Site Drug Testing Event
- Setup and Arrival: Certified collectors arrive with testing kits, paperwork, and privacy screens. Setup may occur in a designated private area, conference room, trailer, or mobile unit.
- Check-In Process: Employees or participants are called in, verified with ID, and briefed on the testing process.
- Collection Procedures: Collections begin utilsing proper collection protocols and procedures based on your testing event requirements or regulations. Every sample is documented using strict Chain of Custody Procedures (CCF) to ensure accuracy and legal validity.
- Completion and Wrap-Up: Participants return to work after testing. All samples are sealed and transported to certified laboratories (if not rapid tests). Results are reported to the employer or DER in compliance with Confidentiality and DOT confidentiality requirements.
Tips for a successful on-site drug testing event
- Choose a certified provider with DOT experience and trained collectors
- Communicate clearly with your staff ahead of time (when applicable)
- Designate a private, accessible space for testing and check-in
- Have HR or a DER on-site to assist with any employee concerns
Why Choose Accredited Drug Testing?
- Certified collectors, BAT technicians, and MROs.
- DOT and non-DOT program management
- 24/7 on-site testing availability nationwide
- Over 17,000 backup testing locations
- Customized employer programs and full compliance support
- Trusted by federal contractors, transportation companies, and Fortune 500 firms
Schedule Your On-Site Drug Testing Event Today
Whether you are planning a random drug test, pre-employment screening, or DOT-mandated testing event, Accredited Drug Testing delivers fast, professional, and compliant on-site drug and alcohol testing services. Call (800) 221-4291 or visit or click the button below to schedule a drug testing event or request a free quote.
Request On-site Mobile Testing
Accredited Drug Testing has 17,540 drug testing centers in 50 states.
Please select a state from the list below to find drug testing locations near you.