Skip to content
Are you a DOT compliance company? Create provider profile →
Random Testing Consortium Services

Random Testing Consortium Services

DOT drug testing consortium support for owner-operators and fleets, including random pool administration, collection coordination, records and FMCSA program setup.

Join a DOT drug and alcohol consortium

Free and no obligation. Three quick steps, every question is optional.

Your testing program
What do you need? Choose any
Are you in a program now?
About your operation
How many drivers need enrolling?
Optional. Helps a provider check your FMCSA record.
Your contact details

Add an email or phone number, whichever suits you, so a provider can reply.

Your details are used only to arrange the support you request.

A DOT drug testing consortium gives self-employed owner-operators working under their own authority and motor carriers a practical way to manage the testing program required by 49 CFR Part 382. The right consortium/third-party administrator, usually called a C/TPA, can administer the random pool, coordinate collections, maintain testing records and support the employer when a test or audit needs immediate attention.

For 2026: FMCSA’s minimum annual random testing rates remain 50 percent for controlled substances and 10 percent for alcohol. The percentages are calculated using the average number of covered driver positions in the pool. They do not mean that each driver will be tested once, and the same driver can be selected more than once.

Who needs an FMCSA drug and alcohol testing program?

Part 382 generally applies when a driver operates a commercial motor vehicle that requires a commercial driver’s license. That includes a combination with a gross combination weight rating or gross combination weight of at least 26,001 pounds, whichever is greater, when the towed unit has a gross vehicle weight rating or gross vehicle weight over 10,000 pounds. It also includes a single vehicle with a gross vehicle weight rating or gross vehicle weight of at least 26,001 pounds, whichever is greater, a vehicle designed to transport 16 or more people including the driver, and a vehicle of any size used to transport placardable quantities of hazardous materials.

Self-employed owner-operators

An owner-operator working under his or her own authority cannot administer the required random pool alone. An owner-operator leased to another motor carrier is normally covered by that carrier’s employer program instead.

Motor carriers with CDL drivers

A fleet may operate its own compliant program or engage a C/TPA to administer some or all of it. The carrier still remains responsible for compliance.

New entrant carriers

A new carrier that employs CDL drivers should have its program, policy, pre-employment testing and records in place before a driver first performs a safety-sensitive function.

Mixed or growing fleets

Adding a first CDL driver, acquiring another carrier or changing operating scope should trigger a review of which drivers belong in the DOT testing pool.

A USDOT number by itself does not automatically make every driver subject to Part 382. The deciding questions are the vehicle, the work being performed and whether the driver must hold a CDL. A good provider checks coverage before enrolling drivers instead of treating every commercial vehicle the same.

What a DOT drug testing consortium service should cover

Consortium enrollment is only one part of a working program. The service scope should be written clearly enough that the carrier knows who will handle each task, who receives results and what remains with the employer’s designated employer representative.

  • Set up the carrier under the correct DOT agency and place covered drivers in an appropriate random pool.
  • Use a scientifically valid selection method and manage enough completed random tests to meet the applicable annual minimum rates.
  • Spread random selections reasonably throughout the calendar year and issue notices without advance warning to the driver.
  • Coordinate sites and documentation, including HHS-certified laboratory testing and Medical Review Officer review for drug tests, plus qualified DOT alcohol-testing personnel and approved equipment for alcohol tests.
  • Maintain secure, organized program records and make them available to the carrier when requested.
  • Help the carrier keep its written policy, driver education and supervisor training aligned with the program it actually operates.
  • Coordinate time-sensitive collections after the employer makes a required testing decision, and schedule return-to-duty or follow-up tests where those services are included.

The six FMCSA testing situations a carrier program may need to handle

Test type When it applies Operational point to check
Pre-employment Before a driver first performs a safety-sensitive function for the employer. A verified negative controlled-substances result is generally required first, although 49 CFR 382.301(b) has a narrow exception for qualifying recent participation in a compliant program. Pre-employment alcohol testing is optional under Part 382 and must meet strict conditions if used. The Clearinghouse pre-employment query is separate.
Random Unannounced selections made throughout the year from the covered pool. Every driver must have an equal chance of selection each time. The employer must require a selected driver to proceed immediately, subject to the rule for a driver performing a safety-sensitive function. Random alcohol testing may occur only just before, during or just after safety-sensitive work.
Post-accident Human fatality: for an accident covered by 49 CFR 382.303, test each surviving driver who was performing safety-sensitive functions with respect to the commercial motor vehicle; no citation is required. Nonfatal accident: if there is immediate medical treatment away from the scene or disabling damage requiring a tow, testing depends on the driver receiving a moving-traffic citation within eight hours for alcohol testing or 32 hours for controlled-substances testing. If the alcohol test is not completed within two hours, record the reason. Stop alcohol-test attempts after eight hours and controlled-substances-test attempts after 32 hours, documenting why the required test was not completed within the applicable period.
Reasonable suspicion When a trained supervisor makes specific, contemporaneous observations that meet the rule. This requirement does not apply to a sole owner-operator who has no other employees and does not supervise other drivers. The decision must be based on observed appearance, behavior, speech or body odors, not rumor or a general concern.
Return-to-duty After a violation, once the Substance Abuse Professional has determined that the driver successfully complied with the prescribed education and/or treatment. Before safety-sensitive work resumes, the driver needs a negative drug result and/or an alcohol result below 0.02, as applicable. A return-to-duty drug collection is directly observed.
Follow-up After return to duty, according to the testing plan set by the Substance Abuse Professional. The plan must include at least six tests in the first 12 months and may continue for up to 60 months. Follow-up tests are separate from random selections, and follow-up drug collections are directly observed.

Random rates can change from one calendar year to the next, so check the program against the current DOT random testing rates, not an old certificate or policy.

Owner-operator and fleet programs are not identical

A self-employed owner-operator operating under his or her own authority is both the employer and the driver. That changes how random selection, refusals and Clearinghouse activity must be managed, and FMCSA requires that owner-operator to designate a C/TPA in the Clearinghouse. A driver leased to another motor carrier and operating under that carrier’s USDOT number uses the driver role instead and is normally covered by the carrier’s program. A multi-driver carrier may designate a C/TPA for permitted Clearinghouse tasks, but must appoint an internal designated employer representative who can make and carry out employer decisions.

For a multi-driver fleet, the C/TPA cannot act as the designated employer representative. It also cannot decide for the employer whether reasonable-suspicion or post-accident testing is required, determine that a refusal occurred, or make the employer’s return-to-duty and follow-up determinations. Part 40 contains limited provisions for self-employed owner-operators, but a fleet should not buy a service on the assumption that every duty can be handed over.

For an owner-operator, check that the provider will:

  • place the driver in a qualifying random pool with other covered drivers;
  • explain how selection notices are sent and what immediate action is expected;
  • confirm which Clearinghouse functions the owner-operator must designate to the C/TPA;
  • provide accessible enrollment and testing records for a new entrant safety audit or investigation; and
  • state how refusals, missed tests and return-to-duty cases are handled.

For more on the reporting and query side of the program, see our FMCSA Clearinghouse services page. Clearinghouse registration does not replace a random testing program, and consortium enrollment does not by itself complete every Clearinghouse duty.

A compliant random pool is more than an enrollment certificate

A certificate can show that a carrier joined a program on a given date, but it does not prove that the program was operated correctly throughout the year. During an audit, the useful evidence is the working record: an accurate roster, documented selections, proof that notices were acted on, completed test records, explanations for missed tests, and annual or MIS summaries when required or requested.

Roster control is where avoidable problems often start. A departed employee left in the pool can distort selections; a new CDL driver who was never added can sit outside the program altogether. Tell the administrator about changes as they happen and compare the active pool list with payroll or driver records regularly.

DOT drug and alcohol testing records to keep audit-ready

Testing records contain sensitive information and should be held in a secure location with controlled access. A service agent may maintain records for the employer, but the carrier must still be able to produce requested records at its principal place of business within the time allowed by FMCSA. Under Part 40, that can mean within two business days.

  • the current covered-driver roster and changes made during the year;
  • random selection lists, notices and completed collection records;
  • negative, canceled, positive and refusal records retained for the correct periods;
  • post-accident testing decisions and documentation of any delay;
  • reasonable-suspicion observations and supervisor training records;
  • Substance Abuse Professional reports, return-to-duty results and follow-up schedules;
  • annual MIS information and consortium statistical summaries when required or requested; and
  • the written policy, driver education materials and acknowledgements.

The retention period depends on the record and the rule that creates it. 49 CFR 40.333 generally uses five, three, two and one-year categories for different testing records. Under 49 CFR 382.401, specified education and training records remain on file while the person performs the relevant function and for two years afterward. A provider should apply both schedules rather than give every record the same destruction date.

What remains the motor carrier’s responsibility?

Hiring a C/TPA does not transfer the carrier’s legal responsibility. FMCSA states that employers can be held responsible for errors made by their service agents. The carrier should know who its designated employer representative is, keep the driver list current, remove a driver from safety-sensitive work when required, protect confidential records and respond to collection or test notifications without delay.

The written agreement should identify exactly what the provider will do. It should also identify any functions the provider cannot perform. FMCSA does not run a general qualification or approval program for C/TPAs, and the agency does not endorse individual providers. That makes due diligence important.

How to choose a DOT consortium provider

Ask operational questions before you enroll. The answers should be specific enough to show how the program works on an ordinary day and when something goes wrong.

  1. Confirm the DOT mode. The provider should understand FMCSA requirements and avoid combining non-DOT employees with the DOT random pool.
  2. Ask how selections are generated. The method must be scientifically valid, traceable and give every covered driver an equal chance.
  3. Check collection coverage. Confirm how drivers working away from the home terminal will reach suitable collection sites and who resolves a problem at the site.
  4. Clarify MRO and laboratory arrangements. DOT drug testing must use the authorized process, an HHS-certified laboratory and qualified review.
  5. Review record access. Confirm how the provider will transfer all program records to you or another service agent on request, including when the service ends.
  6. Discuss urgent events. Ask who answers post-accident, reasonable-suspicion and refusal questions outside normal office hours.
  7. Check the DOT exclusion list. Confirm that the C/TPA and applicable service agents are not subject to an active Public Interest Exclusion.
  8. Get responsibilities in writing. The agreement should separate the C/TPA’s duties from the decisions and actions that remain with the employer.
Official references: FMCSA guidance on C/TPAs, FMCSA owner-operator guidance, and the DOT employer handbook. Last reviewed August 17, 2026.

What to confirm before hiring a provider

Before appointing a provider, confirm the work required, the records or information the provider will need, who will perform each part of the service, and what documentation will be returned when the work is complete. Check relevant credentials, service area, agency or program experience, record-handling procedures and any carrier actions that must be completed separately. A provider can assist with the service, but the motor carrier and other regulated parties remain responsible for duties that cannot be transferred.

Get DOT consortium support

Tell us whether you are an owner-operator or fleet, how many CDL drivers you have and when you need the program in place. A DOT compliance provider can review your requirements and explain the next steps.

Request consortium support

Random Testing Consortium Services provider profiles

These results are filtered to listed DOT compliance providers that include this service in their profile. Carriers should still confirm scope, state coverage, fees and turnaround time before appointing a provider.

Matching provider profiles
Do It Right Screening

Do It Right Screening

Verified Member
No reviews yet Newtown, PA

Do It Right Screening is a background screening, drug testing and DOT compliance company based in Newtown, Pennsylvania, serving motor carriers and employers in all 50 states. Founder and CEO…

  • DOT drug and alcohol testing program management
  • Pre-employment drug testing
  • Random testing consortium membership
  • Post-accident drug and alcohol testing

Covers: Pennsylvania · New Jersey · North Carolina

Frequently asked questions about Random Testing Consortium Services

Does a self-employed owner-operator need to join a DOT drug testing consortium?

Yes, when the owner-operator works under his or her own authority and is subject to Part 382. FMCSA requires that owner-operator to participate in a consortium's random pool and designate a C/TPA in the Clearinghouse. A driver leased to another carrier and operating under its USDOT number is normally covered by that carrier's program instead.

Does every carrier with a USDOT number need a drug testing consortium?

No. Part 382 generally applies to drivers who operate commercial motor vehicles that require a CDL. The vehicle, operation and driver's duties determine coverage. A carrier should confirm which drivers are covered before enrolling them.

What are the FMCSA random testing rates for 2026?

For calendar year 2026, FMCSA's minimum annual random testing rates are 50 percent for controlled substances and 10 percent for alcohol. The rates apply across the eligible pool, and each driver must have an equal chance of selection whenever a selection is made.

Can a carrier use a C/TPA and still be responsible for compliance?

Yes. A C/TPA can administer permitted testing and recordkeeping functions, but the motor carrier remains responsible for compliance and for errors made by its service agents. The written service agreement should identify the duties of both parties.

Is Clearinghouse registration the same as consortium enrollment?

No. The FMCSA Drug and Alcohol Clearinghouse handles required queries and violation reporting. A consortium administers functions such as random pool selections and testing coordination. A self-employed owner-operator under his or her own authority who is subject to Part 382 normally needs both the appropriate Clearinghouse setup and a compliant consortium program.

How soon must a DOT post-accident test be completed?

When the criteria in 49 CFR 382.303 require testing, the employer must act as soon as practicable. If an alcohol test is not completed within two hours, the employer records the reason for the delay, and attempts stop after eight hours. Controlled-substances testing attempts stop after 32 hours.

How long must DOT drug and alcohol testing records be kept?

The period depends on the record and the applicable rule. Part 40 generally uses five, three, two and one-year categories for different testing records. Under 49 CFR 382.401, specified education and training records remain on file while the person performs the relevant function and for two years afterward.

What should a carrier check before choosing a consortium provider?

Check FMCSA experience, random selection methods, collection-site coverage, laboratory and Medical Review Officer arrangements, record access, after-hours support and the process for driver roster changes. Get the division of responsibilities in writing before enrollment.

Random Testing Consortium Services providers

Review providers that list this service in their profile.

View all

Get DOT consortium support

Request consortium support

Request DOT
compliance quotes