DOT CONSORTIUM ENROLLMENT - Four Corners, TX

Random Drug & Alcohol Testing Program
FMCSA - FAA - USCG - FTA - FRA - PHMSA

All Random Test Fees Included


Our DOT Consortium Membership includes quarterly random selections, notifications by email & phone, testing site coordination, MIS reporting, and a Certificate of Compliance upon enrollment. Owner-operators DOT-regulated employers Certificate of Compliance.

  • We offer 1, 2 and 3 year memberships (multi-year discounts)
  • All random selection testing and testing fees included (no hidden costs)
  • MIS report at year-end and upon request
  • DER support, Clearinghouse assistance (FMCSA), DOT Physicals, MVR Reports & Supervisor Training

Why is a DOT Consortium Required?

Owner Operators- DOT requires all owner-operators to enroll in a consortium so they are included in a compliant random testing pool because they cannot randomly test themselves.

Small Employers-Some smaller companies may not have enough drivers or safety-sensitive employees to maintain their own statistically valid random pool. Therefore, by joining a consortium, they are combined with other companies to form a large pool that meets DOT testing requirements.

Large Employers-Larger fleets may manage their own random pool but often use a consortium/TPA to outsource the process, reduce administrative burden, and ensure strict compliance.

How Our DOT Consortium Works

Step 1: Enroll: Select a 1, 2, or 3 year membership and receive your Certificate of Compliance by email.

Quarterly Selections: We process our consortiums using a scientifically valid, computer-generated random draws each quarter.

Immediate Notifications: If selected, your DER receives email & phone notice with selection instructions.

Testing & Results: Visit the assigned testing center. ADT will manage CCFs, lab processing, and reporting.

MIS Reporting: Year-end and on-demand MIS reports included.

Included With Membership

  • All random selection test fees (drug & alcohol where applicable)
  • DER support & audit-ready documentation
  • Federal CCFs (5-part) for DOT drug tests
  • FMCSA Clearinghouse registration assistance
  • Policy templates (DOT Drug & Alcohol)
  • Supervisor reasonable-suspicion training options

40 DOT Drug-Testing Centers in Four Corners

Minutes Away, Test Today

13811 Charterhouse Way2.14 miles

13811 Charterhouse Way
Sugar Land, TX 77498

1111 Gillingham Ln3.32 miles

1111 Gillingham Ln
Sugar Land, TX 77478

1250 7th St3.56 miles

1250 7th St
Sugar Land, TX 77478

1201 Lakeview Dr3.69 miles

1201 Lakeview Dr
Sugar Land, TX 77478

10521 Corporate Dr4.37 miles

10521 Corporate Dr
Stafford, TX 77477

1403 Highway 6 Ste 1004.57 miles

1403 Highway 6 Ste 100
Sugar Land, TX 77478

14023 Southwest Fwy4.77 miles

14023 Southwest Fwy
Sugar Land, TX 77478

1235 Lake Pointe Pkwy # 1024.85 miles

1235 Lake Pointe Pkwy # 102
Sugar Land, TX 77478

15259 Southwest Freeway,5.11 miles

15259 Southwest Freeway,
Sugar Land, TX 77478

16062 Southwest Fwy Ste 25.40 miles

16062 Southwest Fwy Ste 2
Sugar Land, TX 77479

16902 Southwest Fwy5.59 miles

16902 Southwest Fwy
Sugar Land, TX 77479

16545 Southwest Frwy #2255.64 miles

16545 Southwest Frwy #225
Sugar Land, TX 77479

12121 Richmond Ave Ste 124,5.67 miles

12121 Richmond Ave Ste 124,
Houston, TX 77082

3531 Town Center Blvd S Ste 1015.86 miles

3531 Town Center Blvd S Ste 101
Sugarland, TX 77479

6360 W Sam Houston Pkwy N Ste 2005.90 miles

6360 W Sam Houston Pkwy N Ste 200
Houston, TX 77041

9380 W Sam Houston Pkwy S Ste 3005.90 miles

9380 W Sam Houston Pkwy S Ste 300
Houston, TX 77099

8101 W Sam Houston Pkwy S Ste 1005.90 miles

8101 W Sam Houston Pkwy S Ste 100
Houston, TX 77072

8104 Southwest Fwy Ste E6.01 miles

8104 Southwest Fwy Ste E
Houston, TX 77074

3727 Greenbriar Dr Ste 4036.04 miles

3727 Greenbriar Dr Ste 403
Stafford, TX 77477

3151 Highway 66.07 miles

3151 Highway 6
Sugar Land, TX 77478

2550 Gray Falls Dr Ste 1206.13 miles

2550 Gray Falls Dr Ste 120
Houston, TX 77077

10039 Bissonnet St Ste 1206.13 miles

10039 Bissonnet St Ste 120
Houston, TX 77036

11807 Westheimer Rd Ste 5606.32 miles

11807 Westheimer Rd Ste 560
Houston, TX 77077

7101 W Grand Pkwy S6.34 miles

7101 W Grand Pkwy S
Richmond, TX 77407

5510-a W Grand Pkwy S6.34 miles

5510-a W Grand Pkwy S
Richmond, TX 77406

2929 Woodland Park Dr6.35 miles

2929 Woodland Park Dr
Houston, TX 77082

1398 Eldridge Pkwy Ste 1136.59 miles

1398 Eldridge Pkwy Ste 113
Houston, TX 77077

9543 Bissonnet St6.84 miles

9543 Bissonnet St
Houston, TX 77036

6501 S Fry Rd Ste 10007.50 miles

6501 S Fry Rd Ste 1000
Katy, TX 77494

9000 Southwest Fwy Ste 1807.55 miles

9000 Southwest Fwy Ste 180
Houston, TX 77074

14770 Memorial Dr Ste 1007.59 miles

14770 Memorial Dr Ste 100
Houston, TX 77079

8313 Southwest Fwy Ste 1117.91 miles

8313 Southwest Fwy Ste 111
Houston, TX 77074

8200 Wednesbury Lane Suite # 4,7.99 miles

8200 Wednesbury Lane Suite # 4,
Houston, TX 77074

952 S Fry Rd,8.02 miles

952 S Fry Rd,
Katy, TX 77450

14045 Memorial Dr8.12 miles

14045 Memorial Dr
Houston, TX 77079

9701 Richmond Ave Ste 1158.21 miles

9701 Richmond Ave Ste 115
Houston, TX 77042

10807 Shawnbrook Dr8.31 miles

10807 Shawnbrook Dr
Houston, TX 77071

12345 Katy Fwy8.58 miles

12345 Katy Fwy
Houston, TX 77079

2600 S Gessner Rd Ste 2058.60 miles

2600 S Gessner Rd Ste 205
Houston, TX 77063

19450 Katy Fwy8.61 miles

19450 Katy Fwy
Houston, TX 77094

Agency Coverage & Current Minimum Random Rates

Percentages are set by each DOT agency and may change.

FMCSA: Federal Motor Carrier Safety Administration

According to 49 CFR 382.305, employers, including those based in Four Corners, TX, must sustain a compliant random program. For owner-operators, joining a consortium pool is mandatory, incorporating at least two other covered employees.

  • 50%- Controlled Substances (DOT 5-panel urine)
  • 10%- DOT Breath Alcohol Testing (BAT)
FMCSA Enroll Today

USCG - United States Coast Guard (now under Homeland Security)

According to 46 CFR Part 16.230, marine employers must execute random drug testing for all crew members holding safety-sensitive roles. This initiative is pivotal for preserving maritime safety in Four Corners, TX waters and beyond.

  • 50% - Controlled Substances (DOT 5-panel urine)
  • Alcohol - Not applicable for USCG random minimums

In Four Corners, TX, the state's extensive coastline demands that maritime safety protocols are strictly followed to safeguard marine operations.

USCG Enroll Today

FAA: Federal Aviation Administration

Under 14 CFR Part 120, employers are mandated to include all functions that are safety-sensitive. This is a nationwide requirement, also enforced throughout Four Corners, TX, ensuring a high safety standard in aviation.

  • 25% -Controlled Substances (DOT 5-panel urine testing)
  • 10% -Breath Alcohol Testing (BAT)
FAA Enroll Today

FRA- Federal Railroad Administration

Railroads are required to submit and abide by a random testing plan approved by the FRA (49 CFR 219.601-219.609). This regulation applies across various states, including Four Corners, TX, ensuring that safety remains a top priority on railways.

Employee Category Drugs Alcohol
Covered Service 25% 10%
Maintenance of Way / Roadway Workers 25% 10%
Mechanical 50% 25%
FRA Enroll Today

FTA- Federal Transit Administration

Four Corners, TX employers operating under 49 CFR Part 655 are obliged to implement a scientifically valid employee selection procedure to ensure random testing compliance and maintain workplace safety.

  • 50%- Drugs
  • 10%-  Alcohol
FTA Enroll Today

PHMSA- Pipeline & Hazardous Materials Safety Administration

In Four Corners, TX, operators must comply with Parts 192, 193, or 195 by testing covered employees according to 49 CFR Part 199. This compliance ensures that the workforce handling hazardous materials adheres to safety and substance use mandates, minimizing risks associated with transportation and pipeline safety.

  • 50%-Drugs
  • Alcohol- N/A (no PHMSA random alcohol minimum)
PHMSA Enroll Today

Who Must Be in a DOT Random Program?

  • Truck drivers (CDL) & motor carriers
  • Train engineers, conductors, dispatchers
  • Merchant mariners & marine employers
  • Airline pilots, flight attendants, mechanics, ATC
  • Pipeline operations, maintenance & emergency response
  • Transit operations, maintenance & certain CDL roles

Owner-Operators , Small, Medium & Large Employers

Joining our DOT consortium is the fastest way to achieve immediate compliance. We provide the Certificate of Compliance, random selections, MIS reports and testing coordination.

ENROLL TODAY

Complete Compliance Package for Independent Operators & Small Companies

  • 1 DOT Drug Test
  • First-year Consortium membership (all randoms included)
  • 1 Supervisor training (reasonable suspicion)
  • 1 DOT Drug & Alcohol Policy
  • 1 Certificate of Compliance

Need more tests? Additional DOT drug tests can be added at a discount.

Enroll Today! (800) 221-4291

Enroll in the DOT Consortium

Enroll Today

Immediate compliance for DOT random testing. Perfect for owner-operators and employers of any size.

  • Quarterly random selections & notifications
  • All random test fees included
  • MIS reporting & audit support
  • CCFs, policy templates, DER guidance

Are there penalties for non compliance?

Failing to comply with DOT drug and alcohol testing requirements can result in severe consequences for both employers and drivers, including:

  • Quarterly random selections & notifications
  • All random test fees included
  • MIS reporting & audit support
  • CCFs, policy templates, DER guidance

DOT Consortium: Frequently Asked Questions

What is a DOT Consortium (C/TPA) and who needs it?

Answer: A consortium C/TPA operates as a service agent managing various components of an employer's drug and alcohol testing program, like compliance and random testing pools, according to 49 CFR part 40 requirements.

  • Are random testing percentages always the same or do they change?
  • Answer: Random testing rates might differ annually based on positivity rates; however, within our consortium, we cover all DOT random testing fees regardless of rate changes.
  • What happens when I am selected for a random test?
  • Answer: ADT alerts the company DER or Owner Operator by email/phone, providing nearby test site information and steps to follow. The chosen employee needs to immediately head to the testing venue once contacted.
  • What drugs are tested on a DOT drug test?
  • Answer: DOT drug tests screen for drugs using a DOT 5-panel urine test and a DOT breath alcohol test. Ensure all tests utilize a Federal CCF and Federal Alcohol Testing Form.
  • Can you help during a DOT audit or inspection?
  • Answer: Indeed, ADT can organize necessary documentation such as pre-employment screening, evidence of random pool enrollment, supervisor training certificates, DOT policy creation, and MIS reports.
  • How often can I update my employee pool?
  • Answer: We verify employee pool updates quarterly. Employers can add or remove covered employees ahead of selection dates as needed.

Find a DOT Drug Test Center Near You

Enter your zip code to find nearby test centers

Four Corners Drug Testing

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Four Corners DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Four Corners, TX.

Four Corners Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Four Corners, TX.v

Four Corners Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Four Corners, TX locations—results you can trust, every time!

Four Corners Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Four Corners, TX.

Four Corners Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Four Corners, TX.

Four Corners 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Four Corners, TX employers and individuals nationwide.

Four Corners 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Four Corners, TX workplace and personal testing needs.

Four Corners On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Four Corners, TX workplace compliant.

Four Corners DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Four Corners, TX drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

A DOT Consortium is a program that manages random drug and alcohol testing for DOT-regulated employers and owner-operators. It ensures compliance with federal testing requirements by maintaining a random selection pool, managing notifications, and handling test scheduling and reporting.
All employers and owner-operators who fall under DOT agency regulations — including FMCSA, FAA, FTA, FRA, PHMSA, and USCG — must participate in a random drug and alcohol testing program. Owner-operators must join a third-party consortium to meet compliance standards.
Enrollment includes participation in a DOT-approved random testing pool, random drug and alcohol tests, test scheduling, employee notifications, Certificate of Compliance, and annual MIS reporting. Accredited Drug Testing also provides program administration, policy assistance, and ongoing compliance support.
Enrollment can be completed online at accrediteddrugtesting.com by selecting the DOT Consortium Enrollment option, or by calling (800) 221-4291. Once enrolled, participants receive immediate documentation and compliance materials.
Each enrolled company or owner-operator receives a Certificate of Compliance, MIS reports, and other documentation verifying participation in a DOT-compliant random testing pool. These records help demonstrate compliance during DOT audits or inspections.
Yes. Accredited Drug Testing’s consortium program automatically manages all random selections and notifications. When a driver or employee is selected, Accredited coordinates testing at a nearby collection site and provides results reporting and recordkeeping.

Customer Reviews

Unbelievably fast and Easy

Unbelievably fast and Easy, I wont be using Any other provider from now on.

Ren Wisby - 4/19/2025

Fast,easy and efficient

Fast,easy and efficient. They made the whole process stress free and simple. Thanks 😊

Micheal Ankenbrandt - 2/19/2025

test was quick and easy

Company New Hire Employee Process for DOT Drug test was quick and easy. No need to make appt. All employee had to do is show prepaid qr code I sent to employee show ID and was set. Would Recommend.

Maria Lopez - 11/19/2024

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

A very nice company

A very nice company of expertise. The staff will go above to help you out of your situation in a timely matter 👏

Tam Jack - 2/19/2025

Polite

I ran into a situation because the Guthrie had closed and I had to go to well care and they were right on it. I had no problems when I called to get connected with welcare everything worked out and I didn't even have to wait.they were polite and talked with the receptionist for me once I got them on the phone.

Sayre - 8/19/2024

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025


(800) 221-4291