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Chem Chek Co., Inc.

Third Party Administration & Drug Testing Service in Richardson
Opening at 11:00 AM on Monday
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Monday 12/4 and Wednesday 12/6 we will open at 11am and take our last person at 3pm due to scheduled off-site testing.

Happy Thanksgiving! We are closing early today to do some on-site testing and will be closed 11/23/23 and 11/24/23 for the holiday.

Will it rain and there are accidents. We are out of the office doing post accident testing and should be back about 11:30 AM We apologize for the inconvenience and appreciate your understanding

Closing early at 1PM today (9/20/23). We apologize for the inconvenience. We will be open tomorrow from 9:30am to 2pm for walk-in testing. Thank you for your patience and understanding.

Happy Monday! We've had some early morning tests and are running a little behind getting to the office. Please be patient and we will be there shortly.

Chem Chek will be closing at 1 Thursday August 14, 2023, a t 1 pm. Last client accepted at noon. We will be up in Friday morning at 9:30 AM

Please remember we accept our last client one hour prior to closing, to ensure everyone's tests are completed.

Yes we are aware that we are having phone problems right now and are working with our servicer to have it up and running again as quickly as possible. For inquiries, please email If this is an emergency or post accident please call 214-707-4700.


a month ago
10 out of 10 customer service. I definitely recommend.
- A W
2 years ago
The ladies that were working were very nice and professional. They made it very comfortable to speak with them and all around the experience was a very pleasant one!! Also, River was the best employee they have for sure. ;)
- Sasha C
9 months ago
Very friendly staff. Professional and on top of things. Process was fast and easy.
- Jennifer A

About Chem Chek

We believe that our partnership should be an extension of our client’s culture and philosophies. We want to be familiar with your company drug and alcohol policies so that we are supportive when speaking to applicants and employees. Our clients are not “one size fits all” and are not treated as if they are. We take the time to address your company’s needs and find solutions with each interaction.

Whether you are a Business Owner, HR Specialist, or Owner-Operator, Chem Chek will help you achieve and maintain your testing goals to comply with Federal Regulations and Company Policy.

Contact Us


Call now
  • (972) 918-9300


Get directions
1750 Alma Road #108
Richardson, TX 75081

Business Hours

Mon:11:00 AM – 3:00 PM
Tue:9:30 AM – 3:00 PM
Wed:11:00 AM – 3:00 PM
Thu:9:30 AM – 3:00 PM
Fri:9:30 AM – 2:00 PM
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