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Chem Chek Co., Inc.

Third Party Administration & Drug Testing Service in Richardson
Opening at 9:30 AM
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We may be running a couple of minutes late this morning, but we will be there shortly. Thank you for your patience.

Happy Tuesday! We are hoping to be back to our normal business hours. Please remember we accept the last client 1 hour before we stop in-office testing.

Thank you for your patience and understanding while we finish up school districts random testing this week. We will not have in office testing today but we will be open tomorrow for limited hours. Please check back here for more updates

Just a reminder that we will not have in-office testing Monday 5/22/23. Thank you for your patience while we finish up school districts random testing. We should be back to normal (whatever that is) in June.

Chem Chek will be closes for in-office testing 5/12/23, 5/17/23, 5/22/23

Limited testing hours: 5/15/23 11am-2pm, 5/19/23 11am-1pm, 5/23/23 11am-2pm
Thank you for your patience and understanding!

Not even raining yet and already 2 accidents we need to take care of! We will be there as close to 9:30 as possible. Thank you for your patience.

We are testing at one of the school districts today and will not be open for in-office testing. We are so sorry foe the inconvenience and look forward to seeing you tomorrow between 9:30am and 1:00pm.


3 months ago
Very friendly staff. Professional and on top of things. Process was fast and easy.
- Jennifer A
4 months ago
just leaving some words for the lovely ladies who run this place! extremely kind, personable and speedy. thanks guys!
- John m
a year 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

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:9:30 AM – 3:00 PM
Thu:9:30 AM – 3:00 PM
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