GCO Labs, LLC-Logo

SERVING THE NATION | 903-291-0137

Facebook Twitter Yellow Pages Yellowbook Yelp Foursquare

Since 2010, we've provided high-quality analytical testing services to the East Texas area. GCO Labs, LLC personnel has more than 50 years' experience in analytical laboratory testing. We guarantee your satisfaction with accurate results and a quick turnaround time.


We're a family-owned and -operated firm and

will give your order our personal attention.

GCO Labs, LLC has a large selection of tests

available. Call us for more information and ask

about our volume discounts.


We take special orders too!

GCO Labs, LLC Testing

Your phone call will be answered within

24 hours. Call us for more information on

FREE estimates.



Office Hours:

Monday - Friday

8:00 AM - 5:00 PM