1. Coastal Testing Laboratories Inc

(713) 477-0121

307 Pasadena Fwy Pasadena, TX 77506

2. A & A Backflow Testing Inc

(713) 534-0893

1111 Wafer St Pasadena, TX 77506

3. Inspectorate America Corp

(713) 473-4243

131 N Pasadena Blvd Pasadena, TX 77506

4. Dixie Services

(713) 672-1619

1706 1st St Galena Park, TX 77547

5. Testing Services

(713) 224-6650

1314 Ste Texas St Houston, TX 77002

6. Natec of Texas Inc

(713) 472-4022

9802 Lawndale St Houston, TX 77017

7. Western Sales & Testing

(281) 479-6700

2814 E P St Deer Park, TX 77536

8. Optimum Medical Testing

(713) 944-1796

1212 Aberdeen Rd Pasadena, TX 77502

9. Superior Testing Services

(713) 910-1970

8561 Mosley Rd Houston, TX 77075

10. DNA Paternity Testing Centers

(713) 300-9205

427 W 20th St Houston, TX 77008

11. Sgs Commercial Testing

(281) 930-1995

1101 Howard Dr Deer Park, TX 77536

12. Emissions Monitoring Service Inc

(281) 476-9214

2760 Independence Pkwy S La Porte, TX 77571

13. HOUSTON MEDICAL TESTING SERVICES, INC

(713) 665-4687

2646 S Loop W Houston, TX 77054

14. Houston Medical Testing Services Inc

(832) 431-4805

2646 S Loop W Houston, TX 77054

15. ACT DNA Drug & Alcohol Testing

(888) 368-6668

5330 Griggs Rd Houston, TX 77021

16. Houston Medical Testing Services Inc

(832) 390-4199

2646 S Ste Loop W Houston, TX 77054

17. UTXE Asbestos Removal and Testing

(832) 462-7318

1506 Lorraine St Houston, TX 77009

18. Global X-Ray & Testing Corp

(281) 241-8720

1622 Old Underwood Rd La Porte, TX 77571

19. Phoenix Non-Destructive Testing Co Inc

(281) 456-9729

8835 Miller Road 2 Houston, TX 77049

20. Welder Testing Inc

(281) 930-9966

502 W 13th St Deer Park, TX 77536

21. Global Testing Services

(281) 888-2430

2523 Wilshire St Houston, TX 77023

22. Mandes Inspection & Testing

(713) 637-0600

14403 Market Street Rd Houston, TX 77015

23. Proficiency Testing Service

(281) 974-5487

5615 Ste Kirby Dr Houston, TX 77005

24. Specer Training Testing

(713) 334-1900

3303 Louisiana St Houston, TX 77006

25. Maverick Testing Labs

(281) 888-8210

10001 Porter Road La Porte, TX 77571

26. Associated Testing Laboratories

(713) 748-3717

3143 Yellowstone Blvd Houston, TX 77054

27. Intertek Testing Services

(713) 456-1100

3741 Ste Red Bluff Rd Pasadena, TX 77503

28. Ram Testing and Drilling

(713) 514-9333

5746 Corl St Houston, TX 77087

29. Mandes Garza Inspection & Testing

(713) 637-0602

14403 Unit Market Street Rd Houston, TX 77015

30. Mobile Health Testing Inc

(281) 485-7030

3430 Swensen Rd Pearland, TX 77581

31. Car-Ber Testing Services

(281) 848-2556

12727 Ste Featherwood Dr Houston, TX 77034

32. Primetime Occupational Testing

(281) 930-7153

11 Center St Deer Park, TX 77536

Call Us Today!

33. Harris Testing Laboratories Inc

(713) 237-9039

2502 Garrow St Houston, TX 77003

34. MedScreen Onsite Drug Testing

(713) 291-5796

8413 Harding St Houston, TX 77012

35. Hi-Tech Testing Service

(281) 478-6369

5006 Railroad St Deer Park, TX 77536

36. American Drug Testing

(713) 226-7847

407 Fannin St Houston, TX 77002

37. Geoscience Engineering & Testing, Inc.

(713) 861-9700

405 E 20th St Houston, TX 77008

38. Reliable Electrical Testing Services Inc

(281) 470-7387

502 N 8th St La Porte, TX 77571

39. Intertek Testing Services/Caleb Brett

(281) 452-1061

16025 Jacintoport Blvd Houston, TX 77015

40. Intertek Testing Services/Caleb Brett

(281) 452-1011

16640 Jacintoport Blvd Houston, TX 77015

41. Intertek Testing Services/Caleb Brett

(713) 844-3300

12973 Po Box Houston, TX 77217

42. Intertek Testing Systems-Cable Brett

(713) 534-0020

3741 Red Bluff Rd Pasadena, TX 77503

43. Houston Valve & Testing Company Inc

(713) 678-4200

4807 Clinton Dr Houston, TX 77020

44. Gene Matrix PGx DNA Genetic Testing

(281) 869-7705

700 Milam Suite 1300 Houston, TX 77002

45. Intertek Testing Services-Foreign Trade Standards

(713) 475-2082

3741 Red Bluff Rd Pasadena, TX 77503

46. ACT DNA Drug and Alcohol Testing

(832) 203-7645

5330 Ste Griggs Rd Houston, TX 77021

47. Family Tree Dna

(713) 868-1438

1445 Ste North Loop W Houston, TX 77008

48. Spark Med. Mobile, LLC

(888) 973-4205

Pasadena, TX 77502

49. Any Lab Test Now

(281) 888-5293

2282 W Holcombe Blvd Houston, TX 77030

50. Fastest Labs of Central Houston

(713) 510-3832

2117 Chenevert St Suite F Houston, TX 77003

Cleanest, Fastest & Friendliest Testing Labs.