1. Tri-State Contractors

(866) 458-8146

12465 Ste Mills Ave Chino, CA 91710

2. Enviro-Chem Inc

(909) 590-5905

1214 E Lexington Ave Pomona, CA 91766

3. National Electrical Testing

(909) 839-1894

20418 E Walnut Dr N Walnut, CA 91789

4. Asbestos Control Testing

(909) 946-3800

1777 Ste Woodlawn St Upland, CA 91786

5. Ontario Testing Center

(909) 937-3955

402 S Ste Milliken Ave Ontario, CA 91761

6. Fenestration Testing Laboratories

(909) 477-4343

10235 8th St Rancho Cucamonga, CA 91730

7. Advanced Analytical Testing Inc

(909) 947-5310

1616 E Francis St Ontario, CA 91761

8. Koury Engineering & Testing

(909) 467-0104

1236 Brooks St Ontario, CA 91762

9. Pomona Smog Test Only

(909) 620-7575

1097 W Mission Blvd Pomona, CA 91766

10. Outsource Testing

(626) 214-4800

1278 Center Court Dr Covina, CA 91724

11. Instek America Corp

(909) 591-8358

3661 Walnut Ave Chino, CA 91710

12. Pomona Smog Check

(909) 461-6945

604 W Holt Ave Pomona, CA 91768

13. CDL Random Drug & Alcohol Testing Services

(424) 444-6615

1285 Bixby Dr City of Industry, CA 91745

14. Terrys Testing Inc

(909) 364-8153

4774 Murietta St Chino, CA 91710

15. Titans Compliance Testing

(909) 981-5935

5549 Arrow Hwy Montclair, CA 91763

16. Boshart Automotive Testing Services

(909) 212-6719

1840 S Carlos Ave Ontario, CA 91761

17. Orange County Testing Services

(714) 993-1354

982 Spyglass Pl Placentia, CA 92870

18. Clean Air Testing

(626) 857-0218

715 E Route 66 Glendora, CA 91740

19. Advanced Analytical Testing

(909) 476-6413

10572 Acacia St Rancho Cucamonga, CA 91730

20. Atlas Testing Labs Inc

(909) 373-4130

9820 6th St Rancho Cucamonga, CA 91730

21. Real Occupational Testing

(909) 937-3224

4045 E Guasti Rd Ontario, CA 91761

22. Atlas Inspection & Testing

(909) 444-9884

929 Fairway Dr Walnut, CA 91789

23. Mkh Testing & Inspection Inc

(714) 255-2900

420 W Ste Lambert Rd Brea, CA 92821

24. Fenagh Engineering and Testing

(909) 587-6374

9070 Center Avenue Rancho Cucamonga, CA 91730

25. SOCAL Carbon Monoxide Testing

(844) 487-7254

Corona, CA 92880

26. Doctors Choice Sleep Testing

(714) 672-5337

2228 N State College Blvd Fullerton, CA 92831

27. Kean Tan Laboratories

(909) 860-1825

640 N Diamond Bar Blvd Diamond Bar, CA 91765

28. California Drug & Alcohol Testing Alliance

(909) 982-8409

334 N Euclid Ave Upland, CA 91786

29. City & County Soil Engineering & Testing

(909) 930-5868

2324 S Vineyard Ave Ontario, CA 91761

30. Complete COVID-19 Testing Center

(909) 237-8735

9591 Foothill Boulevard Rancho Cucamonga, CA 91730

31. Brown Brothers Backflow Testing, Inc.

(626) 858-9696

West Covina, CA 91791

32. Chino Labs

(909) 590-5050

3917 Schaefer Ave Chino, CA 91710

33. Epic Hearing

(909) 718-8400

3191 W Temple Ave Pomona, CA 91768

34. Enviro-Techs Ecs Inc

(909) 944-2693

10428 Foothill Blvd Rancho Cucamonga, CA 91730

35. Welding Skills Testing and Training Center

(909) 476-4149

9216 Center Ave Rancho Cucamonga, CA 91730

36. Marie C. Brown Diagnostic Testing & Tutoring

(626) 332-3002

750 Ste Terrado Plz Covina, CA 91723

37. Jl Mold

(909) 941-3148

9500 Ste 7th St Rancho Cucamonga, CA 91730

38. Consolidated Laboratories Inc

(626) 915-8991

732 Arrow Grand Cir Covina, CA 91722

39. MLA Environmental, Inc

(310) 955-1088

Chino, CA 91710

40. West Coast Hydro

(909) 985-8272

1369 W 9th St Upland, CA 91786

41. Green Home Solutions TrueEnviro Southern California

(909) 320-2861

4650 Arrow Highway, Suite G-11 Montclair, CA 91763

42. Cablescan

(909) 483-2436

3022 Inland Empire Blvd Ontario, CA 91764

43. LabCorp

(626) 963-1302

210 S Ste Grand Ave Glendora, CA 91741

44. Immunalysis

(909) 482-0840

829 Towne Center Dr Pomona, CA 91767

45. Universal Systems

(714) 986-2250

1105 Las Brisas Pl Placentia, CA 92870

46. LabCorp

(714) 577-0065

1201 N Ste Rose Dr Placentia, CA 92870

47. Fastest Labs of Placentia

(855) 729-5554

1525 North Placentia Ave Suite I Placentia, CA 92870

Rapid, Reliable Results Backed By Technology

48. Gourmet Electronic

(626) 966-2019

706 E Arrow Hwy Covina, CA 91722

49. LabCorp

(909) 599-5383

1335 Ste Cypress St San Dimas, CA 91773

50. CareFirst Medical Group

(909) 773-0022

3550 E Philadelphia St, Suite 150 Ontario, CA 91761