Welcome to Workplace Screening Intelligence (WSI), your trusted partner for reliable drug screening, physical exams, and workplace testing services in Ontario, California. Whether you’re an employer seeking to maintain a safe and productive work environment or an individual needing a quick and confidential test, our facilities in Ontario, California are here to help.
Simplify your FMCSA Clearinghouse compliance with our end-to-end support for reporting, query management, and ensuring your business meets all federal requirements.
Name | Address | City | State | ZIP Code |
---|---|---|---|---|
WSI Testing Location | 1101 S. MILLIKEN | Ontario | California | 91761 |
WSI Testing Location | 1910 South Archibald Avenue | Ontario | California | 91761 |
WSI Testing Location | 2171 South Grove Avenue | Ontario | California | 91761 |
WSI Testing Location | 3550 E PHILADELPHIA ST | Ontario | California | 91761 |
WSI Testing Location | 402 S Milliken Ave | Ontario | California | 91761 |
WSI Testing Location | 59 S Milliken Ave | Ontario | California | 91761 |
WSI Testing Location | 601 South Milliken Avenue | Ontario | California | 91761 |
WSI Testing Location | 1236 Brooks Street | Ontario | California | 91762 |
WSI Testing Location | 754 N. MOUNTAIN AVE. | Ontario | California | 91762 |
WSI Testing Location | 990 Ontario Mills Drive | Ontario | California | 91762 |
WSI Testing Location | 2920 INLAND EMPIRE BLVD # 108 | Ontario | California | 91764 |
WSI Testing Location | 3200 Inland Empire Blvd | Ontario | California | 91764 |
WSI Testing Location | 750 N. ARCHIBALD AVE | Ontario | California | 91764 |