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Drug Testing, DNA Testing and Background Screening in Ontario, CA

Real Occupational Testing Services offers fast and reliable drug testing, DNA testing and employee background screening services to the Inland Empire community of Ontario, CA. Testing is available at our main office as well as on-site employee testing at any site you designate in Ontario or any other work site in San Bernardino County. For nine years Real Occupational has served Ontario businesses and individuals with affordable, state-of-the-art testing services.

With a population of 173,690 people and a growing number of businesses operating within the city of Ontario, individuals and business owners alike have come to depend on Real Occupational’s testing services. Whether it’s a small business screening employees or one of the many large transportation companies requiring tests for commercial drivers, Real Occupational meets the demand with prompt and cost-effective solutions.

DNA Testing in Ontario, CA

We offer residents of Ontario the most affordable, court admissible, AABB accredited DNA testing available with 99% accuracy guaranteed. We offer the following DNA tests:

Whether it's grandparents, aunts, uncles or parents, a variety of test options are available to determine any relationship. To schedule your DNA Test, please call 1-800-690-4DNA (4362) to speak to one of our knowledgeable and friendly DNA Testing Consultants.

Drug Testing in Ontario, CA

Real Occupational also offers professional offices, local schools and residents in Ontario the most complete and affordable drug testing and screening services in the Inland Empire, focusing on:

Our laboratories are SAMHSA (Substance Abuse & Mental Health Services Administration) Certified.

Employee Drug and Alcohol Testing in Ontario, CA

We offer the most affordable on-site drug testing to employers throughout Ontario. Testing effectively discourages drug usage in employees of every industry and workplace. For your convenience, our representative will come to your facility in Ontario to take the collections on your employees. On-site testing can be conducted on large groups while maximizing productivity and cost efficiency for your company.

DMV, DOT and Federal Drug Testing

If you operate a public transportation business in Ontario, you are required to comply with the US Department of Transportation. Real Occupational provides fast and affordable Federal Drug Testing, which is required of drivers operating buses, trucks, boats, aviation, railroad ships and vessels, pipeline and public utilities.

We also perform DOT / DMV Medical Exams for commercial drivers renewing or getting their Commercial Drivers License. For your convenience our Ontario clinic accepts walk-ins on weekdays and Saturdays with little to no wait-time and will give same-day DOT Certificates.

Real Occupational Testing Services has doctors on staff that will examine if applicants are physically qualified to perform required job duties.

Employee Background Screening and Background Checks in Ontario, CA

Real Occupational is proud to offer fast, affordable, and reliable employee background screening services. We offer many different types of background screens depending on your needs as an employer, including:

If you have questions regarding employee background screening or would like more information, please contact us.

Ink Card and Live Scan Fingerprinting Services in Ontario, CA

Real Occupational Testing Services provides the fastest, more accurate and convenient fingerprinting services to those in Ontario seeking to be fingerprinted by any federal or state agency or as a condition for employment. No appointments are needed. Our specially trained staff will assist with your paperwork, take your fingerprints and process the request.

We provide the following fingerprinting services:

If you have questions or would like more information about our fingerprinting services in Ontario, CA, please contact us.


The City of Ontario, CA is known as the Gateway to Southern California. One of the major centers of the Inland Empire region of the Los Angeles metropolitan area, Ontario operates as an important hub of transportation and shopping for San Bernardino and Riverside counties, as the Ontario Mills mall and Ontario International Airport are big draws to the city.

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Contact Us

Real Occupational Testing Services
4045 E. Guasti Rd. #215
Ontario, CA 91761
1-800-690-4362 | Email