We Provide Drug Testing For Construction Sites Nationwide

Preferred Alliance Drug & Alcohol Program Administration For Construction Workers

About Preferred Alliance

Many companies in the construction industry are now implementing employee drug-testing policies. These policies are designed to keep the job sites safe for everyone, they can also improve a company’s productivity as well as their overall reputation. Companies that are known to drug test will attract employees who are confident they can pass the drug tests, but it will reassure future clients that they are working with a company that cares about a safe and productive work environment.

Implementing a drug-testing policy and system might seem intimidating, but that is where Preferred Alliance comes in. Preferred Alliance specializes in implementing and monitoring drug-testing systems for a variety of industries, including the construction industry. Once you make the decision to put a drug-testing policy in place, Preferred Alliance can help make it a reality.

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Why You Should Have a Drug-Testing Policy In Place

Having a drug-testing policy in place isn’t about showing a lack of faith in your employees, instead, it shows a commitment to safety. Having a drug-testing program in place shows employees, as well as future clients, that substance abuse will not be tolerated on the job and that your company is committed to keeping the job sites safe for everyone.

Having these policies in place will make it clear that your company has high employment standards and employees who know they will fail, likely won’t even comply which will save you time and money.

Construction Site Drug Testing In California

Why Choose Us

Preferred Alliance has been in the drug-testing industry for more than 40 years, working with a variety of industries. Our decades of experience means that we have built a reputation in the industry, but it also means that we have experience dealing with a variety of situations and that we are very familiar with current laws and legislation.

Workplace drug-testing in the construction industry is not federally or state-mandated, which means there are no standards to meet. This also means there are fewer guidelines available, which is why it is important to look to the experienced professionals for help. Preferred Alliance will help our clients design a system that works for them. We can test for several combinations of drugs, depending on which program we use.

What We Offer

This means that potential employees must pass a drug test before being hired. This policy can improve the quality of applicants.

Random, routine drug tests are a way of making sure that employees are not coming to work under the influence. Having a random testing policy in place can help keep employees on their best behavior and give potential clients peace of mind.

Testing after a workplace safety incident when reasonable suspicion exists is an important way of staying accountable, which will help improve workplace safety.

We can test for several combinations of drugs, depending on which system we use.

We have teams of qualified professionals who can travel to your company’s office to do the testing on-site, which can lead to less workplace disruption, though we need access to suitable facilities for this to be an option.

In addition, we also have access to a large number of testing facilities that can be used by our clients. This is ideal for clients who don’t have the necessary space, which is often a concern in the construction industry, but these sites can all be used for after-hours testing if necessary.

Drug Testing Can Be Complicated. Let Us Help You.

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Who We Have Helped

San Francisco Public Utilities Commission (SFPUC) has been working with Preferred Alliance for over 10 years. We have serviced them with unique reporting requests, onsite testing at the job site, and attended meetings where expert witness testimony was required.  We continue to work with the SFPUC on varies projects throughout Northern California.


“Merced County Schools Insurance Group has contracted with Preferred Alliance since DOT-compliance for our Member District’s commercially licensed drivers. The program has been seamless, and without exception, perfectly compliant and trouble-free.”

Terri Prichard, Merced County Schools Insurance Group

“DOT regulations are very complex with plenty of gray areas – one mistake can close us down. Preferred Alliance’s timely response and accurate information on how to manage the testing process has helped us achieve ‘letter-perfect’ compliance. We have had a great relationship for almost 10 years – there’s no reason to consider anyone else.”

Leroy Ehlers, Panella Trucking, LLC

“I have had the pleasure of working with Preferred Alliance for our seasonal drug testing needs since 1998. In our industry, we place high demands on our testing providers for flexible scheduling, quick turnaround, and competitive pricing. Preferred Alliance has consistently exceeded our expectations.”

Mike Kilpatrick, Del Monte Foods

Drug Testing in the Construction Industry

Employee drug-testing for the construction industry is not state or federally mandated, however, more and more construction companies are implementing drug-testing policies.

These policies help keep the job sites safe and the company accountable.

At a construction site having someone under the influence can be extremely dangerous and while nothing can eliminate that risk, having a drug-testing policy in place can significantly reduce it.

Because drug-testing for the construction industry isn’t federally or state-mandated, there aren’t the same guidelines that there are for other industries, though privacy and employment laws need to be taken into consideration. Because there is less structure, it can be confusing knowing where to start and that is where Preferred Alliance comes in.

We have experience working with many companies in the construction industry and helping them design a drug-testing system that works for them and we will put that experience to work on your behalf.

About Preferred Alliance

We Are Here To Assist You in Maintaining a Drug-Free Workplace!

We have satisfied thousands of clients during the last 40+ years. With our meticulous, fast, and effective drug testing protocols, we promise to meet the needs of your business. If you are a construction company and looking to implement an employee drug-testing program, Preferred Alliance is here to help.

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