Great Lakes Biomedical is the industry leader in student drug testing, on-site drug testing, and employer based drug testing. Being an industry leader in drug and alcohol testing, we can design and implement policies and programs that work within your company or school district. Great Lakes Biomedical is there "When You Need To Know". We will design and develop policies and procedures for businesses and school districts that are proven to work. Great Lakes Biomedical offers 24 hour availability for onsite testing services. We will arrive onsite to perform drug and alcohol testing within your company or your school district. Being able to perform testing at your location greatly reduces costs incurred for testing.