"Native American Owned Business, Providing Excellence to Western North Dakota."

Legacy Onsite Testing Services, LLC

At Legacy Onsite Testing Services LLC, you are more than just a "customer" you're  our priority!

3/3/15 Update:

Legacy Onsite Testing Services LLC now has an office location in the heart of Killdeer!

Our new address is

42 Central Ave, Suite #2

Killdeer ND 58640

Hours : Appointment Preferred

Monday - Friday

7:00 am - 4:00 pm MT

Emergency Hotline : 701- 690 -7952

MHA TERO approved 100% Native American Contractor


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Legacy Onsite is still offering mobile/onsite drug and alcohol collections. Book your appointment with us today!