top of page



To offer professional drug, alcohol, and DNA testing services, support, training, and consulting, while providing accuracy, integrity, confidentiality, and commitment to our clients, partners, students, and community.  


Conveniently located inside the Enterprise Center in Sayre, PA, Twin Tiers is just a short drive from Routes 86 & 220. Twin Tiers Drug & Alcohol Testing offers a clean, comfortable environment for all you drug, alcohol, and DNA testing needs. We also offer nationwide consortium-third party administrative services, DOT compliance training, Certified Specimen Collector training to start your own business, supervisor and employee training, consulting, randoms management, instant testing products, and more. Twin Tiers Drug & Alcohol Testing, LLC specializes in mobile, electronic, on-site testing. We work with employers, attorneys, sports teams, families, local and state agencies, hospitals, public transit companies, and more.

Twin Tiers Drug & Alcohol Testing, LLC loves being a part of the community, and giving back locally, and globally. We are a part of the PA Adopt-A-Highway program, volunteer at local animal shelters, host semi-annual blood drives with the American Red Cross, have Christmas food drives for the local Salvation Army, donate annually to Operation Christmas Child, and 1% of annual gross sales to SUNY Broome Community College's Health for Haiti initiative. Health for Haiti makes at least two humanitarian trips to Haiti each year, to help rebuild this impoverished nation. So, every dollar you spend with us has a portion contributing to these causes.

Our Team
Jaime Hill, M.S., CCC-SLP

p: 570-888-8378

Jaime obtained a Masters of Science Degree from Marywood University in Speech Language Pathology, in 2005. She also holds Train the Trainer Certifications for Federal Drug and Alcohol Specimen Collection, and a Master Trainer Designation for the Intoxilyzer EBT system.  She has worked in clinical management as an SLP for 15 years.  In that time, she obtained the designation of Certified Brain Injury Specialist from the Brain Injury Association of America; and continues to hold that certification along with her medical licenses for New York and Pennsylvania.  Jaime has been recognized by the International Women's Leadership Association as a 'Woman of Outstanding Leadership'.  She has also worked on the medical team for the 'Health for Haiti' program through SUNY Broome Community College, and has traveled to Haiti with that team. 

Greg Locke, COO/CSO
CSC-CBAT/Master Trainer

p: 570-888-8378

Greg has held licenses with the Federal Government from the FCC, FINRA, and FMCSA.  He obtained his communications license from the FCC at age 14, and was the Assistant Chief Operator of one of the most powerful radio stations in the region by age 15.  At age 15 he started training new employees, and has trained new employees at every company he's worked at since. Greg has worked in the field of communications and public speaking, construction to include operation of heavy machinery, operations, and management, life insurance, food safety and restaurant management, and is a master carpenter.  He holds a Certificate from Broome Tioga BOCES in Practical Nursing, Train the Trainer Certifications for Federal Drug and Alcohol Specimen Collection, a Master Trainer Designation for the Intoxilyzer EBT system, and OSHA 10 Certificate.

Tyler Kwiatkowski
Certified Specimen Collector

p: 570-888-8378

Tyler is no stranger to hard work.  Growing up at one of the largest dairy farms in New York State, he has been working since he could walk. Over the years, he has mastered every form of heavy farm and construction machinery; so there was no doubt in his mind what carrier he wanted to pursue.  Tyler obtained his A.O.S. in diesel mechanics from Alfred State University in 2015 and is also New Holland Certified.  Currently Tyler is a systems support specialist and diary management tech for Dairy One; the largest automation and security company in the nation for dairy farming and agriculture.  He obtained his Certified Specimen Collector designation in 2017, and currently works part-time for TTDAT.

Kathie Hill, M.S.W.
Certified Specimen Collector

p: 570-888-8378

Kathie obtained her M.S.W. in Social Work from Marywood University in 2010.  Before that, Kathie had owned and operated a home daycare business for 15 years, while raising her family and attending school part-time.  She has held many positions at her local church and Christian Women's Club, and was Sunday School teacher for 10+ years.  Kathie is a master at work-life balance, and brings her unique skill set to every aspect of her specimen collector position.  She is currently working on becoming the sole manager of the randoms / consortium department at TTDAT.  Her outstanding commitment to her family and community has helped shape the way TTDAT does business today, and into the future. 

bottom of page