North Creek Analytical

ZRT Laboratory is an industry leader in hormone and wellness testing through the use of cutting edge technologies. ZRT Laboratory provides saliva, blood spot and dried urine testing.

Pyxis Laboratories came into existence on July 7th, 2008 when Coffey Laboratories was bought out by NRI, Inc Coffey Laboratories started buisness in 1978 and many of the staff stayed on during the transition to Pyxis Laboratories. We are a new company though, refocusing our efforts to better serve our customers with prompt, accurate results that you can count on. We have experience in a wide variety of analytical disciplines and can generally provide for all of your analytical needs.