For all billing and correspondence inquiries:
P.O. Box 1287 Tarpon Springs, Fl. 34688
Phone (727) 943-7354 ~ Fax (727) 943-7316

24Hr. Phone • Toll Free 1-800-465-TEST ( 8378)
contact@langheier.com
1-800-INJ-TEST
1-800-465-8378