For 24/7 Emergency Response: (636) 243-1675 For 24/7 Emergency Response: (636) 243-1675 Reach Out to Our Pipeline Experts Contact Information 600 Hwy. HTroy, Missouri 63379 (636) 528-5863 Send Message To:INFOHRSAFETYREQUEST FOR PROPOSALEmailThis field is for validation purposes and should be left unchanged. Headquarters Headquarters Troy, MO 63379 (636) 528-5863 [email protected] Oklahoma Office 50101 W. Highway 33 Drumright, OK 74030 (918) 844-4428 [email protected]