Company Headquarters	Maintenance Shops
7136 S. Yale Ave., Suite 414 Tulsa, Oklahoma 74136 Voice 918.925.9739 Fax 866.534.4559 Toll Free 807.406.0058	Del City, Oklahoma Uniontown, PA
Field Offices
Wysox, PA Morgantown, WV	Pearsall, TX Cheyenne, WY
Field Management and Supervision
Ryan Nostrud Div. Mgr - West 405.203.8211 ryan.nostrud@hzmud.com	Jackie Strange Div. Mgr - East 352.328.0201 jackie.strange@hzmud.com
Justin Lawrence Western OK 570.250.6254 justin.lawrence@hzmud.com	Chris Sparacio Northeast PA 304.841.4199 chris.sparacio@hzmud.com
James Cropp Eastern OK 918.710.5720 james.cropp@hzmud.com	Meg Crackel Northwest PA 918.710.0814 margaret.crackel@hzmud.com
Gary Gibbs South Texas 830.317.7162 gary.gibbs@hzmud.com	Tammy Cricks Northeast WV/Southwest PA 304-841-2942 tammy.cricks@hzmud.com
Drew Kellar South and West Texas 405.323.0820 drew.kellar@hzmud.com	Don Boyce Rockies 701.301.1493 don.boyce@hzmud.com