Here are the COMANCO Supervisors celebrating accomplishments of the COMANCO employees: Julie Hughes – Fleet Supervisor, and Arnulfo Martinez- Field Superintendent, present Employee Anniversary certificates and gift cards to the employees they mentor and supervise. Justin Grenke-Liner Equipment Technician, and Manuel Solis-Liner Technician, have worked for COMANCO since 2009. As part of the COMANCO Anniversary and Professional development program, performance reviews are conducted by the Supervisors to mentor the COMANCO employees and help them achieve new professional heights!