We have several people that have multiple responsibilies, not titles. Normally, there is more than 1 person that can handle most issues.

Rob - Dedicated to field work, but sometimes get stuck in the office
Kathy - Billing & office
Tiffany - Assists office and field staff
Joe - CAD operator
Roy C- IT guru
Roy G - Service and Sales
Robert H - Field staff
Chandler - Field staff