services

services
contributing to the welfare of others

http://www.asparis.net/lowerschool/5thgrade/rome/dalton.org/Rome%20Map%20of%20Trade%20Routes.htm

http://en.wikipedia.org/wiki/Service

military service
fire service
police service
hospital service
health
religious service
armed service
utility service
teaching service
banking service
customer service
transportation service
communication
insurance
broadcasting
government service