Service: If not better covered below, services could include anything from escorts, to pest control, to armed security, to manufacturing.
Transport: This category includes tourism, vehicle sales & service, buses, limousines, taxies, horses, aircraft, boats, etc.
S & T: This stands for “Science & Technology”, and encompasses computers, Internet, quality audio visual recording, industrial automation, scientific theory, etc.
Eating: All types of food stuff is here; farms & production – distribution – markets & sales – restaurants.
Shop: Unless covered better in another category, look here for vendors of any kind here – particularly craft shops and sales of locally made products.
Help: Missions, clinics, information services, churches, outreach efforts and such are all available under this heading.
Art: The expression of self. Photography, music, poems, paintings, plays & theater, crafts, dance.