The services sector has several sub-category groups; many of the category groups include fairly well developed industries and undeveloped industries. Most of the fairly well developed industries have a broad spectrum of businesses ranging from the most developed to the least developed:
Hospitality
- Lodging - ranging from highly developed to undeveloped
- Restaurants - ranging from highly developed to undeveloped
- ...
Personal Services
- Health Clubs - a highly developed industry
- Beauty Shops - a highly undeveloped industry
- ...
Many others ...