- Glass block supplier
- General contractor
- Gun shop
- Gas station
- Gemologist
- Gas installation service
- Gasfitter
- Graduate school
- German language school
- Garden machinery supplier
- Graffiti removal service
- Gutter cleaning service
- Gospel church
- Graphic designer
- Glass shop
- Glass & mirror shop
- Glass cutting service
- Glass manufacturer
- Glass repair service
- Glazier