5 contractor companies are registered in Gan Ner.
They are listed by contractor number, from the Registrar of Contractors' list of 8 November 2026, and a name opens that company's page in the company register.

These are the branches the contractors of Gan Ner are registered in.
Here is how many registrations each classification holds in Gan Ner.
- א11
- א21
- ב12
- ג12
- ג21
- טי סי מערכות חשמל בע"מ
Contractor number 26934
- Building Electrical א1
- מחפרון העמקים א ח א בע"מ
Contractor number 31051
- Road and Infrastructure ג2
- Water and Sewage Line ב1
- א דנן מערכות כיבוי אש בע"מ
Contractor number 34385
- Plumbing and Fire Systems א2
- גל מיה הנדסה בע"מ
Contractor number 37552
- Building ג1
- Road and Infrastructure ג1
- ג.נ שחקים הנדסה ועפר בע"מ
Contractor number 43392
- Earthworks ב1
All contractor branchesAll companies in Gan Ner
Contractors in other towns
The list of registered contractors is the Registrar of Contractors', in the Ministry of Construction and Housing, read on 8 November 2026. Names, phones, classifications and their dates are the list's own, and only companies are shown.