5 contractor companies are registered in Gan Hadarom.
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 Hadarom are registered in.
Here is how many registrations each classification holds in Gan Hadarom.
- א11
- ג15
- ג51
- פי הנדסה ובנייה בע"מ
Contractor number 27386
- Building ג5
- א ש ע ס ייזמות ובניה בע"מ
Contractor number 29493
- Building ג1
- Road and Infrastructure ג1
- Bridge ג1
- אחים פרגי ע מ בע"מ
Contractor number 30092
- Building ג1
- איטידי מטאלס בע"מ
Contractor number 42256
- Steel Structure א1
- סקאנט פייל בע"מ
Contractor number 43055
- Building ג1
All contractor branchesAll companies in Gan Hadarom
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.