9 contractor companies are registered in Ramat Yishai.
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 Ramat Yishai are registered in.
Here is how many registrations each classification holds in Ramat Yishai.
- א13
- א22
- א32
- א53
- אק1
- ב11
- ג15
- נקסטקום בע"מ
Contractor number 17803
- Steel Structure א2
- Building Electrical א5
- Communication Line א5
- and 1 more
- אנטנות הראל בע"מ
Contractor number 20570
- Steel Structure א3
- נקסטקום אנרגי בע"מ
Contractor number 28652
- Building Electrical א1
- Solar Energy א2
- מ ע א ביצוע ופרויקטים בע"מ
Contractor number 29496
- Building ג1
- Renovation א1
- Steel Structure א1
- and 1 more
- מפלס בנין ופיתוח בע"מ
Contractor number 31430
- Building ג1
- אור דוד בניה ויזמות בע"מ
Contractor number 31601
- Building ג1
- נקסטקום תקשורת בע"מ
Contractor number 39525
- Communication Line א5
- אס אם מרקוביץ בניה ופיקוח בע"מ
Contractor number 40300
- Building ג1
- Renovation אק
- אמביציה (י.זיו) בע"מ
Contractor number 43478
- Building ג1
All contractor branchesAll companies in Ramat Yishai
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.