4321 — Electrical installation

3NA COSAR INSTAL S.R.L.

CUI: 51520709 · SRL · Vrancea

4322 Plumbing, heat and air-conditioning installation

3 NEGRI S.R.L.

CUI: 45371459 · SRL · Iași

4939 Other passenger land transport n.e.c.

3N EPIC SOLUTIONS S.R.L.

CUI: 39270301 · SRL · Cluj

3-ON ASIST INSTAL S.R.L.

CUI: 45750363 · SRL · Cluj

4322 Plumbing, heat and air-conditioning installation

3Q ELSONET SRL

CUI: 18124141 · SRL · Bucharest

8020 Security systems service activities

3R BOUTIQUE APARTMENTS S.R.L.

CUI: 47968942 · SRL · Mehedinți

4120 Construction of residential and non-residential buildings

3R CONSULTING SRL

CUI: 15287438 · SRL · Bucharest

7112 Engineering activities and related technical consultancy

3 R PREMIER STAND S.R.L.

CUI: 51048879 · SRL · Bucharest

8230 Organisation of conventions and trade shows

3 RRR WORLD SRL

CUI: 36553125 · SRL · Vaslui

4399 Other specialised construction activities n.e.c.

461,1 K RON · 1 (2025)

3RTCI CONSTRUCT SRL

CUI: 27217525 · SRL · Satu Mare

4120 Construction of residential and non-residential buildings

3S ANTEPRIZA SERVICES & MAINTENANCE SRL

CUI: 32197033 · SRL · Buzău

3S CONSTRUCTII & INSTALATII SANITARE SRL

CUI: 37459313 · SRL · Bucharest

4322 Plumbing, heat and air-conditioning installation

3 SOLUTII IN CONSTRUCTII AHC S.R.L.

CUI: 38251450 · SRL · Cluj

4120 Construction of residential and non-residential buildings

3S SISTEME DE ACCES SRL

CUI: 21460818 · SRL · Bucharest

4652 Wholesale of electronic and telecommunications equipment and parts

3S-SMARTINVEST S.R.L.

CUI: 51671000 · SRL · Bucharest

8891 Child day-care activities

3UMF IDEEA-TRANS SRL

CUI: 28601256 · SRL · Bucharest

5320 Other postal and courier activities

3VOK AKTIV S.R.L.

CUI: 44216490 · SRL · Bucharest

7112 Engineering activities and related technical consultancy

3W CORPORATION S.R.L.

CUI: 48218035 · SRL · Constanța

7810 Activities of employment placement agencies

3W PROMOTER SRL

CUI: 22986617 · SRL · Sibiu

6311 Data processing, hosting and related activities

3XN CONSTRUCT MIRNIK S.R.L.

CUI: 45898883 · SRL · Mureș

4120 Construction of residential and non-residential buildings