4331 — Plastering

JÁNOS ÉPÍTŐK S.R.L.

CUI: 51855275 · SOCIETATE COMERCIALĂ CU RĂSPUNDERE LIMITATĂ · Covasna

JBL LEHEL GRUP S.R.L.

CUI: 42442059 · SRL · Covasna

4120 Construction of residential and non-residential buildings

JBUILDWELL S.R.L.

CUI: 48362137 · SRL · Covasna

4120 Construction of residential and non-residential buildings

J&E BUILDING S.R.L.

CUI: 52128780 · SRL · Covasna

KALAKA CONSTRUCT S.R.L.

CUI: 48213828 · SRL · Covasna

KALAKA MEP S.R.L.

CUI: 48228861 · SRL · Covasna

4312 Site preparation

KALAKA PROJEKT S.R.L.

CUI: 41059889 · SOCIETATE COMERCIALĂ CU RĂSPUNDERE LIMITATĂ · Covasna

KALAKA STEEL S.R.L.

CUI: 48228837 · SOCIETATE COMERCIALĂ CU RĂSPUNDERE LIMITATĂ · Covasna

KASHI CURĂȚENIA ZILEI S.R.L.

CUI: 42329182 · SRL · Covasna

8121 General cleaning of buildings

KASLEDER-BAU S.R.L.

CUI: 39679846 · SRL · Covasna

4120 Construction of residential and non-residential buildings

KBK INSTALLBAU S.R.L.

CUI: 47391797 · SRL · Covasna

KBR CONVOY S.R.L.

CUI: 44465741 · SOCIETATE COMERCIALĂ CU RĂSPUNDERE LIMITATĂ · Covasna

4391 Roofing activities

KERTESZ - B SRL

CUI: 18507538 · SRL · Covasna

4399 Other specialised construction activities n.e.c.

KIADEL SRL

CUI: 24568467 · SRL · Covasna

4321 Electrical installation

1,8 M RON · 5 (2025)

KISS & DIT CONSTRUCT S.R.L.

CUI: 36381607 · SRL · Covasna

4120 Construction of residential and non-residential buildings

KISS KADAREK S.R.L.

CUI: 40588393 · SRL · Covasna

4322 Plumbing, heat and air-conditioning installation

KLEVERBAU-PALKO S.R.L.

CUI: 46824531 · SRL · Covasna

4120 Construction of residential and non-residential buildings

KNCZ CONSTRUCT S.R.L.

CUI: 39479856 · SOCIETATE COMERCIALĂ CU RĂSPUNDERE LIMITATĂ · Covasna

4120 Construction of residential and non-residential buildings

KOECHER CONSULTING SRL

CUI: 17616472 · SRL · Covasna

7022 Business and other management consultancy activities

KOMA SRL

CUI: 20999971 · SRL · Covasna

4329 Other construction installation