4311 — Demolition

OLOIER CONSTRUCT SRL

CUI: 17424698 · SRL · Arad

4311 Demolition

OMEX CONCIV SRL

CUI: 19138889 · SRL · Arad

4120 Construction of residential and non-residential buildings

ONASIA CONSTRUCT S.R.L.

CUI: 52569069 · SRL · Arad

4100 Lucrări de construcții a clădirilor rezidențiale și nerezidențiale

ONE BY ONE CONSTRUCT S.R.L.

CUI: 40730853 · SRL · Arad

4221 Construction of utility projects for fluids

ONEPROGETTOP CONSTRUCT S.R.L.

CUI: 50766323 · SRL · Arad

ONESIM IMPULS CONSTRUCT SRL

CUI: 34830769 · SRL · Arad

4120 Construction of residential and non-residential buildings

ONESIM TENCO CONSTRUCT S.R.L.

CUI: 39063900 · SRL · Arad

4120 Construction of residential and non-residential buildings

191,5 K RON · 2 employees (2025)

ONESSA CONTRACTORS SRL

CUI: 33853489 · SRL · Arad

4100 Lucrări de construcții a clădirilor rezidențiale și nerezidențiale

ONESSA REAL ESTATE CONSTRUCTION S.A.

CUI: 40070773 · SA · Arad

4100 Lucrări de construcții a clădirilor rezidențiale și nerezidențiale

ONISIM MODERN HOUSE S.R.L.

CUI: 41369480 · SRL · Arad

4120 Construction of residential and non-residential buildings

ONNY-ARCHI-PROCONSTRUCT S.R.L.

CUI: 54672400 · SRL · Arad

ONYX CAFFÉ & BAR LOUNGE S.R.L.

CUI: 42650289 · SRL · Arad

4120 Construction of residential and non-residential buildings

0 RON (2025)

OPREA CREATIV CONSTRUCT S.R.L.

CUI: 44870647 · SRL · Arad

4120 Construction of residential and non-residential buildings

0 RON · 1 employee (2025)

OPREA GRANDE CONSTRUCZIONI SRL

CUI: 17418033 · SRL · Arad

4941 Freight transport by road

OPTIM BPS S.R.L.

CUI: 40063890 · SRL · Arad

2361 Manufacture of concrete products for construction purposes

3,1 M RON · 4 employees (2025)

OPTIM STRUCT CONSTRUCT S.R.L.

CUI: 50596547 · SRL · Arad

4120 Construction of residential and non-residential buildings

OPUS MAIOR SRL

CUI: 32558324 · SRL · Arad

ORIENTALE SICULA S.R.L.

CUI: 44992962 · SRL · Arad

4120 Construction of residential and non-residential buildings

ORIENT CONSTRUCTIONS SRL

CUI: 29233292 · SRL · Arad

4120 Construction of residential and non-residential buildings

ORIPA SRL

CUI: 24153206 · SRL · Arad