Salini Impregilo
E721562
Salini Impregilo is a major Italian construction and civil engineering company known for building large-scale infrastructure projects such as dams, highways, and railways around the world.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Salini Impregilo canonical | 3 |
| Salini Costruttori | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8251736 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Salini Impregilo Context triple: [Grand Ethiopian Renaissance Dam, designedBy, Salini Impregilo]
-
A.
Cantieri Riuniti dell'Adriatico
Cantieri Riuniti dell'Adriatico was an Italian shipbuilding and engineering company active in the early 20th century, known for constructing naval vessels and industrial infrastructure along the Adriatic coast.
-
B.
Leonardo S.p.A.
Leonardo S.p.A. is a major Italian aerospace, defense, and security company that designs and manufactures military aircraft, helicopters, electronics, and related systems.
-
C.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
-
D.
Hochtief
Hochtief is a major German-based global construction group known for large-scale infrastructure, engineering, and building projects worldwide.
-
E.
Fiat Ferroviaria
Fiat Ferroviaria was an Italian railway rolling stock manufacturer known for producing trains and rail vehicles used across Europe.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Salini Impregilo Target entity description: Salini Impregilo is a major Italian construction and civil engineering company known for building large-scale infrastructure projects such as dams, highways, and railways around the world.
-
A.
Cantieri Riuniti dell'Adriatico
Cantieri Riuniti dell'Adriatico was an Italian shipbuilding and engineering company active in the early 20th century, known for constructing naval vessels and industrial infrastructure along the Adriatic coast.
-
B.
Leonardo S.p.A.
Leonardo S.p.A. is a major Italian aerospace, defense, and security company that designs and manufactures military aircraft, helicopters, electronics, and related systems.
-
C.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
-
D.
Hochtief
Hochtief is a major German-based global construction group known for large-scale infrastructure, engineering, and building projects worldwide.
-
E.
Fiat Ferroviaria
Fiat Ferroviaria was an Italian railway rolling stock manufacturer known for producing trains and rail vehicles used across Europe.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
civil engineering company
ⓘ
construction company ⓘ |
| areaServed | worldwide ⓘ |
| country | Italy ⓘ |
| dateFounded | 1959 ⓘ |
| dateRebrandedAsWebuild | 2020 ⓘ |
| employs | thousands of employees worldwide ⓘ |
| focusArea |
energy infrastructure
ⓘ
sustainable mobility projects ⓘ transport infrastructure ⓘ water infrastructure ⓘ |
| formedByMergerOf |
Impregilo
NERFINISHED
ⓘ
Salini NERFINISHED ⓘ |
| formerName |
Gruppo Impregilo
NERFINISHED
ⓘ
Impregilo NERFINISHED ⓘ |
| founder | Lodovico Salini NERFINISHED ⓘ |
| hasMainShareholder | Salini Costruttori NERFINISHED ⓘ |
| hasOfficialWebsite | https://www.webuildgroup.com/ ⓘ |
| headquartersLocation | Milan NERFINISHED ⓘ |
| industry |
civil engineering
ⓘ
construction ⓘ infrastructure development ⓘ |
| languageOfName | Italian ⓘ |
| listedOn | Borsa Italiana NERFINISHED ⓘ |
| notableProject |
Al Bayt Stadium works (Qatar 2022 related infrastructure)
NERFINISHED
ⓘ
Cityringen Metro (Copenhagen Metro City Circle Line) NERFINISHED ⓘ Doha Metro (Qatar) NERFINISHED ⓘ Gibe III Dam NERFINISHED ⓘ Grand Ethiopian Renaissance Dam NERFINISHED ⓘ High Speed 2 (HS2) sections in the United Kingdom NERFINISHED ⓘ Italian high-speed rail lines NERFINISHED ⓘ Metro Line 3 extension in Riyadh NERFINISHED ⓘ Milan M4 Metro line NERFINISHED ⓘ Panama Canal expansion (locks contractor) NERFINISHED ⓘ Rogun Dam (Tajikistan) NERFINISHED ⓘ Sognefjord subsea tunnel projects feasibility (Norway) ⓘ |
| parentCompanyOf | Webuild Group subsidiaries ⓘ |
| rebrandedAs | Webuild NERFINISHED ⓘ |
| specializesIn |
airports
ⓘ
bridges ⓘ dams ⓘ highways ⓘ hydroelectric plants ⓘ large-scale infrastructure projects ⓘ metro systems ⓘ railways ⓘ tunnels ⓘ water treatment plants ⓘ |
| tradedAs | BIT:WHD ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Salini Impregilo Description of subject: Salini Impregilo is a major Italian construction and civil engineering company known for building large-scale infrastructure projects such as dams, highways, and railways around the world.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Salini Costruttori