Julius Berger Nigeria PLC
E321870
Julius Berger Nigeria PLC is a leading Nigerian construction and engineering company known for executing major infrastructure and building projects across the country.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Julius Berger Nigeria PLC canonical | 4 |
| Julius Berger Investments Ltd | 1 |
| Julius Berger Medical Services Ltd | 1 |
| Julius Berger Nigeria Ltd | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3053915 — 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: Julius Berger Nigeria PLC Context triple: [Godswill Akpabio International Stadium, architect, Julius Berger Nigeria PLC]
-
A.
Nigerian National Petroleum Company Limited
Nigerian National Petroleum Company Limited is Nigeria’s state-owned oil corporation responsible for petroleum exploration, production, refining, and marketing within the country and abroad.
-
B.
Warri Refining and Petrochemical Company
Warri Refining and Petrochemical Company is a major Nigerian oil refinery and petrochemical complex located in Warri, Delta State, involved in processing crude oil and producing various petroleum products.
-
C.
Port Harcourt Refining Company
Port Harcourt Refining Company is a major Nigerian state-owned oil refinery complex located in Port Harcourt, responsible for processing crude oil into petroleum products for domestic use and export.
-
D.
Mobil Oil Nigeria
Mobil Oil Nigeria is a major petroleum marketing and distribution company operating in Nigeria as part of the global ExxonMobil network.
-
E.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
- 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: Julius Berger Nigeria PLC Target entity description: Julius Berger Nigeria PLC is a leading Nigerian construction and engineering company known for executing major infrastructure and building projects across the country.
-
A.
Nigerian National Petroleum Company Limited
Nigerian National Petroleum Company Limited is Nigeria’s state-owned oil corporation responsible for petroleum exploration, production, refining, and marketing within the country and abroad.
-
B.
Warri Refining and Petrochemical Company
Warri Refining and Petrochemical Company is a major Nigerian oil refinery and petrochemical complex located in Warri, Delta State, involved in processing crude oil and producing various petroleum products.
-
C.
Port Harcourt Refining Company
Port Harcourt Refining Company is a major Nigerian state-owned oil refinery complex located in Port Harcourt, responsible for processing crude oil into petroleum products for domestic use and export.
-
D.
Mobil Oil Nigeria
Mobil Oil Nigeria is a major petroleum marketing and distribution company operating in Nigeria as part of the global ExxonMobil network.
-
E.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
construction company
ⓘ
engineering company ⓘ public company ⓘ |
| coreBusiness |
design and construction of large-scale engineering projects
ⓘ
maintenance of constructed infrastructure ⓘ project management for infrastructure projects ⓘ |
| country | Nigeria ⓘ |
| foundedAs |
Julius Berger Nigeria PLC
self-linksurface differs
ⓘ
surface form:
Julius Berger Nigeria Ltd
|
| hasCapability |
construction management
ⓘ
engineering design ⓘ procurement ⓘ turnkey project delivery ⓘ |
| hasSubsidiary |
Julius Berger Nigeria PLC
self-linksurface differs
ⓘ
surface form:
Julius Berger Investments Ltd
Julius Berger Nigeria PLC self-linksurface differs ⓘ
surface form:
Julius Berger Medical Services Ltd
Julius Berger Services Nigeria Ltd ⓘ |
| headquartersLocation | Abuja ⓘ |
| industry |
civil engineering
ⓘ
construction ⓘ infrastructure development ⓘ |
| knownFor |
complex building projects
ⓘ
executing major infrastructure projects across Nigeria ⓘ large-scale civil engineering works ⓘ |
| legalForm | public limited company ⓘ |
| marketPosition | one of the leading construction companies in Nigeria ⓘ |
| notableProject |
Abuja Airport Expressway expansion
ⓘ
Gateway to Abuja ⓘ
surface form:
Abuja City Gate
Abuja Stadium (Moshood Abiola National Stadium) main bowl construction works ⓘ Airport Road corridor, Abuja ⓘ
surface form:
Abuja city road network (various phases)
Abuja–Kaduna expressway ⓘ
surface form:
Abuja–Kaduna–Zaria–Kano Road rehabilitation
Central Bank of Nigeria ⓘ
surface form:
Central Bank of Nigeria headquarters building in Abuja
Lagos–Ibadan Expressway corridor ⓘ
surface form:
Lagos–Ibadan Expressway sections (as contractor on some phases)
National Assembly Complex, Abuja ⓘ
surface form:
National Assembly Complex Abuja (construction works)
Nnamdi Azikiwe International Airport ⓘ
surface form:
Nnamdi Azikiwe International Airport Abuja terminal works
|
| operatesIn | Nigeria ⓘ |
| parentCompany | Bilfinger Berger SE (historical affiliation) ⓘ |
| servesSector |
private sector
ⓘ
public sector ⓘ |
| specializesIn |
airport infrastructure
ⓘ
bridge construction ⓘ building construction ⓘ industrial facilities ⓘ port infrastructure ⓘ road construction ⓘ turnkey engineering projects ⓘ |
| stockExchange |
Nigerian Exchange Group
ⓘ
surface form:
Nigerian Stock Exchange
|
| tickerSymbol | JBERGER ⓘ |
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: Julius Berger Nigeria PLC Description of subject: Julius Berger Nigeria PLC is a leading Nigerian construction and engineering company known for executing major infrastructure and building projects across the country.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Julius Berger Nigeria Ltd
this entity surface form:
Julius Berger Medical Services Ltd
this entity surface form:
Julius Berger Investments Ltd