Flatiron Construction
E902908
Flatiron Construction is a major North American heavy civil construction company known for building large-scale transportation and infrastructure projects.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Flatiron Construction canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11075212 — 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: Flatiron Construction Context triple: [Hochtief, subsidiary, Flatiron Construction]
-
A.
Manhattan Construction Company
Manhattan Construction Company is a major U.S. construction firm known for building large-scale projects, including prominent sports stadiums and public facilities.
-
B.
Tishman Construction
Tishman Construction is a major American construction management firm known for building prominent high-rise and large-scale commercial projects, particularly in New York City.
-
C.
McCarthy Building Companies
McCarthy Building Companies is a large U.S.-based construction firm known for delivering major commercial, institutional, and sports facilities projects nationwide.
-
D.
J. P. Stevens Construction Company
J. P. Stevens Construction Company is a construction firm best known for building the iconic Linn Cove Viaduct on the Blue Ridge Parkway in North Carolina.
-
E.
Tishman
Tishman is a prominent American real estate family name associated with major development and construction firms, particularly in New York City.
- 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: Flatiron Construction Target entity description: Flatiron Construction is a major North American heavy civil construction company known for building large-scale transportation and infrastructure projects.
-
A.
Manhattan Construction Company
Manhattan Construction Company is a major U.S. construction firm known for building large-scale projects, including prominent sports stadiums and public facilities.
-
B.
Tishman Construction
Tishman Construction is a major American construction management firm known for building prominent high-rise and large-scale commercial projects, particularly in New York City.
-
C.
McCarthy Building Companies
McCarthy Building Companies is a large U.S.-based construction firm known for delivering major commercial, institutional, and sports facilities projects nationwide.
-
D.
J. P. Stevens Construction Company
J. P. Stevens Construction Company is a construction firm best known for building the iconic Linn Cove Viaduct on the Blue Ridge Parkway in North Carolina.
-
E.
Tishman
Tishman is a prominent American real estate family name associated with major development and construction firms, particularly in New York City.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
construction company
ⓘ
heavy civil contractor ⓘ infrastructure construction company ⓘ |
| clientType |
government agencies
ⓘ
public infrastructure authorities ⓘ transportation departments ⓘ |
| continentOfOperation | North America NERFINISHED ⓘ |
| coreBusiness |
civil infrastructure construction
ⓘ
transportation infrastructure construction ⓘ |
| countryOfOperation |
Canada
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| focusArea |
aviation infrastructure
ⓘ
bridges and structures ⓘ mass transit systems ⓘ roads and highways ⓘ water-related infrastructure ⓘ |
| hasReputationFor |
complex, large-scale projects
ⓘ
heavy civil engineering expertise ⓘ |
| industry |
construction
ⓘ
heavy civil construction ⓘ transportation infrastructure ⓘ |
| knownFor |
infrastructure projects
ⓘ
large-scale transportation projects ⓘ |
| market |
infrastructure owners
ⓘ
public sector ⓘ transportation agencies ⓘ |
| operatesInSector |
civil engineering
ⓘ
transportation engineering ⓘ |
| projectType |
expansion of existing infrastructure
ⓘ
new construction ⓘ rehabilitation ⓘ |
| scale | large-scale projects ⓘ |
| specializesIn |
airport infrastructure
ⓘ
bridge construction ⓘ design-build projects ⓘ highway construction ⓘ public-private partnership projects ⓘ rail and transit projects ⓘ water and wastewater infrastructure ⓘ |
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: Flatiron Construction Description of subject: Flatiron Construction is a major North American heavy civil construction company known for building large-scale transportation and infrastructure projects.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.