ECOPETROL S.A. business relationships

Companies named in ECOPETROL S.A.’s 20-F filed 2026-04-30, and public companies whose annual reports name ECOPETROL S.A.. Each link shows the sentence it came from. Scores are Engagemii’s AI visibility scores.

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AEO visibility: - / 10
AI naming: - / 100
Agent readiness: - / 100
AI adoption: - / 100

Named in ECOPETROL S.A.’s annual report 2

MSCI Inc. (MSCI)Customer6.6
“As of December 31, 2025, ISA's shares accounted for 9.08% of the total MSCI COLCAP index.” SEC filing
OCCIDENTAL PETROLEUM CORP /DE/ (OXY)Partner6.6
“In 2019, we began operations in the Permian Basin through a strategic alliance with Occidental Petroleum.” SEC filing

Companies whose annual reports name ECOPETROL S.A. 2

AES CORP (AES)names it as partner6.1
“In 2025, AES Colombia executed an investment agreement for a partnership structure with Ecopetrol S.A. in connection with these projects.” SEC filing
TENARIS SA (TS)names it as customer6.1
“Our principal customer in Colombia is Ecopetrol S.A. ("Ecopetrol"), to which we supply Rig Direct® services.” SEC filing

Links are read automatically from SEC annual reports (10-K, 20-F, 40-F). In a hand check of random links, about 8 in 10 were real business relationships, so every link carries its source sentence.