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Castleton Commodities International

Castleton Commodities International (CCI) is a global trading and investment firm focused on energy and commodities markets. Headquartered in Stamford, Connecticut, CCI trades physical and financial products across oil, natural gas, power, and metals. The firm also owns and operates energy infrastructure, including storage, transportation, and processing assets. CCI blends proprietary trading with strategic asset investment, and is known for its expertise in market fundamentals, logistics, and supply chain optimisation.

Open programmes (4)

Open earlier (4)

Summer Internships

Summer Analyst Internship Programme (Summer 2027)

FinanceRolling intake
Graduate Programmes

Trading Analyst Graduate Programme 2027

FinanceRolling intake
Off Cycle Internships

Principal Investments Intern (Fall 2027)

FinanceCloses 1 Dec 2026
Summer Internships

Principal Investments Intern (Summer 2027)

FinanceRolling intake