Aegean Marine's largest unsecured creditors are its bondholders.

The company, which declared chapter 11 bankruptcy Tuesday, has $94.5m in debt that matured last Thursday and another $172.5m coming due in 2021.

Those two figures are, by far, the two largest on the refueling company's unsecured claims list included on its petition filed in New York federal court.'

The company owes, contractually, another $20m to American Express Travel Related Services.

The only two other creditors that make it into the six-figures are Petrojam and BP Europa, which are owed $3.2m and $1.1m each.

Aegean Marine's other top creditors

CompanyTrade debt
Aegean Oil$475,6000
Port of Fujairah$395,792
Antipollution ANE$375,334

Source: New York federal court's bankruptcy division