Swiss-based refiner Petroplus
People from the team can't even pay their rents and bills because they're all very young, one source said.
Earlier this week, the debt-laden group moved into administration in Switzerland, Germany, France and the UK, defaulting on $1.75 billion (1.11 billion pounds) of debt.
Staff on the trading floor updated their profile pictures with burning wreckage and invited others to share our sorrows via their online status on the messaging system used to make deals.
Imagine, when I started in 2009, we had eight operating refineries, said one employee, who was also waiting for his January salary due earlier this week.
Workers said the Swiss government would pay a proportion of their salaries if the company failed to deliver, but it was not clear how much the state would cover, nor when payments would be received.
Administrators looking to monetise the company's assets will have to deal with a number of constituencies who are owed money, including employees, suppliers, lenders and bondholders.
The company and its subsidiaries have $1.75 billion in bonds outstanding, currently trading at between 27.96 and 33.75 percent of par, according to Reuters data, implying a total market value of around $500 million.
Petroplus was not immediately available to comment.
Adding to employee misery amid Petroplus' staff, competition for jobs in the business is expected to get tougher in the year ahead, as other oil refiners in Europe face trouble with vanishing refining margins and failing investments abroad.
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(Reporting by Jessica Donati and Zaida Espana; additional reporting by Martin De Sa'Pinto in Zurich; editing by James Jukwey)