The suits seek to resolve a dispute between the insolvent retailer and its consignment vendors over $85 million worth of goods on its shelves.
The call-center software company plans to execute a restructuring that would eliminate $320 million in debt and equitize another $60 million.
The operator of HomeTown Buffet and other chains says an $11.3 million court award in a food poisoning case prompted the bankruptcy filing.
The retailer plans to close 30% of its stores as it slims down to cope with increased competition and substantial debt.
The short-haul carrier says bankruptcy will allow it to renegotiate agreements with the larger airlines for which it provides regional flights.
The company has invested more than $3 billion in renewable energy projects in the United States.
The e-commerce startup was once valued at $2.7 billion but couldn't find customers for its mobile payments products.
The oil services provider is the first energy-related company to seek court protection this year as low oil prices continue to hit the industry.
Long-falling zinc prices cause a Pittsburgh metals producer to declare bankruptcy.
The filing apparently marks the end of founder Robert Sillerman's dream of creating a media empire based on electronic dance music festivals.