The National Corvette Museum's new CEO David Hill is facing criticism for abruptly closing down Mar-K, a classic trucks' restoration parts companyCustomers and employees of Mar-K were left in limbo, with some having paid in advance for parts that are not comingThe closure of Mar-K has impacted both individual customers and larger corporate customers like SummitThe National Corvette Museum has issued a statement acknowledging the allegations and is currently reviewing the situation