ABG and WHP Global are seen as the front-runners in stalking-horse bids for the retail chain.
Brooks Brothers has also announced plans to close its three U.S. factories this summer.
While Saks Fifth Avenue, Richard’s and Alice and Oliva were open, many specialty stores such as Rag & Bone, J. Crew, Vince, Joie, Warby Parker, Club Monaco, and Brooks Bros. were still closed.
The retailer has been exploring options including a sale or a bankruptcy filing.
The retailer stopped designing and ordering this type of merchandise around a year ago.
As some clothing makers reorient production toward making masks and protective gear, they face more calls for workplace safety.
“There are so few apparel manufacturers in America and we feel strongly that it is our responsibility to help however we can with the resources we have,” said Brooks Brothers chief executive officer Claudio Del Vecchio.