Eaton Corporation announced it is studying efficiency at plants on Argyle Avenue and South East Avenue as the aerospace company works to get more competitive in a struggling industry.
Bankrupt airlines are putting pressure on suppliers like Eaton Corp for cheaper products.
Managers say efficiency studies are a normal part of business and it is too early to say whether workers should be concerned. However, given the company is already closing plants in Marshall and Saginaw, workers say they are worried.
A company spokesperson says it will let workers know the results of the study within a month.