M Co. started requiring more days in office from top managers last fall. Now it wants most workers to join them.

The Maplewood-based industrial giant started calling senior leaders back to the office three days a week last fall. This new ...

M told employees it will require all non-production workers to appear in person at least four days a week starting in September.

3M is the latest company to call its employees back to the office. General Mills announced in January that it was requiring ...