Tillison said that as far as she knows, no one has ever complained. She attributed this to employees being respectful of coworkers whom they know are allergic.

"There is a chair in the condo for people who want to take breaks in there and spend time with the cats," she said. "My office mate is allergic, and I just make sure to wash my hands and lint roll before I go back to my desk, and he hasn't had any problems yet."