COLUMBUS, Miss. (WCBI)– A Columbus company is saying thank you to its workers all week during an”Employee Appreciation Week.” Ecolab is hosting special activities for the 212 workers at the plant. Today was “Volunteer Day,” giving workers an opportunity to donate to charities who set up booths. Among them were the Lowndes County Humane Society and “Helping Hands”. The week will continue with a health and wellness day, parade of departments, and end with a picnic and games.