Insurance provider Unum contributed more than $3.7 million last year to nonprofit organizations in Maine.

Employees of the Portland-based company also volunteered more than 32,000 hours with local charities, valued at more than $740,000, according to a press release from the company.

Unum primarily focuses its charitable efforts on supporting public education, as well as health and wellness initiatives and arts and culture. It also makes corporate donations to United Way.

The company, based in Chattanooga, Tennessee, employs about 3,000 workers in Maine.