The maker of design and engineering software gives employees a week off to volunteer and matches their charitable donations. “I feel like my contributions are always multiplied,” says Bonnie Willoughby, a customer education director. After losing a colleague to cancer in 2009, she organized a team of co-workers to participate in an indoor cycling fundraiser for cancer research. It raised $19,000 locally last year and drew participation from employees across the company. Read the Great Place to Work review here.