This advertising firm has grown to more than 12,000 associates, yet employees say that the company has retained its small-office feel. Operating in 55 different locations, Alliance Data boasts stock-matching options, the ability to work from home, college tuition reimbursement programs and on-site health screenings. “We have eight values that we live by: work together, communicate openly, build trust, innovate and create, teach and learn, give back to our community and most of all, have fun,” Senior Director of Operations Bev McMillan, who has been with the company for 27 years, said. “I do this on a regular lifestyle basis, so the fact that I can actually do that within the workplace is an added bonus.” The company also encourages employees to celebrate each other’s accomplishments. Using an online internal website similar to Facebook, employees can reward one another for a job well done with points. It allows you to “see what people are doing for others,” says chief accounting officer Laura Santillan. Employees can use the points to redeem gift cards or buy extra vacation hotel stays. Read the Great Place to Work review.