The 25 major US companies with the happiest employees

Located: Roseland, New Jersey

Employee quote: "We are a family at ADP and that encompasses all business units! It is truly a wonderful place to work!"

Located: Ambler, Pennsylvania

Employee quote: "It's so positive and exciting, there is always a buzz. I'm never afraid to share a new idea or try something different, everyone is challenging and supportive in the best way!"

Located: New Britain, Connecticut

Employee quote: "Everyone genuinely cares for one another, and motivates each other to work towards a common goal."

Located: Boston, Massachusetts

Employee quote: "Positive upbeat people, people take an interest in knowing, connecting and supporting one another. High level of integrity, kindness, and helpfulness, a true team. We have amazing in office perks like healthy snacks, gym, yoga, kombucha on tap, healthy cafe, nice seating areas, and massage chairs."

Located: San Francisco, California

Employee quote: "The team environment: we love the industry and know that what we do is making a bigger impact on the world."

Located: Mountain View, California

Employee quote: "We care about each other and our teams. We listen. We're positive. We LOVE our customers."

Located: Atlanta, Georgia

Employee quote: "The family-like environment. It's a priority to engage with anyone I see throughout the hallway, on the elevators or parking decks whether they are patients, families or colleagues. I love the beauty of being able to display who I am which is one who meets no stranger."

Located: Irvine, California

Employee quote: "Our vision, Smiles for Everyone, means more than giving people pretty smiles. It means everyone the organization interacts with should feel as if they got a good deal. It's about everyone feeling like a winner. And we have a lot of fun!"

Located: Dallas, Texas

Employee quote: "Our Legendary SWA Culture is still alive and going strong for almost 50 years! I think the most positive aspect of SWA Culture is that it brings us all together as a Family. Our Leaders not only encourage Employees to participate in Culture activities, they participate as well! We are all equal!!"

Located: Sunnyvale, California

Employee quote: "Everyone is hands on and go above and beyond to help out. Even though we're in a fast paced environment, they take the time to be friendly, encouraging and motivate you constantly."

Located: Mountain View, California

Employee quote: "It's overall atmosphere, it's hard to describe, you just really love working here and as you're leaving, you're already looking forward to coming back."

Located: Provo, Utah

Employee quote: "The culture is one of doing your best, but people and managers are very aware that everyone has personal lives and families. While people are expected to drive hard, they aren't expected to sacrifice personal or family time. The company even makes time in the workday for diversity discussion groups."

Located: Waltham, Massachusetts

Employee quote: "The culture at Dynatrace is dynamic! Everyone is approachable, friendly and helpful to one another. We know how to work hard, but have fun together too!"

Located: San Francisco, California

Employee quote: "We are excepting of all cultures and we do what is best for our customers and employees. If there is a mistake made we try to get in front of it; see what went wrong, see how we can fix it, and make sure we put something in place so that that issue doesn't arise again!"

Located: Bellevue, Washington

Employee quote: "Everyone brings a different piece to the team and is like a big family. If one person wins, we all win. If someone needs help there is always more than 1 teammate there to help!"

Located: Atlanta, Georgia

Employee quote: "It's a culture of support and growth. The people around you want your success and want your happiness, and want to do what they can to help you achieve your goals. Having fun at work is encouraged, and those same people you have fun with will hold you accountable to get the job done."

Located: San Antonio, Texas

Employee quote: "A heart for people. Everyone knows and values each one's role. Each and every person counts. Diversity is in every thread of our culture."

Located: Lehi, Utah

Employee quote: "My team makes me the happiest at work. Having a safe place at work to do my best is very important to my success."

Located: New York City, New York

Employee quote: "I feel like I make a change, I matter. I get to do things that excite me. I love the company and the values it stands for."

Located: Redmond, Washington

Employee quote: "The facilities are amazing - it's like being at a resort compared to an office in some buildings."

Located: Cambridge, Massachusetts

Employee quote: "You are surrounded by remarkable colleagues who are incredibly smart, with different backgrounds, who are passionate about solving for the customer and love coming to work every day."

Located: Issaquah, Washington

Employee quote: "I really believe in what our company does and feel great about being a representative of those values. The values I carry at work are the ones I value most in life."

Located: Sunnyvale, California

Employee quote: "What makes me happy the most about my work is the sense of purpose and knowing I'm making a difference in the world."

Located: San Jose, California

Employee quote: "I love the innovative projects I work on and the ability to improve our customers' experiences."