• Revenue: $332 million
• Headquarters: Weston, Florida
• Number of employees: 1,734
• Millennial headcount: 25%
• Best Companies rank: 20
This HR and payroll software developer finds reasons to celebrate whenever possible and regularly sponsors cocktail hours and karaoke contests, as well as monthly birthday celebrations. CEO Scott Scherr has created a Silicon Valley culture in South Florida, in part through "48 Hours" events where employees can work on pet projects for a 48-hour period as long as it's related to company goals.
Says one employee: "I feel at home when I come to work, where everyone is happy to see me, and ready to help. I have never had a bad day of work at Ultimate. My manager is so personable and fun, while also having a sense of authority and management. I feel comfortable around her knowing she treats me with respect, and also trusts me to get the job done."