North American Partners in Anesthesia (Melville, N.Y.). North American Partners in Anesthesia is among the largest single specialty anesthesia and perioperative management companies in the U.S. NAPA takes company culture seriously, asking new hires to complete an assessment exam to ensure their character and values are a good fit. NAPA values promoting from within, developed leadership programs to cultivate talent and established the web-based NAPA University and NAPA Innovation Institute, a creative think tank encouraging employees to share their ideas. BrightScope named NAPA among the "Most Generous U.S. Companies with the Best 401(k) Plans" in 2014; last year the company's 401(k) program ranked in the top 15 percent of all plans in its peer group nationwide.