PAI is a New Hampshire-based design/build firm with extensive experience in residential, commercial, and institutional project work. For more than 35 years, we've been providing skilled, creative and comprehensive services to clients throughout New England. From site assessments and master planning, to plant selection and perennial gardens, we produce enduring environments for discerning clients and exceptional properties. Every site has a special history, every project unusual conditions, and every client unique goals, desires and needs. Our landscape architects seek design solutions that unite all of these and reflect your unique personality and lifestyle for living or working.