The Jamar Company is a specialty contractor headquartered in Duluth, MN, with offices in Green Bay, WI, and Escanaba, MI. For ... more than 100 years, Jamar has built a reputation as a solid partner delivering solid solutions. As part of APi Group, Jamar has a rich set of resources to draw from. A diverse family of construction companies, APi Group provides a strong foundation for Jamar's expertise read more