The Monahan Company is a diversified construction company with a wide range of corporate clients. Diverse business industries such as financial services, temporary staffing and light manufacturing have contracted with The Monahan Company to construct manufacturing, production and staff facilities. Founded in Detroit, Mich. in the 1920 s The Monahan Company has helped shape the city and its suburbs from homes for city leaders to churches for the facilities of the Detroit Archdiocese, from industrial parks and medical centers to corporate headquarters. The company has undertaken many projects including institutional, health care facilities, automotive retail facilities, government and corporate buildings. The Monahan Company corporate headquarters is located in Eastpointe, Mich.