Marsh Building Supply, 5320 E 25th St, Indianapolis, IN 46218, US

Spohn Associates, founded in 1976, is a full-service manufacturer of custom architectural building products. It has a staff of more than 10 trained professionals who offer custom design and development, product handling and customer support services. The company is affiliated with the Construction Management Financial Association, Construction Specification Institute, Indiana Constructors Association, Indiana Roofing Contractors Association, Metro Indianapolis Coalition for Construction Safety and Design Build Institute of America. Spohn Associates serves the commercial, industrial and institutional markets. The company provides a range of spiral and circular stairs, handrails, railing systems, pre-insulated metal panels and doors. In addition, it offers a variety of windows for indoor and outdoor applications.