Since 1915, Allen and Hoshall has been recognized as a premier design firm with an exceptional dedication to our clients. With a staff of nearly 100 professionals and registrations throughout the United States, our services reach nationwide as well as in Europe, Africa, Asia, Central America, and the Middle East. Our experience over the past 111 years has developed Allen & Hoshall into one of the area’s premier full-service firms offering engineering and architecture under one roof. Client fee