Vocon, a leading architectural and interior design firm, was ranked 52 on The Zweig Letter’s Hot Firm List for 2008, a list that honors the 200 fastest-growing architecture, engineering and environmental consulting firms in North America and Canada.

Vocon was also honored as one of the top 10 small firms with a staff size ranging from one to 99. Winners were chosen based on combination of the firms’ percentage growth and dollar growth from 2004 to 2007.

The Zweig Letter is a weekly newsletter that provides business management information and advice to those in the architecture, engineering and environmental consulting industries.