Yengst Associates is a publisher of a periodical concerning the construction community that includes equipment market analysis, industry forecasts and profiles of companies. There is a subscription fee for the publication. The offices of Yengst Associates are located at 35 Old Ridgefield Rd.
Venture Development Corporation is a marketing-research company based out of Natick. It is located just off of Route 9 on Worcester Street, not too far from the bus stop nearby Math Works. Call the number listed to schedule a meeting.