Tiffin is where your business should call home.

In the last four years, Tiffin and Seneca County have experienced tremendous growth and development, ranking in the top 10% of almost 600 similarly sized communities nationally for economic development for the last four years straight, and ranked in the top 10 twice.

The stats since 2014 are impressive:


1200+ jobs created

$275 million in new investment

300+ projects


Started in 1983, the Seneca Industrial and Economic Development Corp. (SIEDC) is a private, non-profit corporation dedicated to driving positive economic, downtown, and community development in Tiffin and Seneca County, Ohio, which consistently ranks among the top communities nationally for economic development. Learn more about the great things going on in Tiffin and Seneca County at www.senecasuccess.com.


SIEDC has a talented staff of four professionals who facilitate development projects and lead initiatives that make the community a great place to live and run a business. The organization also has a committed 26-member board of trustees and more than 60 public and private members (learn more).


David Zak

President & CEO

(c) 419.912.1150

Amy Reinhart

Downtown Main Street Manager
(c) 419.619.5517


The following is a quick “top ten” list of some of the most common areas of activity for SIEDC:

  • Incentive Programs
  • Property Searches
  • Planning & Strategy
  • Leadership
  • Real Estate Development
  • Research
  • Project Management
  • Promotion & Public Relations
  • Communication & Marketing
  • Grants

Bringing your business to the community?

Meet the leadership and project team that keeps the Seneca Industrial and Economic Development Corp. (SIEDC) running and learn about what they do.


Get started here
2016 Downtown Strategic Growth and Development PlanStrategic Downtown Planning Initiative 2010Application for Certificate of AppropriatenessABR Guidelines