Home About Products Services Resources Careers Contact Online Catalog ABOUT US Our Mission 1953 Ruben Dickman founded Dickman Industrial, an industrial mill supply house in Sidney, Ohio. 1975 Dickman Supply began building custom electrical assemblies to meet a growing customer need. 1986 Dickman Supply was purchased by Tim and Marla Geise. 1995 The custom assembly division was expanded to include wire harnesses and custom wire leads. 1996 Relocated Union City, IN store to Greenville, OH. 2001 Completed construction on new Greenville facility. 2001 To meet the growing needs of Dickman's northern customers, the Celina Branch was built. At the same time, the custom division was separated as a subsidiary of Dickman Supply and Electro Controls was born. 2008 Greenville completes 8,000 sq ft warehouse expansion. 2009 Dickman Supply launches the Green Energy Solutions Division (GES) to work with customers in meeting their green energy directives. 2014 Opening of new branch in Marysville, OH to serve Central Ohio market. 2017 Completed construction on new Marysville facility. 2019 Dickman Supply was taken over by Tim and Marla Geise's three sons, Chris, Kevin and Jason. Navigation Home About Services Resources Careers Contact Quick Links Cash Application Form Credit Application Form Job Account Setup Form Tax Exemption Form Linecard Contact Us Sidney: (937) 492-6166 Greenville: (937) 548-6103 Celina: (419) 584-1170 Marysville: (937) 738-7500

Home About Products Services Resources Careers Contact Online Catalog MAKING ORDERING EASIER Text In Your Order Today! At Dickman Supply you can now text any of our branches to submit an order or get a quote. An employee will work with you to get you anything you may need! Our Next Event Due to COVID-19, we have suspended all events at this time. Any changes to this will be posted here on our website. JOIN US Upcoming events Dickman Supply hosts an array of events including certification and code classes for your convenience, manufacturer training’s to keep up with the ever changing industry and our annual Customer Appreciation Cookouts. Check out our resources page for more information on all of our upcoming events. STAY IN THE LOOP Follow us on social media! Follow us on social media to stay up to date with the latest company news, updates, promotions and sales! Navigation Home About Services Resources Careers Contact Quick Links Cash Application Form Credit Application Form Job Account Setup Form Tax Exemption Form Linecard Contact Us Sidney: (937) 492-6166 Greenville: (937) 548-6103 Celina: (419) 584-1170 Marysville: (937) 738-7500