Come visit our Seneca showroom

Welcome to Marion Davis, A ProSource Company

Marion Davis, Inc has been acquired by ProSource, LLC, a leading wholesaler of plumbing, lighting and hardware supplies in the Carolinas. Joining forces broadens the product selections available to all locations, adding electrical supplies to ProSource, LLC. Click here to read the Press Release. 


   Discover what happens when you rely on MDI.  Our Easley and Seneca counter sales locations are staffed with people that speak the language.  The employees have the skill set to assist the professional contractor with complex problem solving as well as help the average homeowner fix a leaking faucet.  We strive to provide quick, efficient solutions for all of your electrical and plumbing needs.

   We invite you to visit or call one of our locations, spend some time with one of our knowledgeable sales associates.  Discover what happens when you rely on MDI.

Come visit our Easley showroom

Copyright © Marion Davis Inc. All rights reserved.


Plumbing, Electrical and Lighting Supplies

Your locally owned and operated supply house since 1953

Hours of operation:

Monday - Friday 8:00am - 5:00pm

Counter opens at 7:30am for contractors

Closed Saturday and Sunday

Call for Showroom appointments