• Plumbing

Lumber/Bldg Sply

Delivery available


Products & Delivery

  • Block
  • ​​​​Ready-Mix Concrete 

  •  Lumber

We have EVERYTHING you can think of! From coffee and fuel to plumbing and concrete! If you don't see it on the list, call and ask one of our friendly associates!

About Us


  • Electrical
  • Sand, Gravel, Mulch & More!

We have ready-mix concrete, pre-cast, lumber, stone, building supplies, plumbing, hardware, electrical, lighting, tools, paint, sack goods, and so much more! You'll find everything you need for your next project!

Marcon Building Supply, Inc (formerly Dennis Lumber & Concrete), has been serving the community since the 1920's! 


  • Pre-Cast

Purchasing good quality concrete and building materials at an affordable price shouldn't be stressful. That's why we are on a mission to make Marcon Building Supply Markleysburg your ONE-STOP SHOP where you can find all of your home project or construction products under one roof, all at competitive prices!

  • Hardware

Jubal and Jennifer Margroff purchased Dennis Lumber Co, Inc in 2015 with a vision. Since then they have not only added on to the hardware store but completely renovated it, rebranded, added new concrete mixer trucks, are adding a new rental division and are currently adding a new lumber building. Something tells me these go-getters aren't going to be stopping there! 

for ALL your construction product needs!

We are your

  • Building Supplies



You’ve made an important and wise decision by calling Marcon for your ready mix concrete, building materials and hardware needs!

Toll Free: 800-659-5543

We are expanding our lumber yard! We are currently installing a new 8600 sq ft lumber building at our Markleysburg location! We also offer block, gravel, mulch & more!

  • Tools

Come see our newly renovated hardware store at our Markleysburg location offering Valspar paint! We carry a full line of products including plumbing, hardware, electrical, paint, tools & so much more! 

Meet the owners. 

We have 2 concrete dispatch plants located in Markleysburg and Hopwood offering delivery to the Tri-State area. We manufacture retaining wall block, septic tanks & more! We also sell concrete tools with a new line coming soon!


Newly renovated store

Tel: (724) 329-5542