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Buffalo Concrete 
Do-Mor Excavating

Looking for a licensed and experienced professional to tackle a project? Get guaranteed quality results. We offer professional and reliable services for a wide variety of needs, working with the dedication and craftsmanship that has earned us a reputation for excellence with over 20 years of experience. Get in touch for a free estimate.

Cement Work

About Us

We Do Our Best

Since 2002, Buffalo Concrete & Do-Mor Excavating has serviced municipal, state, and federal projects, shopping centers, residential projects, and more. 

At Buffalo Concrete & Do-Mor Excavating, our clients are our number one priority and we go the extra mile to make sure they’re completely satisfied. With this service, we’re fully prepared to tackle even the most complex projects and stand by the exceptional quality of our work. Call us today and find out more about what we can do for you.

Dedication to excellence ensures our work is backed by a one-year guarantee of craftsmanship.  


Contact us today to learn more.


What We Offer

Buffalo Concrete is ready to fulfill your specific project’s needs. Whether you’re looking for a few helpful tips or need an experienced professional to fully manage a project — we’ve got the tools and experience to guarantee success. Browse through our services below, and get in touch for an estimate today.

Commercial Concrete

Efficient. Reliable. Exceptional.

  • Parking lots

  • Building slabs

  • Curbs

  • Gutters

  • New construction

  • Repair work

  • Concrete cutting


Residential Services

It’s All in the Details

You can trust your home with us.  Contact Buffalo Concrete & Do-Mor Excavating to discover ideas on how to update and improve your home. Being locally owned we understand the importance of a nice safe beautiful home for your family.  

  • Foundations

  • Walls

  • Driveways

  • Sidewalks

  • Steps

Luxury Home

Septic Systems

Dependable.  Fail-safe.

Don't cut corners where it counts.  Work with Buffalo Concrete & Do-Mor Excavating to make certain your property is up to code and has a smooth running septic system. We can install, repair, and replace your septic system!

Septic concrete services

  • Excavation

  • Installation

  • Commercial and residential

  • New construction sites

  • Mobile homes


Fondation Services

Sound.  Trustworthy.

Anything worth investing in should start with a firm foundation.  Contact Buffalo Concrete & Do-Mor Excavating to safeguard your home, commercial buildings, and structural projects. 

Professional foundation services and waterproofing. 

  • Floors

  • Walls

  • Interior

  • Exterior



"We Dig What We Do"

Start your project out right with Do-Mor Excavating.  They have qualified licensed and insured professionals available to answer any questions.

  • Commercial

  • Residential

  • Foundations

  • Trenches

  • Grading

  • Drain Tile

  • Waterproofing


Boiler Rentals

Time is Money

Need to expedite your projects to keep up with the constant demands of consumers wanting projects done faster? Extend your work season utilizing our three boilers.



Do you have a project in mind? Get in touch today and let our licensed experts help get the job done right.

Business hours:

Monday - Friday:

8:00 AM - 4:30 PM

(701) 663-5240

Fax. 701-663-5477

Employment Application

Email, Mail, or drop off Application


Buffalo Concrete 

2311 3rd St SE, Mandan, ND 58554

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