Who we are

We can dig it.

We’re local excavation experts who take pride in our work. You can trust us to get the job done right, on time, within budget, and ahead of schedule.

What we do

We are an experienced, local septic tank replacement and excavation company.

Sewer Replacement

We dig deep to deliver exceptional customer service and sewers designed for durability.

Septic Installation and Replacement

We’re the leading septic contractor in the Algoma region.

Site Preperation

Exceptional turnkey site preparation services.

Contracting Services

DNM Contracting offers many contracting services such as driveways, excavation services, gas line trenching, yard grading, retaining walls, and more!

Plumbing Services

DNM can take care of all your plumbing needs, including sump pump services, in-floor heating, hot water tanks, plugged sewers, bathroom renovations, furnaces, and new construction.

Why Choose Us

DNM Contracting Ltd.

DNM is proud to offer financing options for our residential and commercial customers. We understand that not everyone can afford to pay for large services upfront, which is why we’re now offering flexible payment plans. With our financing options, you can spread out the cost of your project over time and make affordable monthly payments. Contact us to find out more about what financing plans are currently available so that you can get the services you need right away.

Our focus on your needs is what sets us apart from other companies. We are dedicated to ensuring your complete satisfaction, so you can feel confident in the results once the job is done. 

Since 1994, DNM Contracting Ltd. has been servicing Sault Ste. Marie and surrounding area, becoming the Sault’s leading provider in septic tank excavation and sewer replacement. DNM is proud to offer excellent craftsmanship and unrivalled service. 

We strive to always be on time, ahead of schedule and plan according to your budget to ensure that you can stick to your construction schedule. 


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