Experienced. Professional. Exceptional.

PNI Contracting Ltd. has serviced Thunder Bay and its surrounding communities for over 30 years. We specialize as a general contractor in commercial and residential site development projects of varying size and complexity. PNI Contracting Ltd. is dedicated to providing an exceptional quality of service that is safe, efficient and professional.

30+ years
serving Thunder Bay
and Northwestern

About Us

A local option for Thunder Bay site preparation projects.

Established in 1986, PNI Contracting Ltd. has serviced Thunder Bay and its surrounding area for more than 30 years. As a small general contractor specializing in heavy equipment earthwork, PNI offers personalized service with an exceptional level of workmanship.

We service commercial, government, and residential clients in projects of varying size and complexity. A sample of our experiences at the commercial and government level include large commercial septic systems, forced main upgrades, large culvert installation, city recreational trail development and provincial park water system upgrades. We also provide hydroseeding/ hydromulching services.

At the residential level we are experienced in all phases of site development projects, from land clearing and demolitions to basement excavations and septic field installations. We also provide sand, gravel and topsoil deliveries, as well as equipment floating services.

PNI Contracting Ltd. is committed to supplying an exceptional quality of service. The small size of our company and the versatility of our skilled team means our clients receive service that is professional, efficient and affordable.

Our Services

A Wide Range of Services

Encompassing all forms of residential, commercial, and industrial earthworks, click the services below to learn more about what we offer.

Site preparation is integral for a solid foundation. Our experienced staff looks at the entire picture with the end result in mind. We work with clients to create cost effective solutions that are achieved through best practices for long lasting results, ensuring a good return on investment.

Commercial and residential septic solutions including traditional infiltrator designs or tertiary systems for tight space solutions. Fully licensed and certified On-Site Sewage System Installers.

PNI Contracting Ltd. can provide erosion control measures to protect susceptible areas from eroding away. Bonded Fibre Matrix, Erosion Control Blanket, and seed and mulch application through hydroseeding are a few of the preventative measures that PNI Contracting Ltd. can provide.

PNI Contracting Ltd. has experience installing a variety of culverts of varying sizes -- from traditional driveway and roadway culverts to concrete box culverts to structural steel plate culverts.

PNI Contracting Ltd. provides demolition services for residential and commercial buildings of various sizes in a safe, efficient, and environmentally conscientious manner. Site remediation subsequent to demolition is also available.

Call us at


Servicing Thunder Bay and Northwestern Ontario, PNI Contracting Ltd. is available for excavation jobs of all shapes and sizes.

We offer 24Hrs Emergency Services

We offer 24/7 Hrs Emergency Service

We offer 24Hrs Emergency Services

Work Hours

MON-SAT 8:00am-6:00pm,

Contact Info


40 Cooper Road,
Rosslyn, ON P7K 0E3