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 proudly serviced Thunder Bay and its surrounding areas for over 35 years. As a general contractor specializing in heavy equipment earthwork, our company offers personalized service coupled with an exceptional level of workmanship.

We primarily service provincial and municipal governments as well as commercial clients in projects of varying size and complexity.

Our diverse portfolio encompasses a wide range of infrastructure accomplishments:

  • Roadway reconstruction and structural steel plate culvert installation for the Ministry of Transportation
  • Sewer and water main installation for rural municipalities
  • Sports track and field development for local school boards
  • Water system upgrades for Ontario Provincial Parks
  • Multi-use trail development for The City of Thunder Bay
  • Large area erosion control measures including hydroseeding/hydromulching for commercial and government organizations.

Each project undertaken by PNI Contracting Ltd. is marked by meticulous attention to detail, strict adherence to timelines, and an unwavering commitment to quality and safety.

At PNI Contracting Ltd., we are dedicated to delivering unparalleled service. Our compact size allows us to provide personalized, efficient, and cost-effective solutions, supported by a versatile team of skilled professionals.

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