TP Surveying
Total Precision
Surveying

Who We Are

About Us

TPS strives to record and deliver all necessary data to ensure accurate and informative deliverables in a timely manner. We utilize the most up-to-date technology for both field and office services to set the standards in survey techniques and quality assurance.

Combined with experienced personnel and the reliability of the latest technologies, our company provides a wide range of survey techniques in a safe and efficient manner.

Leadership

Deryck Dowding

Founder & Director

Gary Wilson

Director of Operations

Milestones & History

Three decades of serving the engineering, planning, and civil communities across Northern Ontario and beyond.

1995

Founded

Total Precision Surveying opens its doors in Sault Ste. Marie, ON — focused on equipment sales and field surveying for civil and mining clients.

2002

Authorized Service Center

Achieved authorized service center status for major surveying instrument brands, cementing our reputation for reliable calibration and repair.

2010

Hydrographic Expansion

Added hydrographic surveying and Seafloor Systems products to our portfolio, enabling clients on lakes, rivers, and coastal projects.

2015

TPS402JL Mining Program

Deployed over 60 TPS402JL instruments in underground mining operations across Canada — a landmark for precision in hostile environments.

2019

Drone & HDS Services

Launched full drone-based surveying (imagery, ortho-imagery, point clouds) and High-Definition Scanning (HDS) services.

Today

15,000+ Instruments Calibrated

Three decades of expertise, full-spectrum service, and a 98% first-time fix rate. Still family-operated, still field-focused.