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About Us



Callon Dietz has a rich history of surveying throughout Ontario. We begin a typical project by researching available records from many sources to ensure we have first-rate information and evidence to complete the project. We then choose only the best combination of equipment to finish the project safely, accurately and efficiently so that we deliver the best product to our clients.

Callon Dietz started in 1967 as T.O Callon Limited and changed its name when Terry Dietz became a partner. Expanding throughout the province to better service and reach our customers, Callon Dietz has offices in London, North Bay and Ottawa.




Lidar Mapping Illustration

THE MISSION STATEMENT


To provide a full range of world-class surveying, mapping and land information services to meet the expectation of domestic and international customers. In business since 1967, Callon Dietz Incorporated Ontario Land Surveyors is proud to be Ontario’s first ISO 9000:2008 registered land surveying company.


OUR COMPANY


Callon Dietz Incorporated has been a leader in the Ontario land survey industry for over 50 years. Established in 1967, our success is driven by our focus to provide quality and on-schedule service for our clients.

Today, Callon Dietz provides surveying, mapping, geomatics and land information services throughout Ontario from our three office locations: London, North Bay and Carleton Place (Ottawa-area). Our multiple locations allow us to service clients throughout Ontario efficiently.

Callon Dietz partners on a wide variety of projects including utility surveys, highway reconstruction programs, subdivision and condominium surveys, digital terrain modelling and mapping.


Committed to quality.

By its very nature, surveying is about quality management. That’s why Callon Dietz developed a rigorous quality assurance process that is continually reviewed by internal and external auditors to ensure compliance with ISO quality systems standards.

We have been ISO 9000 certified for over 20 years. Callon Dietz was one of the first survey firms in Canada to achieve this internationally recognized designation.


Depth of resources to deliver.

Callon Dietz has a depth of resources that is difficult for other land surveying firms to match. This allows us to ensure our clients’ project needs are met on-time and with confidence. We are a firm focused on land surveying, which is unique for a firm of our size in Ontario and provides us with a depth of expertise our clients can leverage.

Callon Dietz has 6 Ontario Land Surveyors (OLS), 20 two-person survey field crews, a team of 15 experienced CAD drafters, plus a project support team. In the event of short time frames, poor weather or other situations our extensive experience coupled with our strong resource pool allows us to reallocate staff to ensure our clients’ schedules are maintained.

We have a strong presence in the GTA and are cost competitive in the GTA market. Our three current office locations (London, North Bay, Carleton Place) work as a cohesive team to resource and deliver to our clients throughout Ontario.


Technology powered by experience.

Callon Dietz uses the latest technology to meet our clients’ needs for timely and accurate delivery. Field crews are fully equipped with robotic total stations, high accuracy GNSS receivers and the latest survey equipment accessories. We have our own LiDAR Mobile Mapping System (MMS) and Terrestrial scanning equipment. Our photogrammetric drone (UAS) completes our measurement options. The depth and breadth of equipment resources allows us to deploy the right tools, at the right time, for our clients.


Safety culture.

At Callon Dietz a core value is the health and safety of our employees, clients and the public. Our culture is one where all employees are aware that their health and safety is of highest concern. To support this, we have implemented a robust Occupational Health and Safety Management System that provides the structure and programs required to meet our core value of ensuring a safe and healthy workplace.

Callon Dietz is very proud have a health and safety program that has been certified by IHSA, Infrastructure Health and Safety Association, as being compliant with the COR™ standard.

The Certificate of Recognition (COR™) is nationally endorsed by participating members of the Canadian Federation of Construction Safety Associations. It provides us with an effective tool to assess our health and safety management system. COR™ has an independent 3rd party auditor verify that what is in the safety policy is being upheld in the field, alongside many other rigorous safety protocols.

To our employees, our achievement of COR™ reinforces our commitment through action of an already strong safety culture at Callon Dietz. All staff have embraced COR™ as our safety standard. This accomplishment was a team effort, and all staff contributed to this positive outcome.

To our clients, our achievement of COR™ demonstrates that our health and safety management system has been developed, implemented, and evaluated on an annual basis through internal and external audits. It demonstrates our values are aligned with yours: you value safety, and we value safety.


OUR PEOPLE


Developing Our People

Callon Dietz prides itself on building careers. Solid growth opportunities are available that provide progression from entry level to Senior Management positions. Our growth and development strategy involves defined practical experience, augmented with training programs to accelerate career progression.

Most of who we hire stem from the disciplines of:

  • Civil and construction Technologist/Technicians
  • Geodesy and Geomatics Engineering
  • Surveying Technicians

JOIN US!

We are always interested in talking to highly skilled individuals who share our mission and values. We welcome resumes from qualified applicants.

View and Apply for Jobs Here

Put your project in motion today and call on Callon Dietz to set up an appointment with one of our responsive and knowledgeable staff.



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Callon Dietz Incorporated
41 Adelaide St. North, Unit 1
London, Ontario  N6B 3P4

591 Main St. East, Unit 102
North Bay, Ontario  P1B 1B7

40 Bennett Street, Unit B
Carleton Place, Ontario  K7C 4J9