We are a mechanical and electrical engineering firm with a reputation for quality design and service. For 31 years, we have provided engineering services for industrial, commercial and institutional clients from our office situated in the Thousand Islands region of Eastern Ontario.

Our projects span over 3.7 million square feet of facility floor area including apartment buildings, offices, institutions, municipal stations, retail shops, industrial buildings, and retail locations.

Our designs include building services such as lighting and power distribution, emergency power, voice/data, fire detection and alarm, security, HVAC, plumbing, fire protection and sprinkler systems, storm & sanitary drainage, compressed air and natural gas distribution.  Our experience also includes such undertakings as feasibility studies, building condition audits, lightning protection, pre-start health and safety reviews, machine design, general drafting (CAD), and project administration.

We pride ourselves on providing efficient and cost-effective, detailed designs. We strive to provide excellent customer service with these key quality strategies:

  • Respond to client requests promptly;
  • Understand the scope of work and schedule;
  • Assign experienced designers to each task;
  • Maintain open communication with stakeholders;
  • Observe all applicable statutes, codes and regulations;
  • Subject all designs to review by specialist or professional engineer;
  • Provide fair remuneration and a safe working environment;
  • Develop respectful associations with complementary professionals;
  • Achieve continuous improvement through customer feedback and upgrading of skills.

DDDG Engineering services is the operating company name for D.D.D.G. Technical Services Inc. and holds a Certificate of Authorization from Professional Engineers Ontario.  D.D.D.G. Technical Service Inc. is registered under the laws of the province of Ontario. The corporation carries $1,000,000 per claim, $2,000,000 per policy period Errors and Omissions Insurance and $5,000,000 General Liability Insurance.

Our team looks forward to helping with your design and engineering needs.  Should you have any questions please contact the undersigned.

Kindest regards,
Donald D. De Groot, C.E.T.
DDDG Engineering Services