Ontario Certified OBT-1 Fuel System Inspection & Maintenance
Trusted by Ontario Businesses for Over 10 Years
SAO Contracting delivers TSSA-compliant installations, testing, and maintenance for diesel generators, fire pumps, and fuel storage tanks. Keep your facility safe, compliant, and ready for any emergency.
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OBT-1 Certified | PM3 Certified | TSSA Compliant | B139 Code | NFPA 20 Standards
SERVICES
Piping and Accessory Upgrades
Our technicians enhance operational efficiency by replacing piping sections, obtaining essential parts, and ensuring oil-fired appliance valves meet B139 Code. Large-scale operations like data centres, mining companies, and hospitals benefit from these upgrades. We thoroughly analyze the required work for seamless integration with your existing system, regardless of its size.
Fuel Tank Testing, Cleaning, and Installation (B139 Code Compliant)
Ontario businesses requiring diesel fuel tank services trust SAO Contracting for safe and code-compliant solutions. Our OBT-1 certified technicians provide above ground fuel tank installations, diesel tank cleaning, and inspections in compliance with B139 and TSSA requirements. We also assist with fuel oil delivery certificates, ensuring your storage tanks and generator fuel tanks meet Ontario safety and compliance standards.
Generator Exhaust Testing and Installation Services in Ontario
Proper generator exhaust systems installations and back pressure testing are critical for safety and compliance. SAO Contracting’s technicians provide NFPA and TSSA-compliant generator exhaust inspections, ensuring safe operation in hospitals, retirement homes, and other critical facilities. Our generator exhaust services include noise reduction, system optimization, and compliance with B139 and Ontario building code requirements.
Pump Setup and Installation
Damper Testing and Commissioning
Fuel Cleaning and Polishing for Tanks Under 100,000 L
Why Choose SAO Contracting?

Fully Certified & Code-Compliant
SAO Contracting’s OBT-1 and PM3 certified technicians ensure your systems meet strict B139, B138, TSSA, and NFPA requirements.

Comprehensive System Expertise
SAO Contracting manages the entire fuel system infrastructure, including the generator, fuel tanks, exhaust, dampers and piping.

Preventative Reliability
We mitigate risks and control costs through proactive annual maintenance, testing, and fuel polishing so your equipment performs as expected.
Our Service Areas
Serving commercial and industrial facilities across the province:
Eastern Ontario:
Ottawa & Surrounding Areas
Central & Southern Ontario:
Toronto, London & Surrounding Areas
Northern Ontario:
Timmins, Sudbury, Thunder Bay, Sault Ste. Marie
What Our Clients Say
“Polished almost 50,000 liters of diesel fuel… safe, efficient, and completed the job on time and on budget. An absolute pleasure to work with.”
“Prompt attention… accompanied by a vast amount of knowledge cultured by extensive years of experience in the trade. Highly recommended for your fuel systems needs.”
“Scott is very knowledgeable, prices are very good, components are from reputable manufacturers… excellent communication.”
