Each year, inspectors from the International Organization for Standardization (ISO) visit SOR Inc. It’s their job to make certain that our manufacturing processes meet stringent goals for product quality and employee safety. SOR has earned the ISO 9001:2015 certification each year for the past decade. ISO certification ensures that we’re doing things right for our employees while creating the highest quality products for our customers.

Additionally, many other products are approved for ordinary locations and hazardous locations. Various protection concepts used include Intrinsically Safe (IS) and explosion proof/flameproof.

SOR offers Safety Integrity Level (SIL) certified products for its entire range of switches. SIL pressure and level switches are certified to the IEC 61508 safety standard.

SOR also regularly undergoes nuclear audits by NUPIC, NIAC and TSSA (CSA M 285.0).

As part of our commitment to quality, service and delivery, SOR Inc. holds the following:


Nuclear Certifications and Audits