Profile: Great Northern Products, Inc. is an industrial E-commerce distributor specializing in engineered products for the processing and refinery industries. We offer non-destructive testing (NDT) inspection plugs, seals and labels, anti-vibration/noise control pad paks & oil and fluid view ports for monitoring oil levels in pipes & reservoirs. Our products are used for process safety management & mechanical integrity testing in refining, chemical, petrochemical, paper & pulp and food processing industries.