Greystone Energy Systems, Inc. Email Format

Appliances, Electrical, and Electronics ManufacturingNew Brunswick, Canada51-200 Employees

Greystone Energy Systems, Inc. is a Canadian manufacturer in the Appliances, Electrical, and Electronics sector that produces HVAC sensors and transmitters for Building Automation Management Systems. The company is based in Moncton, New Brunswick, at 321 Desbrisay Avenue, and employs 51-200 people, with reported annual revenue in the range of $25 million to $50 million. Greystone Energy holds ISO 9001 certification and maintains a Quality Management System aimed at ensuring product reliability. It has established a worldwide reputation as an industry leader through advanced design technology, prompt technical support, and on-time deliveries. In 2021, Bemsiq AB acquired Greystone Energy Systems, and a 2024 report notes that QEL would operate as a wholly owned subsidiary of Greystone. The company has grown its workforce through government payroll rebates in 2023 and was named a Preferred Vendor by Controls Group North America in January 2025.

Sign up for free to view info

Company overview Employee directory