MSI Mechanical Systems, Inc. is a licensed, full service mechanical contractor specializing in HVAC service and
maintenance. From its compact and busy headquarters in Salem, N.H. MSI serves commercial customers throughout the New England region, where new construction is on an expanding and quickening pace.Company leader Brian Hooper also has a heart for the community, and students looking for careers. MSI Mechanical has 25 employees and currently hovers
around $10 million dollars in revenue each year. Growth is intentionally slow. “Our mission and philosophy,” Brian says, “is not to be the biggest HVAC company, but to the best.” In 2000, after five years in the field, Brian Hooper moved to the office to help carry the company into the future.