We specialize in commercial office space, retail stores and restaurant kitchen exhaust. Our company has the capability to do repairs and upgrades such as flexible connection replacements, fire damper changes, automatic control damper installations duct repairs and re-mediate sound attenuation problems. Projects with difficult and overtime schedules are given our special attention. We can also provide Mechanical Contracting pricing (with our affiliate GSM Mechanical Corp) and have a Services Department (GSM Technical Service LLC).




100 Beadel Street

Brooklyn, NY 11222

718 - 486 - 6760

718 - 486 - 8249

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