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Leading Distributor of Commercial & Residential

Building Products

Merrimack Building Supply , Inc. is a leading distributor of commercial and residential building products. Established in 1985, Merrimack Building Supply ranks superior in the building materials industry due to its commitment of quality and service. Our major product lines include Drywall, Steel Framing, Insulation, Acoustical Ceilings, Plaster & Compounds, Exterior Finishes, Tools, Commercial Doors, Frames & Hardware and Division 10 products.

We have warehouses in New Hampshire, Massachusetts and Connecticut and deliver to anywhere in New England with our extensive fleet of boom trucks, box trucks and flat beds.

We offer many services in addition to delivery such as Estimating, EIFS Tinting, Door, Frame and Hardware Installation, and a Custom Hollow Metal Shop.

Learn / Grow / Inspire

Latest Blogs

New ROCKFON Plant Headed to Mississippi

Officials in Marshall County, Mississippi broke ground on a $42 million addition, which upon completion will become North America’s first ROCKFON plant. ROCKFON is the world’s leading provider of acoustic stone wool and metal ceiling solutions and suspension system


How To Handle Employee Problems On the Job Site

Allowing a single employee to get away with seemingly innocent tasks like showing up a few minutes late or taking an extra ten-minute break, all employees might feel compelled to do the same, and suddenly your project is spiraling out of control.


Essential Advice for Superintendents

Whether you’re new to supervising or a seasoned pro, it’s always important to learn and develop leadership skills to ensure a successful construction project. Here are a few nuggets of wisdom from Merrimack Building Supply to implement for your next build.