| Building Excellence Since 1993

Who We Are

Granite State Specialties is New England’s premier supplier and installer of Division 10, 11, and 12 construction products, committed to structural integrity, safety, and turnkey execution.

| About GSS

Setting the
Standard in
Construction
Specialties

For over three decades, Granite State Specialties has partnered with the most respected general contractors, architects, and developers across the Northeast.

We don’t just supply materials; we engineer comprehensive, end-to-end solutions tailored to the exact specifications of complex commercial environments. From high-rise corporate fit-outs to expansive healthcare facilities, we ensure that every project phase is executed flawlessly.We don’t just supply materials; we engineer comprehensive, end-to-end solutions tailored to the exact specifications of complex commercial environments. From high-rise corporate fit-outs to expansive healthcare facilities, we ensure that every project phase is executed flawlessly.

Partner With Us

Our Capabilities

Industries & Expertise

Commercial & Corporate

Delivering high-end interior solutions, from acoustic operable walls to luxury toilet partitions, ensuring modern workspaces balance privacy with premium aesthetics.

Healthcare &
Education

Supplying durable, code-compliant materials including hospital curtain tracks, robust wall protection systems, and heavy-duty lockers designed for high-traffic public use.

Industrial & Scale
Builds

Executing large-scale deployments of safety essentials like fire and smoke curtains, wire mesh security fencing, and commercial-grade storage solutions.

Built on Trust

Our Track Record

Nationwide Supply

Our Proven Approach

End-to-End Solutions

Estimation

Our in-house team performs meticulous blueprint takeoffs, leveraging relationships with top vendors nationwide to provide the most accurate, comprehensive, and competitive pricing available.

Project Management

We eliminate logistical headaches. Our dedicated managers handle all submittal processing, material staging, and delivery tracking to keep your build precisely on schedule.

Installation

Professional deployment by OSHA-trained union and non-union experts. We ensure that every architectural product is installed safely, exactly to spec, and fully code-compliant.

Why Choose GSS?

The Granite State Advantage

Safety First (OSHA Compliant)

Every installer holds a minimum of 30 hours of OSHA training. Safety and compliance are our absolute top priorities on every active job site we step onto.

Turnkey Accountability

We don’t just act as a middleman. We manage the entire lifecycle—from procurement and logistics to final installation—providing you with a single point of accountability.

Nationwide Supply Network

While we are New England’s trusted installation experts, our robust logistics network allows us to expertly drop- ship specialized products to projects globally.

Unmatched Reliability

With a proven track record of success throughout Boston, New Hampshire, and the broader Northeast, we have the experience to get complex jobs done on time and on budget.

Ready to Engineer Your Next Build?

Partner with New England’s premier supplier and installer of construction specialties.

Contact Our Team

Granite State Specialties is New England’s leading supplier and installer of division 10, 11, and 12 specialty construction products.

Hours

Mon – Fri:
9:00 AM – 5:00 PM

Sat – Sun: Closed

Contact

10 Lane Road
Raymond, NH 03077

(866) 966-9113

info@granitestatespecialties.com


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