Massachusetts SDO-Certified MBE Materials Supplier — Supporting Division 7–10 and Beyond Across New England
South Street Supply LLC (SSS) partners with General Contractors and Subcontractors to deliver quality building materials and construction supplies when you need them. Let us handle the procurement and logistics so you can focus on building.
Diverse Materials
South Street Supply sources, purchases, and supplies construction materials to contractors across Divisions 7, 8, 9, 10, and 32. From doors and hardware to roofing systems, finishes, specialties, and exterior improvements we supply quality materials through a reliable network of suppliers. Our goal is simple: streamline your sourcing process and keep your projects on track.
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Roofing materials (EPDM, TPO, shingle systems)
Waterproofing membranes
Sealants and caulking
Insulation (rigid board, batt, spray foam)
Custom tapered insulation
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Commercial doors (wood, metal, fiberglass)
Hollow metal and aluminum frames
Door hardware (closers, locks, exit devices)
Specialty doors (access panels, security doors, fire-rated)
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Interior and exterior paint
Primers, sealants, coatings
Floor coverings (vinyl, rubber, carpet)
Ceiling systems and drywall materials
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Item description Toilet partitions and screens
Restroom accessories (grab bars, mirrors, dispensers)
Fire extinguishers and cabinets
Lockers and storage units
Signage (ADA, custom, directional)
Wall and corner guards
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Landscaping materials (mulch, stone, edging)
Fencing and gates
Site furnishings (benches, bike racks, bollards)
Exterior signage and lighting accessories
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Don’t see what you need? We’re a flexible sourcing partner with deep supplier relationships across all major construction categories. Just send us your specs, and we’ll get you a competitive quote fast.
let’s get to work
Ready to simplify your material sourcing?
Contact South Street Supply to learn how we can support your next project with fast quotes, competitive pricing, and dependable delivery. Whether you're bidding on a job or in need of hard-to-find materials, our team is here to help.
About SSS
Modern Materials Supplier for Modern Builders
South Street Supply is a Boston-based construction materials supplier focused on removing the logistical headaches from sourcing material. We work with general contractors and subcontractors across New England to ensure materials are delivered reliably and at competitive prices.
Our president brings real project experience to the table, having served as a project manager in the Boston construction industry. Through firsthand experience, we saw how outdated and inefficient material sourcing could delay jobs and inflate costs. That’s why we created South Street Supply: a simplified, modernized approach to getting the right materials, on time.
South Street Supply is proud to be certified as a Minority Business Enterprise (MBE) by the Massachusetts Supplier Diversity Office (SDO).
Service Area:
We proudly serve general contractors and subcontractors throughout Massachusetts, Rhode Island, Connecticut, New Hampshire, Vermont, and Maine.