Building Smarter: your go-to source for constuction supply solutions

South Street Supply (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 connects general contractors and subcontractors with high-demand products across Divisions 7, 8, 9, 10, and 32. From doors and hardware to roofing systems, finishes, specialties, and exterior improvements we broker quality materials through a reliable network of suppliers. Our goal is simple: streamline your sourcing process and keep your projects on track.

    • Roofing materials (EPDM, TPO, shingle systems)

    • Waterproofing membranes

    • Sealants and caulking

    • Insulation (rigid board, batt, spray foam)

    • Custom tapered insulation

    • Commercial doors (wood, metal, fiberglass)

    • Hollow metal and aluminum frames

    • Door hardware (closers, locks, exit devices)

    • Specialty doors (access panels, security doors, fire-rated)

    • Interior and exterior paint

    • Primers, sealants, coatings

    • Floor coverings (vinyl, rubber, carpet)

    • Ceiling systems and drywall materials

  • 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

    • Landscaping materials (mulch, stone, edging)

    • Fencing and gates

    • Site furnishings (benches, bike racks, bollards)

    • Exterior signage and lighting accessories

  • 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 Brokering for Modern Builders

South Street Supply is a Boston-based construction supply broker 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.

Service Area:
We proudly serve general contractors and subcontractors throughout Massachusetts, Rhode Island, Connecticut, New Hampshire, Vermont, and Maine.