About Us

We prides ourselves on having the most knowledgeable staff in the Industry.


Our Services

  • Roof Top Delivery
  • Custom Cut Rubber
  • Complimentary Kitchen Design Service using 20/20 Design Software
to name a few


Our Products

  • Vinyl Windows
  • Vinyl Siding
  • Roofing
  • Kitchens
  • Decking & Lumber
to name a few



Address: 185 Union Avenue Providence, RI 02909-3097


Employment Opportunities

Check out our current job openings

Email: contactus@mjsupply.com


Contact Us

Email: contactus@mjsupply.com

Phone: 401.943.8600

Fax: 401.943.8605

About Us Icon

M&J Supply Company, Inc. prides itself on having the most knowledgeable staff in the Industry. We have long term employees which enables us to pass-on to our customers the experience and knowledge they have collected through their years in the industry. In all aspects of the business, from the inside and outside sales team as well as the warehouse supervisor, our staff averages over 15 years with M&J Supply and over 20 in the Industry.

Karen Cabral, Vice President, started with M&J Supply in 1979 and now oversees all aspects of the daily running of the Company. Our Senior Customer Sales/Service Manager, John Foley, has 40 years of experience in the industry and over 20 years of experience with us. Our Kitchen Design Staff also has over 20 years of experience.

Customers can work directly with the sales team who can help with their questions and service their needs. Our goal is to provide the best service and knowledge available to our customers and to have a long term relationship with them. We consider many of our customers to be like family and hope to add many more to the list in the years to come.

Our Services Icon

  • Roof Top DeIivery
  • Brake Rental
  • Custom Cut Rubber
  • Custom Length Gutter
  • Complimentary Field Measuring (Kitchen Design, Pre-Hung Doors, Vinyl Siding, Replacement Windows)
  • In-House Charge Accts
  • C.O.D. Deliveries
  • Credit/Debit Cards Accepted
  • Complimentary Kitchen Design Service using 20/20 Design Software

Our Products Icon


  • CERTAINTEED - Symphony, Grand Manor, Carriage House, Presidential Shake TL, Presidential Shake, Landmark TL, Landmark Pro, Landmark, Solaris, Highland Slate, Independence, Hatteras, XT-30, Xt-25, Winterguard, Roofers Select
  • GAF - Camelot, Grand Canyon, Country Mansion, Grand Sequoia, Slateline, Timberline Lifetime HD, Timberline HD, Marquis, Sovereign, Weatherwatch, Cobra, Shinglemate


  • New Construction Series - Solaris DH Series
  • Replacement Series - Solstice, Eclipse, Equator, Orion
  • Double-Hung, Casement, Awning, Hopper, Glider, Picture, Deadlite, Bay, Bow, Garden, Custom Designs


  • MASTIC - Cedar Discovery, Structure, Quest, Carvedwood, Barkwood, Liberty Elite, Charleston, Ovation, Mill Creek, Brentwood, Eclipse
  • MITTEN - InsulPlank II, Sentry, Highland, Cambridge, Oregon Pride, Southern Beaded, Grand River
  • ROYAL - Royal Woodland, Haven, Journeyman Select, Crown Select, Residential, Genesis, Royal Crest
  • NAILITE - Cape Cod Perfection, Perfection-plus Cedar, Roughsawn cedar, Hand-Split Shake, Hand-Laid Brick, Hand-Cut Stone, Scalloped Perfection


  • CERTAINTEED - Roofers Select, Winterguard, Shadowridge
  • GAF - Shinglemate, Weatherwatch, Timbertex
  • Underlayment paper, #15 & #30 Felts, Ice & Water shield, Valley and Step flashings, Lead flashing, Dripedges, Pipe Stack flashings


  • Designs & Styles for Every Taste & Budget
  • All Types Of Cabinets For All Types Of Applications - Kitchen Cabinets, Bathroom Vanities, Laundry Room, Home Office, Entertainment Centers, Computer Desks, Garage, Storage


  • EPDM .060 - 1Ox25’, 50,100 & Custom Lengths, Uncured Flashing, Seam & Cover Tape, Bonding & Splice Adhesives, Deck Plates, Screws, Termination Bar, Structodek, Edge Caulk, Water Cut Off
  • POLYGLAS Torch Down, Low Slope Peel & Stick


  • TYPAR & TYVEK Housewrap, P38 Fanfold Greenboard
  • SHELTERWRAP Expanded Poly-Styrene
  • CELOTEX High R Board, 5½” Sill Seal, Foundation Board


  • MASTIC Vinyl Triple 4”
  • ALCOA Vinyl Double 5”
  • ALCOA Aluminum Double 6”


  • ALCOA (.019”) Trim Coil 8’, l 12”, 14”, 24”
  • ALCOA (019”) PVC Striated 24”
  • ALCOA (.024k) 24”
  • ALCOA & ROYAL 24” Designer Colors


  • MASTIC Door Surrounds, Garage / Window / Door Mantels, Dentil Moldings
  • MID-AMERICA Light I Hose / Electrical I Foundation / Exhaust / Dryer Mounting Blocks
  • FYPON Sunburst, Surrounds, Accents


  • TAPCO Brakes& SidingTools, MALCO Hand Tools
  • Complete Stocking Line of ALUM-A-POLE, Roof Strippers, Ladders, Torches, Magnetic Sweepers. Air Hose Caddy
  • QUAL-CRAFT Harness Sets, Snips. Utility Blades Chalk Lines, etc


  • GE Silicone, PHENOSEAL, GEOCEL Flex Seal, DAP, LUMBERLOCK, MB Flashing Cement, Latex Caulk
  • OSI caulk to match vinyl colors, Concrete Cement, Edge Caulk, Water Stop, Quikrete Concrete & Mortar Mix


  • MID-AMERICA Ridge Master Plus, Hip Master
  • GAF Cobra Ridge Vent
  • CERTAINTEED Shingle Vent II
  • LOMANCO Roof Louvers, Soffit Louvers, Continuous Soffit Strips, Vented Dripedges
  • MID-AMERICA Rectangular / Round / Half-Round / Octagon / Round Top I Triangle Vinyl Louvers


  • MID-AMERICA Master Shutters, Open Louvered with Cathedral Top, Raised Panel, Style-A-Louver, Style-A-Panel, & Board-N-Batten Custom Shutters, Arch Tops, Transom Tops
  • 9 Custom Widths with Lengths 18” to 144”- I Week Availability
  • 17 Molded Through Designer Colors Plus Paintable


  • Galvanized & Hot-Dipped Roofing, Common, Finish, Duplex, Sidewall Shingle, Aluminum Siding, Stainless Steel Trim, Coil Roofing Nails,
  • Pneumatic Coil & Stick for BOSTITCH& PASLODE, Staples for ARROW T50, BOSTITCH 1128 & 1130
  • Convenient 5 lb. boxes, Joist Hangers, Spiral Deck, Drywall & Deck Screws, Underlayment, Stainless Steel Rink Shank, etc.


  • Decking / Railing: Composites - Kodiak Decking & Correct Deck CX - Cambara (Mahogany) & ACQ Pressure Treated Endurance Brand Reinforced Vinyl Railings & Components
  • Shingles: Red & White Cedar (Raw, Bleaching Oil & Clear Solution)
  • Clapboards: 1/2" x 6 "A" & Better Primed Finger Joined
  • Miscellaneous Lumber: Roofers, Ledger Boards, Common Pine, Furring & Primed Trim
  • Fasteners: Simpson Products, Pneumatic & Hand Nails, Galvanized Bolts
  • Azek - PVC Trimboards Quikcrete, Typar Housewrap and various building papers Custom Ordering for your special needs.
  • Doors Exterior: Therma-Tru, Masonite, Jeld-Wen, Simpson, Morgan, Rogue Valley Interior: Jeld-Wen, Rogue Valley, Masonite Patio Doors: Andersen, Vetter, Kolbe & Kolbe, Wasco, Peachtree
  • Windows - ANDERSEN, CRESTLINE, VELUX, ROTO, WASCO, Earthwise, BROSCO, PEACHTREE and Custom SizeClad Windows with Wood Interior

Directions Icon

From North: Take Rte 95 South to exit 22B (Routes 10 and 6). After approximately two miles the road will fork. Rte 6 is to the right and Rte 10 is to the left. Stay to the left onto Rte 10 and take your very first exit (Union and Huntington Ave). At the end of the Ramp turn right and M&J Supply is the first building on the right hand side.

From South: Take Rte 95 North to exit 16. Bear left off the exit ramp onto Rte 10 North. Follow Rte 10 Approximately two and a half miles to the Union Ave exit. At the end of the ramp turn left and M&J Supply is the first building on the right.

From West: Take Rte 6 East toward Providence. Exit/merge right onto Rte 10 South. Take the very first exit (Union and Huntington Ave). At the end of the exit ramp, turn right onto Union Ave. M&J Supply is the first building on the right.

From East: Take Rte 195 West toward Providence. At the end of 195 bear right at the fork onto Rte 95 North. Take Exit 22B (Routes 10 and 6). After approximately 2 miles the road will fork. Rte 6 is to the right and Rte 10 is to the left. Stay left onto Rte 10 and take your very first exit (Union and Huntington Ave). At the end of the Ramp turn right and M&J Supply is the first building on the right hand.

Employment Opportunities Icon

Contact Us Icon

  • Address: 185 Union Avenue Providence, RI 02909-3097
  • Hours: Mon-Fri 7am-430pm | Sat 7am-12pm
    During Winter Months please call first on Saturday to see if we're open.
  • Phone: 401.943.8600
  • Fax: 401.943.8605
  • Email: contactus@mjsupply.com