For nearly a century and three generations of McCartin family leadership, Frank P. McCartin Co., Inc. (DBA Go Industrial Supplies) has supplied 14,000+ electrical, plumbing, steam, boiler, lighting, and industrial electronics SKUs from our trade counter and 4" pipe threading shop at 149 Congress Street, Lowell, MA.
1927
Founded in Lowell, MA (3 Generations)
14,000+
Stocked SKUs Across 325+ Brands
Up to 4"
In-House Pipe Cutting & Threading
FAC124 + MHEC
State & Municipal Contract Vendor
Our experienced Lowell counter staff cross-references electrical switchgear, commercial lighting, steam traps, and boiler specialties side by side under one roof.
Circuit breakers, fuses, switchgear, Liquatite conduit, explosion-proof fittings, motor controls, commercial LED retrofits, plus test meters and controls from Square D, Eaton, Siemens, Hubbell, Leviton, and 3M.
Barnes & Jones drop-in steam trap cage units, Armstrong, Hoffman & Spirax Sarco steam specialties, Weil-McLain & Burnham boilers, Taco & Bell & Gossett circulators, plus in-house pipe threading up to 4".
Municipal, campus, and warehouse LED retrofits, emergency egress units, HID/fluorescent ballast cross-references, and NHSaves & Mass Save utility rebate documentation support.
Search 325 authorized and legacy commercial/industrial manufacturer entries across our Electrical, Plumbing/Steam, and Electronics counters—including historic misspellings and discontinued lines (Electromode / Electramode, Liquatite / Liquidtite, Honeywell Micro Switch, Barber-Colman, Barnes & Jones, Tunstall, Killark, Ferraz Shawmut).
Custom electrical enclosures, pull boxes, wireway transitions, and fabricated panel modifications.
Electronic fluorescent, HID, and Signify/Philips LED replacement drivers and ballasts for institutional fixtures.
Specialized industrial control relays, pilot devices, and custom automation interfaces.
Specialty electronic connectors, adapters, test leads, and modular communications hardware.
Commercial master intercom stations, door entry audio/video systems, and call buttons.
Commercial air circulators, heavy-duty industrial exhaust fans, blowers, and motor-driven ventilation.
Rigid tubular steel conduit, EMT, elbows, couplings, and electrical metallic raceway products.
Non-metallic fiberglass electrical junction boxes, switch boxes, and NEMA 4X non-conductive enclosures.
Multi-conductor shielded electronic cable, hook-up wire, EcoWire, and heat-shrink tubing.
DIN-rail terminal blocks, miniature circuit breakers, industrial relays, and pin & sleeve devices.
Domestic electrical fittings, rigid conduit hardware, grounding clamps, and beam attachments.
Vintage hermetically sealed thermal delay relays, flashers, and timing circuits.
Maintaining a 1920s–1990s New England school, hospital, mill, water treatment plant, or housing authority? Select your component category below to see exact nameplate specs needed for a drop-in cross-reference and route directly to our Electrical/Controls Counter at (978) 454-9101 or Plumbing/Steam/Boiler Counter at (978) 454-7606.
Plumbing, Heating & Steam — (978) 454-7606 • PVF@goindustrialsupplies.com
We stock and cross-reference drop-in replacement steam trap cage units (Barnes & Jones, Tunstall, Hoffman) so your maintenance crew can renew failed traps quickly without breaking seized cast-iron union piping.
Because Massachusetts Operational Services Division (OSD) Statewide Contract FAC124 and Massachusetts Higher Education Consortium (MHEC) contracts G14 and G19 are already competitively bid, eligible municipal and state buyers can purchase covered supplies directly under the contract without running a separate local bid.
Open to all Massachusetts Executive Agencies, Cities, Towns, Public School Districts, Housing Authorities, and Water/Sewer Districts across Middlesex, Essex, Suffolk, Norfolk, Bristol & Worcester counties.
View FAC124 Ordering Spec & Request Price Sheet →Pre-competed cooperative contracts for New England colleges, universities, technical high schools, municipalities, and non-profit cultural institutions.
View MHEC G14/G19 Guide & Request Pricing →From our earliest recorded municipal electrical supply deliveries in the 1926 Tewksbury Town Report and our formal incorporation in Lowell on June 18, 1927, through second-generation expansion under Norbert T. “Norbie” McCartin (1929–2019) and lifelong Secretary-Treasurer Mary A. McCartin (1917–2005), to our consolidation at 149 Congress Street in June 1998 under third-generation President David C. McCartin, our mission has never changed: solve the problem at the counter when a facility cannot afford downtime.
Serving Lowell, Chelmsford, Dracut, Tewksbury, Billerica, Lawrence, Andover, Haverhill, Woburn, Burlington, Cambridge, and Southern New Hampshire (Nashua, Salem, Manchester).
Explore Regional Delivery Corridors →Across 1920s–1980s Massachusetts and New Hampshire schools, municipal buildings, churches, hospitals, and mill complexes, failed steam traps are a leading cause of boiler short-cycling, water hammer, overheated rooms, and wasted heating fuel. Learn how to identify legacy trap bodies and drop in calibrated Barnes & Jones Cage Units without breaking corroded radiator unions.
Because Statewide Contract FAC124 and MHEC Contracts G14 & G19 are already competitively bid by the Commonwealth’s Operational Services Division (OSD) and MHEC, eligible public facility managers, school business administrators, housing authorities, and university buyers in Massachusetts can order covered supplies directly from Frank P. McCartin Co., Inc. without running a separate local bid.
When a 40-year-old motor starter, special time-delay relay, or molded-case circuit breaker trips in an older school boiler room or manufacturing line, replacing the entire panelboard is rarely feasible on short notice. Here is how our Electrical Counter (978-454-9101 • ELE@goindustrialsupplies.com) cross-references and sources drop-in replacements.
Routed directly to our Lowell Electrical desk at (978) 454-9101, Plumbing/Steam desk at (978) 454-7606, or Contract Billing at (978) 453-1681.
Direct routing to Lowell HQ Trade Counter — Main: (800) 929-9101 • Electrical: (978) 454-9101 • Plumbing/PVF: (978) 454-7606.
Business Contact: Frank P. McCartin Co., Inc. (149 Congress Street, Lowell, MA 01852 • Tel: (800) 929-9101 • Email: ar@goindustrialsupplies.com).
All orders and quotations are subject to inventory availability and acceptance by Frank P. McCartin Co., Inc. Non-custom orders in original resalable packaging may be returned within 30 days with receipt (subject to applicable factory restocking/freight unless due to FPM error). Tax-exempt entities must provide Massachusetts Form ST-5/ST-2 (or Form ST-4 for contractor resale) to Finance at 978-453-1681 / ar@goindustrialsupplies.com.
AI Usage & Human Verification Disclaimer: Interactive assistants (AI Concierge), OEM cross-reference tools, and nameplate triage calculators provide non-binding preliminary information; all final part specifications and quotes are verified by human counter staff. Customer inquiries and uploaded specs are never used to train public third-party AI models.
#201354 • Active OSD Statewide Contract FAC124 (MBPO PO-23-1080-OSD03-SRC3-30757, Oct 1, 2023 – Sept 30, 2028; Awarded Categories 1, 3 & 4; Prompt Pay: 2%–10 Days / 1%–15 Days).G14 (Plumbing, Heating, Fixtures & Service — Vendor #374) & Contract G19 (Facilities MRO — Vendor #419).LK4LL7YPMJW1 • CAGE: 0PC35 • Fleet: USDOT #317224.The website platform, design system, custom software, and interactive tools are © 2026 GreenTree Hosting and licensed to Frank P. McCartin Co., Inc.
Client Content Ownership: All business content, written copy, branding, archival photography (including the 1947 Lowell counter photograph), line card data, contract records (COMMBUYS #201354, MHEC G14/G19), and customer data are owned by Frank P. McCartin Co., Inc.
Website Portability & License Scope: Frank P. McCartin Co., Inc. may obtain a portable copy of its static website pages and media assets at any time, including a perpetual, non-transferable license to the client-side interactive tools (such as the 325+ OEM Brand & Obsolete Part Cross-Reference Finder and Hard-to-Find Nameplate Triage Estimator) as delivered. Hosted server services—including form routing, lead management, and administrative dashboards—remain the property of GreenTree Hosting (Technology Partner Since 2008) and require active hosting service or replacement by the client’s new provider.
Frank P. McCartin Co., Inc. • GreenTree Hosting
The website platform, design system, custom software, and interactive tools are © 2026 GreenTree Hosting and licensed to Frank P. McCartin Co., Inc.
Client Content Ownership: All business content, written copy, branding, archival photography, line card data, contract records (COMMBUYS #201354, MHEC G14/G19), and customer data are owned by Frank P. McCartin Co., Inc.
Website Portability & License Scope: Frank P. McCartin Co., Inc. may obtain a portable copy of its static website pages and media assets at any time, including a perpetual, non-transferable license to the client-side interactive tools (such as the 325+ OEM Brand & Obsolete Part Cross-Reference Finder and Hard-to-Find Nameplate Triage Estimator) as delivered. Hosted server services—including form routing, lead management, and administrative dashboards—remain the property of GreenTree Hosting and require active hosting service or replacement by the client’s new provider.