Partner profile
Granite
Communications for Multi-Location Businesses
Founded 2002 · Quincy, Massachusetts · 201-1,000 employees · Private, independent
Partnership Overview
Who Granite is built for
Multi-location US enterprises with hundreds to thousands of sites — retailers, restaurants, healthcare networks, banks; Fortune 1000 organizations needing single-vendor accountability for distributed voice/data/mobility.
Granite Telecommunications is the largest US provider of communications services to multi-location businesses, serving 80+ Fortune 100 companies and 2.25M+ business lines across 250,000+ customer locations. Granite specializes in POTS replacement (Epik solution), business voice (PRI/SIP/UCaaS), broadband aggregation, and managed mobility — acting as a single contract / single bill / single point of accountability for multi-site enterprises with thousands of distributed locations.
- VerifiedSep 17, 2026 · high confidence
- 5solutions across 3 categories
- 24 yrsin business, since 2002
- 201-1,000employees
Why teams pick Granite
- Largest US multi-location communications aggregator (2.25M+ lines)
- + Fortune 100 customers
- Epik POTS replacement is industry-leading for retail/restaurant/healthcare chains
- Single contract / single bill / single point of accountability
- % Massachusetts-based US support (no offshoring)
- Strong channel partner program
Probably not a fit
We haven't published fit caveats for Granite yet. Tell us what you run and we'll say whether they fit, or who we'd look at instead.
Get matched insteadRecognition & proof points
Forbes America's Best Employers (named 9 times, incl. 2022-2025)Award · Forbes
- Top Workplaces USA (Energage, 4 consecutive years)Proof point
- Boston Globe Top Places to Work in Massachusetts (12 times)Proof point
Gartner Magic Quadrant for Managed Network Services - Challenger (4 consecutive years)Analyst recognition · Gartner
- Boston Business Journal Corporate Citizenship - Massachusetts No. 1. ~$1.85B revenue, 2,100+ employees, $300M+ in char…Proof point
Notable clients
Vendor-reportedServes more than two-thirds of Fortune 100 companies and 1.75M+ voice/data lines across 650,000+ locations in retail, finance, real estate, hospitality, healthcare and government (plus U.S./Canada government agencies). Published case studies are anonymized (e.g., a national retailer saving ~$500K/yr with EPIK K-12 districts and behavioral-health providers), so individual end-customer logos are not disclosed.
Our Solutions
Rubber Duck solutions through Granite
From first evaluation to day-to-day operations, Rubber Duck Technology helps you get full value from Granite's Connectivity & SASE, Communications & CX, and Managed IT & Cloud Ops solutions. We fit them to the systems you already run, remove overlap, and give you a clear view of how they perform, so your team can move faster with fewer surprises.
Connectivity & SASE
SD-WAN
Granite SD-WAN delivers managed networking for distributed enterprises, unifying connectivity across thousands of locations under a single point of accountability.
- Multi-site networking Designed for enterprises with thousands of distributed locations.
- Single accountability Managed network under one contract, one bill, one point of contact.
VeloCloud (Arista)
FortinetBroadband / Business Internet
Granite aggregates broadband across carriers nationwide, giving multi-location enterprises unified internet connectivity and billing for distributed sites.
- Broadband aggregation Aggregates multiple carriers into a single managed offering.
- Enterprise trust Serves 80+ Fortune 100 companies across distributed sites.
CradlepointCommunications & CX
POTS Replacement
Granite's Epik POTS replacement is an industry-leading solution for multi-location retail, restaurant, and healthcare chains, modernizing legacy copper lines across thousands of distributed sites.
- Industry-leading Epik Epik is a leading POTS replacement for multi-location chains.
- Single accountability One contract, one bill, and one point of accountability across sites.
CradlepointUCaaS / Cloud PBX
Granite delivers hosted business voice and UCaaS to multi-location enterprises, consolidating communications for distributed locations under a single provider.
- Multi-site scale Manages 2.25M+ business lines across 250,000+ locations.
- Single bill Consolidates voice across sites into one contract and one bill.
Microsoft TeamsSIP Trunking
Granite provides SIP trunking as part of its business voice portfolio, giving multi-location enterprises scalable voice connectivity under unified billing.
- Aggregated delivery Largest US multi-location communications aggregator delivers at scale.
- US-based support 100% Massachusetts-based support with no offshoring.
CiscoHow Granite delivers
24/7 US-based support; named relationship managers for enterprise; field service via Granite's national install/repair network. (vendor-reported)
Services in detail
- Managed Network ServicesDelivered as a managed service with single contract, single bill, and a 24/7 NOC.
- Managed CommunicationsDelivered on a per-line or per-location subscription with a single bill and 24/7 NOC.
- Vendor / Escalation ManagementDelivered as single-contract, single-bill accountability backed by US-based teams.
- 24/7 SupportDelivered via a 24/7 NOC with 100% US-based, Massachusetts staffing.
- Installation & Field ServicesDelivered as project-based national field service coordinated under a single provider.
Compare
One quote is a price. Three quotes are a market.
We'd price Granite next to these. Same scope on one page, sent to every provider, so the numbers actually line up.
Who we'd price next to Granite
MetTel Connect Communicate
Driving Digital Transformation in Communications
Already talking to someone else? Tell us and we'll put them in the mix.
Case Studies
What backs it up
Case studies
No published case studies yet.
Ask us and we'll request a reference call with Granite.
Ask for a referenceDocuments
From Granite
38 PDFs, collected while we vetted them
- Granite CaseStudy Gas and Convenience ConnectivityDownload
- Granite CaseStudy EV Charging InfrastructureDownload
- Granite CaseStudy Multi Carrier SIMDownload
- Granite CaseStudy Hospitality SD WAN VoIPDownload
- Granite CaseStudy Education POTS ReplacementDownload
- Granite CaseStudy Multi Site Healthcare edgebootDownload
- Granite CaseStudy Retail EPIK Six Figure SavingsDownload
- Granite CaseStudy Retail EPIK Legacy ModernizationDownload
- Granite CaseStudy Construction General ContractorDownload
- Granite CaseStudy Veterinary Hospital ReliabilityDownload
- Granite CaseStudy Insurance Wireless BrandBlindDownload
- Granite CaseStudy Transport Rentals edgeboot G360Download
- Granite CaseStudy Industrial Distribution Wholesaling SD WANDownload
- Granite CaseStudy Managed Field Services EnergyDownload
- Granite CaseStudy Wireless HealthcareDownload
- Granite CaseStudy Retail Automotive SD WANDownload
- Granite CaseStudy SD WAN National DeliveryDownload
- Granite CaseStudy Behavioral Health BroadbandDownload
- Granite CaseStudy Fitness Gym edgeboot EPIKDownload
- Granite CaseStudy Chemical Manufacturing DIA edgebootDownload
- Granite CaseStudy EPIK Healthcare FacilitiesDownload
- Granite CaseStudy Hospitality Food Service SD WANDownload
- Granite CaseStudy Hospitality Retail SD WANDownload
- Granite CaseStudy Managed Field Services HealthcareDownload
- Granite CaseStudy Wholesale Distribution 4G FailoverDownload
- Granite CaseStudy Nationwide Property ManagementDownload
- Granite CaseStudy Retail Warehouse WiFi Network RedesignDownload
- Granite CaseStudy Retail WiFi and SD WANDownload
- Granite CaseStudy BrandBlind OilGas edgeboot MNSDownload
- Granite CaseStudy SASE SD WAN Wireless Senior CareDownload
- Granite CaseStudy BrandBlind Hospitality edgebootDownload
- Granite CaseStudy Energy CompanyDownload
- Granite CaseStudy Reducing Costs Improving UptimeDownload
- Granite CaseStudy BrandBlind Global Retailer edgebootDownload
- Granite CaseStudy BrandBlind Student Housing edgeboot EPIKDownload
- Granite CaseStudy Retail SD WANDownload
- Granite CaseStudy Healthcare edgebootDownload
- Granite CaseStudy Transforming Multi Site Behavioral HealthDownload
Profile compiled by Rubber Duck Technology from primary sources and partner collateral. Vendor-reported figures are labeled as theirs. Spot something wrong? Tell us.
Technology that doesn't sink under pressure
Talk it through before you sign.
Send us what you run today. We'll price Granite against two alternatives and tell you which one we'd pick, and why.