Partner Ecosystem
Granite
Part of the Rubber Duck Technology partner ecosystem — vetted for capability, accountability, and fit before they ever meet a client.
About the partner
About Granite
Communications for Multi-Location Businesses
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.
Why teams choose Granite
- Largest US multi-location communications aggregator (2.25M+ lines)
- 80+ Fortune 100 customers
- Epik POTS replacement is industry-leading for retail/restaurant/healthcare chains
- Single contract / single bill / single point of accountability
- 100% Massachusetts-based US support (no offshoring)
- Strong channel partner program
Capabilities we have validated
- Epik POTS Replacement
- 2.25M+ business lines under management
- Multi-site aggregation across thousands of locations
- Single-bill / single-contract simplicity
- 100% US-based support
Profile maintained by Rubber Duck Technology research from primary sources and partner collateral · Last verified Aug 20, 2026 · High confidence · Verified multi-source.
Capabilities
Solutions Delivered by Granite
The outcomes this partner is equipped to deliver — drawn from our vetting record, not their marketing deck.
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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.
Integrates with Cradlepoint
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UCaaS / 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.
Integrates with Microsoft Teams
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SIP 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.
Integrates with Cisco
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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.
Integrates with VeloCloud (Arista)Fortinet
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Broadband / 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.
Integrates with Cradlepoint
Delivery
How We Deliver
Engagement & delivery models we have validated with this partner — where the slide deck ends and the actual work begins.
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Managed Network Services
Granite manages networking across thousands of customer locations, combining SD-WAN, broadband aggregation, and wireless failover under one accountable provider.
Delivery: Delivered as a managed service with single contract, single bill, and a 24/7 NOC.
Single point of accountability — One provider for networking across 250,000+ locations.
US-based support — 100% Massachusetts-based support with no offshoring.
Integrates with VeloCloud (Arista)Cradlepoint
communications_cx
Managed Communications
Granite manages voice and POTS replacement for multi-location businesses, consolidating 2.25M+ business lines under single-contract simplicity.
Delivery: Delivered on a per-line or per-location subscription with a single bill and 24/7 NOC.
2.25M+ lines — Manages over 2.25 million business lines for distributed enterprises.
Epik POTS replacement — Industry-leading POTS replacement for chains and franchises.
Integrates with Microsoft Teams
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Vendor / Escalation Management
Granite serves as a single point of accountability across carriers and vendors, handling escalations so multi-location enterprises avoid managing many providers.
Delivery: Delivered as single-contract, single-bill accountability backed by US-based teams.
One throat to choke — Single point of accountability across all carriers and vendors.
Simplified billing — Single contract and single bill replace many vendor relationships.
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24/7 Support
Granite provides around-the-clock support through its 24/7 NOC, staffed entirely by US-based teams for multi-location customers.
Delivery: Delivered via a 24/7 NOC with 100% US-based, Massachusetts staffing.
No offshoring — 100% Massachusetts-based support staffs the 24/7 NOC.
Enterprise reliability — Trusted by 80+ Fortune 100 companies for distributed operations.
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Installation & Field Services
Granite provides national field service to install and turn up voice and network services across thousands of distributed customer locations.
Delivery: Delivered as project-based national field service coordinated under a single provider.
National field reach — Field service spans 250,000+ customer locations nationwide.
Single coordination — One provider coordinates installs across multi-site rollouts.
Proof
Results with this partner
Documented outcomes from real engagements — not testimonial vibes.
Case studies featuring this partner are being prepared. See all client results →
Resources
Documents & collateral
Datasheets, spec sheets, case studies and pricing references collected while vetting Granite — 38 documents.
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