Top ISP Companies in United States (2026 Update)
Browse ISP companies in United States with up-to-date profiles — funding rounds, investors, hiring, and expansion signals. Find recently funded and growing companies. Updated 2026.
Showing 72 Companies
| Company | Location | Founded | Industry | Services | Target Customers | Business Model | Revenue Model | Founders | Employees | Funding Stage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Harbor Networks
Consult. Integrate. Manage. |
Framingham, United S...
|
1995 |
Hardware
ISP
+2
|
— | — | — | — | — | 67 | Series C |
|
LOGIX Fiber Networks
Tired of Slow Business Internet Speeds and Downtime? Sw… |
Houston, United Stat...
|
1983 |
Cyber Security
ISP
+4
|
— | — | — | — | — | 377 | Series Unknown |
|
Sail Internet
Offering internet services leveraging fixed wireless te… |
Palo Alto, United St...
|
2015 |
ISP
Internet
+1
|
— | — | — | — | — | 51 | Series A |
|
Aervivo
Access and Connectivity for All |
San Diego, United St...
|
2020 |
ISP
IT
+2
|
— | — | — | — | — | 9 | Series Unknown |
|
Nomadix, an ASSA ABLOY company
Internet Connectivity & Guest-Facing Technology for Hos… |
Woodland Hills, Unit...
|
1998 |
ISP
IT
|
— | — | — | — | — | 80 | Series D |
|
Connext Fiber
Connext Fiber Specializes in Fiber Optic Infrastructure… |
Ogden, United States
|
2001 |
ISP
Internet
|
— | — | — | — | — | 31 | Debt Financing |
|
SingleOps
Helping tree care, landscape, lawn care, and other gree… |
Atlanta, United Stat...
|
2013 |
ISP
Information Technology
+2
|
— | — | — | — | — | 83 | Series C |
|
|
IP Infusion
Accelerating Network Disaggregation for Service Provide… |
Santa Clara, United...
|
1999 |
Hardware
ISP
|
— | — | — | — | — | 501 | Series C |
|
Quantinium
Quantinium is a bespoke post-quantum encrypted blockcha… |
Fort Lauderdale, Uni...
|
2021 |
Crypto
Finance
+5
|
L1 Blockchain Development
Quantum Wi-Fi Provision
+3
|
Internet Users
Telecom Providers
+4
|
— | — | — | 20 | Seed |
|
GCI Communication Corp.
Keeping Alaskans connected statewide with mobile and in… |
Anchorage, United St...
|
1979 |
ISP
Internet
+4
|
Mobile Plans
Internet Connectivity
+3
|
Alaska Residents
Remote Communities
+3
|
B2C
B2B
+1
|
Subscription
Product Sales
+1
|
— | 1,824 | Grant |
|
Zenlayer
Hyperconnected Cloud for Interactive Applications |
Diamond Bar, United...
|
2014 |
Computing
ISP
+2
|
Distributed Inference
Fabric For AI
+7
|
AI-Driven Enterprises
Blockchain Companies
+3
|
IaaS
B2B
+1
|
Usage Based
Subscription
+1
|
— | 273 | Series C |
|
Gigstreem
Your network. Our responsibility. |
United States
|
2016 |
ISP
IT
+2
|
Tiered High-Speed Internet Packages
Managed Network Services
+3
|
Multifamily Property Owners
Student Housing Managers
+5
|
B2B
B2C
+1
|
Subscription
Usage Based
+1
|
— | 112 | Unknown |
|
Damballa, Inc. |
Atlanta, United Stat...
|
2006 |
Cyber Security
ISP
+1
|
— | — | — | — | — | 8 | Series E |
|
IKANO Communications, Inc. |
Chatsworth, United S...
|
1999 |
ISP
Internet
+1
|
— | — | — | — | — | 52 | Post Ipo Debt |
|
Casa Systems, Inc. |
Andover, United Stat...
|
2003 |
ISP
Internet
+1
|
— | — | — | — | — | 315 | Post Ipo Equity |
|
Pacific NW Rural Broadband All...
501c3 Non-profit WISP delivering fast, affordable, comm… |
Missoula, United Sta...
|
2020 |
ISP
IT
+2
|
— | — | — | — | — | 1 | Seed |
|
OneFiber
Bringing fiber to your town |
Beloit, United State...
|
2022 |
ISP
Internet
+1
|
— | — | — | — | — | 2 | Pre Seed |
|
Applied Sensor Co., LLC
Designing the next generation of smart textiles. |
Woodinville, United...
|
2023 |
ISP
|
— | — | — | — | — | 1 | Series Unknown |
|
Fiberspark |
Ithaca, United State...
|
2012 |
ISP
Internet
+1
|
— | — | — | — | — | 3 | Pre Seed |
|
Arborgold Software
Arborgold helps lawn care, landscape, plant health care… |
Fishers, United Stat...
|
1994 |
ISP
Information Technology
+1
|
— | — | — | — | — | 35 | — |
Showing 20 of 72 companies in this list
