Who manages business networks, firewalls and phone systems?
Network and Infrastructure: The Providers The Shortlist Report Finds
10 firms lead, appearing in 3.6–12.7% of 55 AI responses. The sample cannot separate them, so we do not pretend it can.
No clear leader
No single firm dominates this question. Ten come up regularly and they specialise in different things, so the firm worth calling is the one that fits your situation rather than whoever sits highest.
VEnterprise7 of 55
Fully managed or co-managed IT and VoIP services for small and midsize businesses.
Key MSP5 of 55
Provides compliance-oriented managed IT and cybersecurity for San Diego-area financial firms, RIAs and brokers.
Loop Communications4 of 55
Provides VoIP platforms for MSPs to sell and manage for their customers.
MSPNetworks4 of 55
Provides managed cloud phone/UC platforms, business continuity/disaster recovery, managed backups and ransomware protection.
NetServ4 of 55
Combines managed IT with business VoIP and cloud services for small to mid-sized businesses.
+5 more, tiedin the table
Based on 55 ChatGPT responses to this question, collected August 11, 2026–August 19, 2026. Firms are counted once per response. How we measure.
The ranking
| Firm | Responses | Share | |
|---|---|---|---|
| Tier 1 10 firms, 3.6–12.7% | |||
| VEnterpriseventerprise.netFully managed or co-managed IT and VoIP services for small and midsize businesses. | 7 of 55 | 12.7% | |
| Key MSPkeymsp.comProvides compliance-oriented managed IT and cybersecurity for San Diego-area financial firms, RIAs and brokers. | 5 of 55 | 9.1% | |
| Loop Communicationsloopcommunications.comProvides VoIP platforms for MSPs to sell and manage for their customers. | 4 of 55 | 7.3% | |
| MSPNetworksmspnetworks.comProvides managed cloud phone/UC platforms, business continuity/disaster recovery, managed backups and ransomware protection. | 4 of 55 | 7.3% | |
| NetServCombines managed IT with business VoIP and cloud services for small to mid-sized businesses. | 4 of 55 | 7.3% | |
| CAL IT Groupcalitgroup.comManaged IT services and VoIP/UCaaS phone systems deployment. | 3 of 55 | 5.5% | |
| 360 Networks | Managed IT Support Services and IT Consulting in New Jersey | 2 of 55 | 3.6% | |
| AT&T BusinessManaged SD-WAN, connectivity, and security services with multi-site deployment. | 2 of 55 | 3.6% | |
| California Telecomcaliforniatelecom.comProvides managed multi-site SD-WAN, networking and connectivity services to companies with distributed offices. | 2 of 55 | 3.6% | |
| Comcast Businesscomcastbusiness.comOffers managed SD-WAN, connectivity, security, and managed infrastructure services. | 2 of 55 | 3.6% | |
Key findings
- No firm answers “Who manages business networks, firewalls and phone systems?” reliably in ChatGPT. The most-named, VEnterprise, appeared in 7 of 55 responses (12.7%) collected August 11, 2026–August 19, 2026, and 9 other firms scored close enough that the sample cannot put any of them in order.
- VEnterprise, Key MSP and Loop Communications were named most often, in 4–7 of 55 responses. All 10 firms in the leading group are listed with their counts in the table below.
- 10 firms cleared the reporting threshold on “Who manages business networks, firewalls and phone systems?” in ChatGPT as of August 19, 2026; the full table with response counts is below.
- No firm paid to appear in this ranking; placement cannot be bought, and the counts come from ChatGPT responses rather than from submissions.
Why the tiers fall where they do
Tier 1 holds VEnterprise, Key MSP, Loop Communications, MSPNetworks, NetServ, CAL IT Group, 360 Networks | Managed IT Support Services and IT Consulting in New Jersey, AT&T Business, California Telecom and Comcast Business, named in 2 to 7 of the 55 ChatGPT responses. They are grouped rather than ranked because the gaps between them are inside the margin of error at this sample size — one extra mention would reorder them, so an order would be reporting noise as a finding.
The test is McNemar’s at 95%, applied against the same 55 responses for every firm. The full reasoning, and what happened when we ranked one-to-N instead.
What the sample shows
10 firms lead this question: VEnterprise, Key MSP, Loop Communications, MSPNetworks, NetServ, CAL IT Group, 360 Networks | Managed IT Support Services and IT Consulting in New Jersey, AT&T Business, California Telecom and Comcast Business. They appear in 3.6–12.7% of the 55 responses. The gaps between them are inside the margin of error at this sample size, so they are listed together rather than ranked against each other.
216 firms were named at least once across the sample. 10 of them cleared the threshold of 2 responses and appear above; the rest were named once and are inside the noise.
How to read this
Firms are grouped into tiers, not ranked one to fifteen. A tier holds every firm whose 95% confidence interval overlaps the leader's, which is a long way of saying the sample cannot tell them apart. Order within a tier is arbitrary — read the counts, not the position.
Share is the percentage of responses that named the firm — not a quality score. A firm scoring low here may be excellent and simply under-written about online, which is a finding about its visibility rather than its work.
The same question was asked repeatedly because AI assistants do not answer identically twice. A single response would tell you almost nothing.
What this measurement does not tell you
- It is not a quality ranking. Share reflects how much has been written about a firm online, which is what an AI assistant reads. A capable firm nobody writes about scores low here.
- It is a reading from a date range, not a permanent standing. This sample was collected August 11, 2026–August 19, 2026; models change and so do their answers.
- It covers ChatGPT only. Other assistants answer differently, and we do not extrapolate across engines we have not measured.
- Order within a tier is arbitrary. Read the counts, not the position. Why we use tiers.
Cite this report
The Shortlist Report. (2026). Network and Infrastructure: The Providers The Shortlist Report Finds. The Shortlist Report. https://www.shortlistreport.com/article/msp-network-and-infrastructure
Underlying counts: CSV · JSON. Every answer they were counted from: plain text · JSON. All reusable under CC BY 4.0 with attribution.