15 Oct 2026 · TrustList Editorial
Microsoft's managed risk-remediation policy turns on from 28 October
Microsoft added a managed Conditional Access policy and security group to Entra ID P2 tenants. It switches from report-only to On after 30…
16 call center companies ranked by rating, review volume and listing quality.
Between them, the 16 call center companies on this page cover cloud (8), monitoring (7), IT services (5) and backup (5). They also list work in United States, Michigan and Nice. 16 of them have written a profile you can read before you get in touch.

IT Security · Electrical · Construction
4K Engineering is a contracting company that describes itself as founded and run by engineers.

IT Security · Cloud · Outsourcing
Clients in the Chicago area can buy their IT support, security, hosted cloud and business telephony from one supplier, Access One.

Cloud · Monitoring · Learning · Also in United States
Central station monitoring is a service most alarm dealers would otherwise have to build themselves, and AvantGuard Monitoring Centers sells it to them on a wholesale basis.

Disaster Recovery · Cloud · Education · Also in Michigan
Big Water Technologies is a Michigan technology company that supplies managed IT and business telecoms to small and mid-sized organisations around Detroit and Southfield.

Disaster Recovery · Customer Service · Cloud
Most marketing agencies sell impressions and reports, the argument goes at Blue Equinox, but the owners of managed service providers want conversations with real buyers.

Call Center · Business Services · Monitoring · Also in Dubai
An offshore contact centre in Tunisia is the business of Business & Services Solutions, a name also written BS-Solutions or BSS.

Help Desk · Cloud · Monitoring · Also in Massachusetts and United States
Datalyst, a managed IT firm based in Lakeville, Massachusetts, says it has served businesses across Southern New England since 2010.

IT Services · Cloud · Monitoring
Healthcare organizations are the clearest focus of Design I.T. Solutions, a managed IT firm headquartered in Spokane, Washington, serving clients nationwide.

IT Services · Customer Service · Monitoring · Also in Virginia and Pennsylvania
Outsourced IT provider for small and mid-sized businesses in Eastern Pennsylvania, covering managed IT, cybersecurity and phone systems

Call Center · Business Services · Real Estate · Also in Florida and Nice
Managed IT provider for small and medium businesses in Southern Nevada and Central Florida, covering cloud, backup and VoIP

Responsive · CRM · simple · Also in Singapore
In Singapore, HRMS sells one integrated system that gives a company a single place to manage staff records, leave, attendance and payroll.

Call Center · Business Services · Outsourcing · Also in Chennai
Infosearch BPO Services is an outsourcing company in Chennai, India, that says it has been running business processes for clients for more than twenty years and now employs over…

IT Services · Call Center · Cloud · Also in Vancouver and Montreal
Innovation Networks Inc. takes over the day-to-day running of a company's technology so its managers can attend to the business.

IT Services · Help Desk · Monitoring · Also in Wisconsin and Chicago
Innovative Dynamic Networks, Inc., known as IDN, operates from Racine, Wisconsin, and was founded in 2004 to provide managed IT services.

IT Services · Business Services · Real Estate · Also in Detroit and Michigan
Healthcare practices were the first clients of the business that became Kinetix, LLC, and managed IT support for them has been its specialty since 1991.

Cloud · Legal · Onboarding
Lingo Communications provides business phone, cloud calling, broadband, security and managed services in the US.
For vendors
The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.
Not on TrustList yet? Add your company or claim its listing, free.
Free
Paid · always labelled
Every other way we rank call center companies, by what they do and where they are.
Articles on this subject first, then the newest.
15 Oct 2026 · TrustList Editorial
Microsoft added a managed Conditional Access policy and security group to Entra ID P2 tenants. It switches from report-only to On after 30…
13 Oct 2026 · TrustList Editorial
CVE-2026-85097 scores CVSS 10 in Patchstack's database and affects every release up to 3.1.8.9. It follows a password-reset flaw fixed in…
13 Oct 2026 · TrustList Editorial
Account-to-organisation conversion kept the old token secrets alive. Docker closed the hole in under four hours after a report and found no…
Jump to another ranked category.
Everything here links back to the same verified catalogue. Pick your next stop.