Reliable IT infrastructure support is as much about preventing recurring disruption as it is about fixing outages. Businesses now operate across on-premises networks, cloud platforms, endpoints, and applications, making monitoring, incident ownership, backup readiness, and configuration control essential. Some providers take responsibility for the full technology environment, while others supply specialist cloud or platform engineers alongside an internal team. The right scope depends on where operational risk sits and which systems need ongoing attention.
1. Itexus
Itexus develops and maintains financial software, with DevOps and cloud engineering capabilities that directly support production infrastructure. Its DevOps services cover audits of existing environments, cloud infrastructure setup, migrations, infrastructure as code, automated monitoring, backup and restore processes, and deployment automation. The company works with AWS, Microsoft Azure, Google Cloud, and other cloud platforms, and supports containerized workloads with tools such as Docker and Kubernetes.
The infrastructure offering makes particular sense when reliability is tied to a custom financial application rather than a standalone office network. Teams running payments, banking, lending, or other digital finance systems can combine software expertise with operational engineering around scaling, deployment reliability, and security controls.
Key Facts
- Best for: Financial software teams operating production applications and cloud environments
- Core services: IT infrastructure support, DevOps consulting, cloud infrastructure, migration, monitoring, backup automation, CI/CD
- Specialization: Infrastructure engineering for financial applications
- Technologies: AWS, Microsoft Azure, Google Cloud
- Headquarters: Dover, DE, USA
- Founded: 2013
- Team size: 150+ engineers
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
- Address: 8, The Green, STE road, Dover, DE 19901, United States
2. Ensono
Ensono runs and modernizes infrastructure for large enterprises, with a rare depth in mainframe operations alongside public, private and hybrid cloud. Its catalog covers Mainframe as a Service, mainframe optimization, remote infrastructure management, hosted services, virtual private cloud and database managed services, plus data center exit and consolidation for teams moving workloads off owned hardware.
Named offerings include Ensono Flex Cloud Services, Cloud DBA Managed Services and Mainframe to Cloud Migration. The company describes its clients as Fortune 500 companies, banks, insurers and governments, with industry practices in financial services, insurance, healthcare, manufacturing, retail and the public sector. It suits enterprises that still depend on a mainframe and want one operator for both legacy and cloud estates.
Key Facts
- Best for: Enterprises running mainframe and hybrid cloud estates
- Core services: Mainframe as a Service, remote infrastructure management, hosted services, cloud
- Specialization: Mainframe operations, modernization and data center exit
- Headquarters: Downers Grove, IL, USA
- Team size: 1,001–5,000 employees
Contact Information
- Website: ensono.com
- Phone: +1 (866) 880-8611
- Address: 3333 Finley Road, Downers Grove, IL 60515
- LinkedIn: www.linkedin.com/company/ensono
3. Rackspace Technology
Rackspace Technology operates managed hosting and infrastructure on dedicated, single-tenant hardware in its own global network of data centers, backed by 24x7x365 support. It takes over day-to-day infrastructure operations, including bare-metal management, custom dedicated servers and private clouds, so internal teams do not have to run the hardware themselves.
The managed stack spans networking (Cisco and Palo Alto Networks firewalls, F5 and Citrix load balancers, DDoS mitigation), storage (SAN, NAS, managed backup and disaster recovery), Hyper-V and VMware virtualization, and DBA services for MySQL, Oracle and SQL Server. RackConnect links dedicated environments with AWS, Azure and OpenStack. It fits companies that need hosted, fully managed infrastructure rather than on-site support.
Key Facts
- Best for: Companies outsourcing hosted servers, storage and networking
- Core services: Managed hosting, dedicated servers, private cloud, managed networking, DBA
- Specialization: Single-tenant managed hosting connected to public clouds
- Headquarters: San Antonio, TX, USA
- Team size: 1,001–5,000 employees
Contact Information
- Website: rackspace.com
- LinkedIn: www.linkedin.com/company/rackspace-technology
4. Thrive
On the network side, Thrive handles global network management, managed secure SD-WAN and data connectivity, so one provider can cover servers, cloud and the links between offices.
Its Service Exchange gives clients visibility across SaaS, cloud and data center environments, and the ServiceNow-based Thrive Platform supports service delivery. Thrive lists compliance offerings for HIPAA, CMMC, GDPR, CJIS and SOC 2 and serves financial services firms, including hedge funds and credit unions, as well as healthcare, legal, life sciences and government clients in the USA, UK and Canada.
Key Facts
- Best for: Regulated mid-market firms needing data center and network coverage
- Core services: Managed infrastructure, colocation, managed cloud, DRaaS, SD-WAN
- Specialization: Owned data centers with compliance-focused managed services
- Headquarters: Foxborough, MA, USA
- Founded: 2000
Contact Information
- Website: thrivenextgen.com
- Email: moc.negtxenevirht@ofni
- Phone: (866) 205-2810
- Address: 25 Forbes Boulevard, Suite 3, Foxborough, MA 02035
- LinkedIn: www.linkedin.com/company/thrivenextgen
5. Dataprise
Dataprise provides managed infrastructure services for networks, servers, cloud resources, and the devices that connect them. Its infrastructure work includes managing routers, switches, firewalls, and converged equipment, with proactive monitoring and maintenance intended to reduce preventable disruptions. The broader managed IT offering adds a service desk, cybersecurity, business continuity, field services, and strategic IT planning.
For midsize organizations with more than one site or a mixed on-premises and cloud estate, Dataprise connects everyday infrastructure operations with end-user support and technology governance. Its field services are especially relevant when a remote service desk cannot complete hands-on hardware work.
Key Facts
- Best for: Midsize businesses seeking network, server, and service-desk coverage
- Core services: Managed infrastructure, network management, cloud services, endpoint support
- Support: Proactive monitoring, maintenance, remote and on-site technical support
- Additional services: Backup and disaster recovery, cybersecurity, IT consulting
- Headquarters: Rockville, MD, USA
- Founded: 1995
- Team size: 501–1,000 employees
Contact Information
- Website: www.dataprise.com
- Email: moc.esirpatad@troppus
- LinkedIn: www.linkedin.com/company/dataprise
- Facebook: www.facebook.com/Dataprise
- Twitter: x.com/dataprise
- Instagram: www.instagram.com/dataprise
- Address: 9600 Blackwell Road 4th Floor Rockville, Maryland 20850
- Phone: +1 888-414-8111
6. VC3
VC3 offers dedicated co-managed infrastructure support for organizations whose internal IT people need dependable coverage for servers and networks. The service combines 24/7 infrastructure monitoring, routine maintenance, patching, updates, and technical support. VC3 can own defined infrastructure responsibilities while the customer team concentrates on users, applications, and longer-term priorities.
The company also offers broader managed IT, cybersecurity, backup, disaster recovery, and support services. Its modular operating model suits teams that do not want to outsource their entire IT function but need a defined external owner for infrastructure health, scheduled maintenance, and escalations.
Key Facts
- Best for: Organizations extending an existing internal IT team
- Core services: Co-managed infrastructure support, server and network monitoring, maintenance
- Support: 24/7 monitoring and support
- Additional capabilities: Managed IT, cybersecurity, backup and disaster recovery
- Headquarters: Columbia, SC, USA
- Founded: 1994
- Team size: 501–1,000 employees
Contact Information
- Website: www.vc3.com
- Facebook: www.facebook.com/VC3Inc
- Twitter: x.com/VC3Inc
- LinkedIn: www.linkedin.com/company/vc3
- Address: 1301 Gervais St, Suite 1800, Columbia, SC 29201
- Phone: (800) 787-1160
7. Ntiva
Ntiva delivers managed IT services that cover the systems and user environments businesses depend on every day. Its server and computer management service includes proactive maintenance, patching, performance monitoring, and recommendations for improvement. Additional managed services extend into employee support, strategic planning, cloud services, security, and ongoing systems administration.
Ntiva is relevant to companies that need infrastructure operations alongside an accessible support function rather than a collection of separate technical contractors. Its co-managed model can also supplement an in-house department with operational capacity, specialized support, and documentation while the internal team retains technology direction.
Key Facts
- Best for: Small and midsize organizations needing managed IT support
- Core services: Server management, patching, performance monitoring, user support
- Specialization: Cloud, cybersecurity, backup and recovery
- Engagement model: Fully managed IT and co-managed IT
- Headquarters: McLean, VA, USA
- Founded: 2004
- Team size: 501–1,000 employees
Contact Information
- Website: www.ntiva.com
- Email: moc.avitn@troppus
- Facebook: www.facebook.com/Ntiva
- LinkedIn: www.linkedin.com/company/ntiva-inc-
- Address: 7900 Westpark Drive, Suite A100, McLean, VA 22102, United States
- Phone: (844) 257-2537
8. Executech
Executech manages workplace technology and the supporting infrastructure for businesses that need a stable day-to-day IT environment. Its managed IT offering covers servers, data storage, network equipment, firewalls, remote monitoring, and maintenance. It also assists with endpoint lifecycle management, configuration standards, and software and hardware vendor coordination.
By keeping network, server, and endpoint management within one support relationship, Executech addresses recurring operational friction such as inconsistent settings and delayed maintenance. The service is relevant for organizations that want routine infrastructure ownership as well as responsive help with user-facing issues and planned technology changes.
Key Facts
- Best for: Businesses outsourcing everyday network and server operations
- Core services: Managed IT, servers, storage, networking, firewall support
- Operational focus: Remote monitoring, maintenance, lifecycle management
- Additional capabilities: Endpoint management and vendor coordination
- Headquarters: South Jordan, UT, USA
- Founded: 1999
- Team size: 201–500 employees
Contact Information
- Website: executech.com
- LinkedIn: www.linkedin.com/company/executech
- Address: 10876 S River Front Pkwy Ste 100 , South Jordan, UT 84095
- Phone: 1-385-217-9049
9. A-listware
A-listware has a dedicated IT infrastructure practice covering support, administration, and managed infrastructure services. Its offering includes Level 1 through Level 3 technical assistance, infrastructure assessment and design, monitoring, troubleshooting, maintenance, and operational improvement. It also provides cloud infrastructure consulting for deployment, migration, performance, and cost management.
This mix gives companies a way to obtain specialist technical support across an existing environment or to share selected responsibilities with an internal team. The combination of infrastructure administration, managed services, DevOps, and software engineering is useful where cloud systems and application platforms require coordinated changes instead of isolated incident handling.
Key Facts
- Best for: Teams requiring infrastructure administration and specialist engineering support
- Core services: L1-L3 support, infrastructure administration, managed infrastructure
- Specialization: Infrastructure monitoring and troubleshooting
- Cloud services: Cloud migration, configuration, optimization, maintenance
- Headquarters: London, UK
Contact Information
- Website: a-listware.com
- Email: moc.erawtsil-a@ofni
- Facebook: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Address: St. Leonards-On-Sea, TN37 7TA, UK
- Phone: +44 (0)142 439 01 40
10. Integris
Integris operates fully managed and co-managed IT services for small and midsize organizations. Its offering spans infrastructure monitoring, maintenance, lifecycle management, help desk support, cybersecurity, Microsoft 365, and cloud architecture. For organizations with internal staff, Integris can take responsibility for infrastructure, monitoring, and escalated technical issues while the in-house team handles direct user relationships.
The company serves on-premises, cloud, and hybrid environments and provides strategic planning alongside operations. That combination suits organizations that need to manage technical reliability and compliance-related IT requirements together, especially when systems must remain available across multiple departments or locations.
Key Facts
- Best for: SMBs seeking fully managed or co-managed infrastructure support
- Core services: Infrastructure monitoring, managed IT, help desk escalation, cloud
- Support models: Fully managed and co-managed services
- Environment coverage: On-premises, hybrid, and cloud
- Founded: 2021
Contact Information
- Website: integrisit.com
- Email: moc.tisirgetni@selas
- Facebook: www.facebook.com/IntegrisTechnology
- LinkedIn: www.linkedin.com/company/integris-it
- Address: 1 Corporate Drive, Unit G, Cranbury, NJ 08512, United States
- Phone: (888) 330-8808
11. TeamLogic IT
TeamLogic IT provides managed IT through a network of local offices supported by broader technical resources. Its service coverage extends across network monitoring, server and endpoint maintenance, cloud systems, business continuity, cybersecurity, and help desk operations. Network management includes oversight of routers, switches, firewalls, and wireless access points, while system monitoring addresses servers, storage, and critical applications.
The combination of local assistance and remote monitoring fits businesses that still need occasional hands-on network or hardware support. TeamLogic IT also offers co-managed arrangements, so internal staff can retain ownership of selected systems while outsourcing network upkeep or additional coverage.
Key Facts
- Best for: SMBs seeking local technical support with network monitoring
- Core services: Managed IT, network management, system maintenance, help desk
- Infrastructure coverage: Routers, switches, firewalls, access points, servers and endpoints
- Engagement model: Fully managed and co-managed IT
- Founded: 2004
Contact Information
- Website: www.teamlogicit.com
- Email: moc.TIcigoLmaeT@XTnitsuAEN
- Facebook: www.facebook.com/TeamLogicITAustin
- Twitter: x.com/TeamLogicIT
- LinkedIn: www.linkedin.com/company/teamlogic-it
- Address: 9800 North Lamar Boulevard, Suite 210, Austin, TX 78753, USA
- Phone: +1 (512) 501-1077
12. NexusTek
NexusTek supports businesses with managed IT, co-managed services, hybrid cloud, and cybersecurity. Its co-managed offering allows internal teams to divide responsibility for infrastructure and user support rather than replacing existing personnel. Services can combine monitoring, patching, help desk assistance, server support, backups, and technical guidance, with managed hybrid cloud extending support beyond the office network.
The company is particularly relevant for midmarket IT departments managing mixed environments while pursuing technology changes. Its approach links the day-to-day operational workload with assessment, consulting, and ongoing infrastructure management, making it useful when the internal team needs additional skills or round-the-clock capacity.
Key Facts
- Best for: Midmarket internal IT teams expanding support capacity
- Core services: Managed IT, co-managed infrastructure, monitoring, server support
- Cloud offering: Managed hybrid cloud
- Additional services: Managed cybersecurity, consulting, help desk
- Headquarters: Greenwood Village, CO, USA
- Founded: 1996
- Team size: 201–500 employees
Contact Information
- Website: www.nexustek.com
- Email: moc.ketsuxen@ofni
- Facebook: www.facebook.com/NexusTek
- Twitter: x.com/NexusTek
- LinkedIn: www.linkedin.com/company/nexustek
- Address: 8100 E Maplewood Ave, Suite 220, Greenwood Village, CO 80111
- Phone: 877 470 0401
13. OSKI Solutions
OSKI Solutions handles infrastructure support as part of engineering-led managed IT services for production applications and cloud workloads. Its published operating scope covers proactive monitoring, alerting, incident response, patching, backup verification, and daily AWS or Azure operations. The same engineers can investigate related issues in databases, integrations, deployment pipelines, and application code, reducing handoffs between operational teams.
OSKI is a fit for businesses running custom platforms where an outage cannot be resolved by restarting a server alone. Its service arrangements include onboarding and documenting inherited environments, establishing monitoring and escalation paths, operating the systems, and maintaining an improvement backlog.
Key Facts
- Best for: Custom application owners needing continuous cloud and platform operations
- Core services: Managed IT, monitoring, incident response, patching, backups
- Technologies: AWS, Microsoft Azure
- Technical scope: Applications, databases, integrations, CI/CD, infrastructure
- Headquarters: Tallinn, Estonia
- Team size: 51–200 employees
Contact Information
- Website: oski.site
- Email: etis.ikso@tcatnoc
- LinkedIn: www.linkedin.com/company/oski-solutions
14. Framework IT
Framework IT manages technology environments for organizations that want daily support combined with proactive infrastructure work. Its co-managed offering includes server, network, firewall, and endpoint management, scheduled patching, backup and recovery, security monitoring, help desk hours, and strategic vCIO services. Continuous monitoring and shared documentation make it possible to define which technical responsibilities belong to the provider and which remain in house.
That model suits smaller internal IT teams that know the business applications well but have limited time for lifecycle management and network administration. Framework IT connects operational maintenance with planning, vendor coordination, and visibility into the health of supported systems.
Key Facts
- Best for: Small internal IT teams requiring infrastructure and security backup
- Core services: Co-managed IT, infrastructure management, monitoring, patching
- Support features: 24/7 proactive monitoring, defined help desk support
- Related services: Backup, cybersecurity, vendor coordination, vCIO
- Headquarters: Chicago, IL, USA
- Founded: 2008
- Team size: 11–50 employees
Contact Information
- Website: www.frameworkit.com
- Email: moc.tikrowemarf@ofni
- LinkedIn: www.linkedin.com/company/frameworkit
- Facebook: www.facebook.com/frameworkChicago
- Twitter: x.com/Framework_IT
- Address: 700 N Sacramento Blvd., Suite 101, Chicago, IL 60612
- Phone: 312 564 4888
15. Tata Consultancy Services (TCS)
Tata Consultancy Services supports complex enterprise infrastructure across data centers, networks, digital workplaces, and cloud environments. Its data center offerings span server consolidation and virtualization, hosting, storage transformation, business continuity, disaster recovery, and round-the-clock support. TCS also offers infrastructure modernization and managed services for organizations shifting workloads to public cloud platforms.
The company is most relevant where IT infrastructure runs across business units, countries, and legacy technologies. Its Cognix platform combines service management and automation across data center, network, and workplace operations, giving large enterprises a way to manage infrastructure change and ongoing service delivery within the same operating model.
Key Facts
- Best for: Large enterprises managing complex hybrid and legacy infrastructure
- Core services: Data center management, cloud modernization, network operations
- Technology scope: Servers, storage, digital workplace, cloud and networks
- Engagement model: Enterprise-scale managed services and automation
- Headquarters: Mumbai, India
- Founded: 1968
- Team size: 10,001+ employees
Contact Information
- Website: www.tcs.com
- Email: moc.sct@gnitekram.aidni
- Instagram: www.instagram.com/tcsglobal
- LinkedIn: www.linkedin.com/company/tata-consultancy-services
- Twitter: x.com/TCS
- Facebook: www.facebook.com/TataConsultancyServices
- Address: TCS House, Corner of Hazarimal Somani Marg & Raveline Street, Fort-400 001, Maharashtra
- Phone: +91 22 6778 9999
Comparison Table
| Company | Best for | Headquarters | Founded | Team size |
| Itexus | Financial software teams operating production applications and cloud environments | Dover, DE, USA | 2013 | 150+ engineers |
| Ensono | Enterprises running mainframe and hybrid cloud estates | Downers Grove, IL, USA | — | 1,001–5,000 employees |
| Rackspace Technology | Companies outsourcing hosted servers, storage and networking | San Antonio, TX, USA | — | 1,001–5,000 employees |
| Thrive | Regulated mid-market firms needing data center and network coverage | Foxborough, MA, USA | 2000 | — |
| Dataprise | Midsize businesses seeking network, server, and service-desk coverage | Rockville, MD, USA | 1995 | 501–1,000 employees |
| VC3 | Organizations extending an existing internal IT team | Columbia, SC, USA | 1994 | 501–1,000 employees |
| Ntiva | Small and midsize organizations needing managed IT support | McLean, VA, USA | 2004 | 501–1,000 employees |
| Executech | Businesses outsourcing everyday network and server operations | South Jordan, UT, USA | 1999 | 201–500 employees |
| A-listware | Teams requiring infrastructure administration and specialist engineering support | London, UK | — | — |
| Integris | SMBs seeking fully managed or co-managed infrastructure support | — | 2021 | — |
| TeamLogic IT | SMBs seeking local technical support with network monitoring | — | 2004 | — |
| NexusTek | Midmarket internal IT teams expanding support capacity | Greenwood Village, CO, USA | 1996 | 201–500 employees |
| OSKI Solutions | Custom application owners needing continuous cloud and platform operations | Tallinn, Estonia | — | 51–200 employees |
| Framework IT | Small internal IT teams requiring infrastructure and security backup | Chicago, IL, USA | 2008 | 11–50 employees |
| Tata Consultancy Services (TCS) | Large enterprises managing complex hybrid and legacy infrastructure | Mumbai, India | 1968 | 10,001+ employees |
How to Choose an IT Infrastructure Support Company
Start by deciding whether you need a provider to own your whole environment or to back up an internal team with monitoring, after-hours coverage and specialist engineers. Then test candidates on how they handle the incidents and changes you already deal with. These checks focus on what you can verify before signing.
Support model that matches your team. Ask whether the provider works fully managed, co-managed or as embedded engineers, and how decisions are split in each model. If you have internal IT staff, confirm that they keep admin access, share the ticketing system and can approve changes. A provider used to full control may resist working alongside your team.
Monitoring and alert handling. Ask what is monitored, from network devices and servers to cloud services, certificates and backup jobs, and who responds to alerts outside business hours. Request examples of alert thresholds and escalation rules. A provider that forwards every alert to you without triage is not reducing your workload, and missed backup failures often surface only during a restore.
Tested backup and recovery. Ask how often restores are tested, what recovery time and recovery point targets they commit to, and whether backups are protected from ransomware through immutability or offline copies. Request a sample restore test report. Backups that have never been restored are an assumption, not a recovery plan.
Response times in practice. Compare SLA targets for each priority level, but also ask for average actual response and resolution times from current clients of similar size. Check whether onsite support is available near your offices and what it costs. Clarify whether you reach an engineer directly or a first-line dispatcher who logs tickets.
Documentation and change control. The provider should keep an up-to-date asset inventory, network diagrams, credentials vault and runbooks that you can access. Ask how changes are requested, approved, scheduled and recorded. Undocumented fixes create dependence on specific engineers and make audits and future handovers difficult.
Security responsibilities. Clarify who handles patching, endpoint protection, firewall rules, multi-factor authentication and access reviews, and whether security monitoring is included or sold separately. Ask how they protect their own remote management tools, since a compromised provider can affect all its clients. Check relevant certifications and how fast they patch critical vulnerabilities.
Conclusion
Strong infrastructure support depends on clear accountability for the systems that keep the business operating. Monitoring and backups only deliver their intended value when incidents have an owner, recovery procedures are tested, and changes are documented. Buyers should distinguish between a provider that runs their entire technology environment and a specialist that strengthens one layer, such as cloud architecture or application deployment. Service coverage, escalation paths, security responsibilities, and maintenance windows belong in the operating agreement rather than remaining informal assumptions. As organizations combine older systems with cloud services, effective infrastructure support increasingly requires coordination across networks, platforms, and software engineering.
Frequently Asked Questions
What does IT infrastructure support cover?
It usually covers monitoring and maintenance of networks, servers, storage, cloud services, endpoints and backups, plus incident response and patching. Many providers include a help desk, security tools and vendor management. Scope varies, so ask for a written list of supported systems, service hours and exclusions such as project work or legacy hardware.
How much does outsourced IT infrastructure support cost?
Most providers charge a monthly fee per user, per device or per server, with project work billed separately. Costs depend on service hours, the number of locations, onsite needs, security services and how complex the environment is. Fully managed support usually costs more than co-managed plans that cover only monitoring and escalation.
What is co-managed IT support?
Co-managed support means an external provider shares responsibility with your internal IT team. Typically the provider supplies monitoring, after-hours coverage, tools and specialist skills, while your team handles business-specific work and decisions. It works best when roles, access rights and escalation paths are written down and both sides use the same ticketing system.
How do we switch infrastructure support providers without downtime?
Plan an overlap period where the new provider gets access, deploys monitoring and documents the environment while the old provider still supports it. Make sure you control admin credentials, licenses and domain accounts before notice is given. A transition commonly takes several weeks and should end with a verified backup restore and an updated asset inventory.
What questions should we ask in a reference call?
Ask how quickly the provider responds to urgent incidents, how often the same problems recur, whether engineers stay consistent and how well they document changes. Ask how they handled the client's worst outage and whether invoices matched expectations. References with an environment and team size similar to yours give the most useful answers.