Best 16 IT Support Outsourcing Companies in the USA
Outsourcing IT support is often less about replacing an internal team and more about giving the business steadier technical coverage. Some companies need a help desk that can respond faster. Others need support with infrastructure, cloud systems, cybersecurity, device management, or day-to-day troubleshooting that keeps pulling people away from their actual work.
The USA has a broad market for IT support outsourcing, from managed service providers working with small businesses to larger technology partners supporting enterprise environments. The differences are not always obvious at first glance. Some teams are stronger in remote help desk support, while others lean more into managed IT, security monitoring, cloud administration, or long-term technical planning. This article looks at IT support outsourcing companies in the USA from a practical angle.
1. Oski Solutions
At Oski Solutions, we provide IT support outsourcing services in the USA for companies that need steady technical help around software systems, cloud environments, web platforms, and day-to-day digital operations. Our work is not limited to fixing isolated issues. We usually support businesses that rely on their technology stack every day and need a partner who can help keep systems stable, improve older platforms, and support new development without adding unnecessary complexity.
Our team works across custom software development, cloud and DevOps, CMS support, API integrations, and ongoing technical maintenance. This makes us a practical fit for mid-size companies, growing startups, and internal enterprise teams that need flexible support rather than a fixed one-size setup. We are comfortable working remotely, joining existing workflows, and supporting long-term technical needs in areas like e-commerce, healthcare, fintech, education, logistics, manufacturing, SaaS, and professional services.
Key Highlights:
Focus on custom software, cloud, DevOps, CMS, and integrations
Remote-friendly work style with flexible project management
Focus on custom software, cloud, DevOps, CMS, and integrations
Suitable for companies modernizing older systems or scaling digital operations
Services:
IT support outsourcing
Custom software development
Web application development
Cloud support and DevOps
CMS development and maintenance
Umbraco and WordPress support
Contact Information:
Website: oski.site
E-mail: contact@oski.site
LinkedIn: www.linkedin.com/company/oski-solutions
Address: Kaupmehe tn 7, 10114 Tallinn, Estonia
Phone: +48571282759
Simplify IT Management
Outsource your IT support to experienced professionals and keep your systems running smoothly.
2. Accenture
Accenture is a large technology and consulting company that provides IT support outsourcing as part of its wider work across cloud, data, AI, cybersecurity, operations, and enterprise technology. Accenture is usually more relevant when IT support is tied to a bigger operating model - for example, modernizing legacy systems, improving service workflows, supporting cloud foundations, or bringing more automation into internal technology operations.
The company has a strong focus on AI, cloud readiness, resilience, and business change. That gives Accenture a slightly different place in the IT support outsourcing market. They are not only positioned around help desk tasks or basic troubleshooting. Their work fits businesses that need support across larger technology environments, where IT operations, customer care, finance systems, supply chains, and data workflows all connect.
Key Highlights:
Works across cloud, AI, data, enterprise systems, and operations
Suitable for larger organizations with complex technology environments
Focuses on resilience, workflow improvement, and operating model change
Connects IT support with broader transformation and modernization work
Services:
IT outsourcing
Cloud support
AI implementation
Cybersecurity support
Operations support
Data services
Contact Information:
Website: www.accenture.com
Address: 2 Headquarters Plaza, West Tower, Morristown, NJ, 07960
Phone: +19733001000
3. ScienceSoft
ScienceSoft is an IT services company with a clear focus on IT support, help desk, infrastructure management, application management, cloud support, and cybersecurity. In the IT support outsourcing space, ScienceSoft comes across as a more direct fit for companies that already have systems in place and need someone to keep them working properly.
ScienceSoft covers several levels of support, from L1 help desk requests to L2 technical investigation and L3 engineering work. That matters because many support problems do not stay neatly in one category. A user may report a simple issue, but the cause can sit in the application, infrastructure, cloud setup, or older code. Their services also include consulting support, managed cybersecurity, cloud management, infrastructure support, and application evolution, which makes them relevant for companies in the USA that want outsourced IT support with both daily response and deeper technical follow-through.
Key Highlights:
Covers L1, L2, and L3 support for users, systems, and business applications
Handles infrastructure, cloud, cybersecurity, and application management
Uses audits when support documentation is missing or unclear
Offers support for both ongoing maintenance and system improvement
Services:
L3 engineering support
Cloud management
Infrastructure management
Application support
Managed cybersecurity
Contact Information:
Website: www.scnsoft.com
E-mail: contact@scnsoft.com
Facebook: www.facebook.com/sciencesoft.solutions
Twitter: x.com/ScienceSoft
LinkedIn: www.linkedin.com/company/sciencesoft
Address: 5900 S. Lake Forest Drive Suite 300, McKinney, Dallas area, TX 75070
Phone: +1 214 306 6837
4. Tech.us
Tech.us provides IT outsourcing services for companies that want help with software development, cloud computing, cybersecurity, infrastructure management, quality assurance, business process automation, and application modernization. They frame outsourcing as a way to keep IT operations moving in the background while the internal team focuses on the business itself.
Tech.us may be a fit when IT support is connected with project delivery rather than only ticket handling. Their work includes consulting, planning, development, QA, infrastructure, cloud and DevOps, and cybersecurity. The company also offers different engagement models, including dedicated development teams, software development outsourcing, and staff augmentation.
Key Highlights:
Covers software development, infrastructure, cloud, cybersecurity, QA, and automation
Offers dedicated teams, staff augmentation, and software development outsourcing
Uses an agile work approach for larger or changing project needs
Supports both new development and modernization of existing systems
Services:
IT consulting
IT outsourcing
Software development
Infrastructure management
Cloud computing
Cybersecurity services
Contact Information:
Website: tech.us
E-mail: info@tech.us
Facebook: www.facebook.com/TechDotUs
Twitter: x.com/TechDotUs
LinkedIn: www.linkedin.com/company/techdotus
Instagram: www.instagram.com/TechDotUs
Address: 2033 Gateway Pl Ste 500, San Jose, CA 95110
Phone: 1-866-277-3383
5. OrangeMantra
OrangeMantra works in IT outsourcing and digital transformation, with services that connect software engineering, cloud work, AI/ML, and enterprise application modernization. Their role in IT support outsourcing is closer to technical operations support than a basic help desk model.
A noticeable part of OrangeMantra’s work is the mix of custom development and long-term system support. They cover areas such as retail, e-commerce, healthcare, logistics, and BFSI, so their IT support angle is often tied to business platforms rather than only internal devices or user tickets.
Key Highlights:
Covers custom software, cloud engineering, AI/ML, and platform support
Relevant for retail, e-commerce, healthcare, logistics, and BFSI companies
Uses agile delivery methods with flexible engagement options
Focuses on performance, scalability, and long-term system value
Services:
Cloud engineering
Custom software
IT outsourcing
AI/ML development
Application modernization
Contact Information:
Website: www.orangemantra.com
E-mail: contact@orangemantra.com
Facebook: www.facebook.com/OrangeMantraIndia
Twitter: x.com/OrangeMantraggn
LinkedIn: www.linkedin.com/company/orangemantra
Instagram: www.instagram.com/orange_mantra
Address: Unit No. 650, 6th Floor, Tower A, Spaze iTech Park, Sohna - Gurgaon Rd, Block S, Sector 49, Gurugram, Haryana 122018
Phone: +13204070078
6. Infosys
Infosys sits on the enterprise side of IT support outsourcing, with services shaped around cloud, AI, data, digital operations, and industry-specific technology programs. Their work is less about small day-to-day fixes and more about helping large organizations run, modernize, and connect complex technology environments.
Much of Infosys’ current positioning is built around Infosys Topaz for AI, Infosys Cobalt for cloud-powered transformation, and wider service work across financial services, manufacturing, utilities, insurance, healthcare, retail, logistics, communications, and life sciences. As an outsourcing partner, Infosys can support IT operations where data, cloud infrastructure, applications, and AI adoption all meet.
Key Highlights:
Works across IT services, consulting, cloud, AI, data, and digital operations
Uses Infosys Topaz for AI-focused enterprise work
Offers Infosys Cobalt for cloud transformation and related services
Services:
IT outsourcing
Cloud services
AI services
Data support
Digital operations
Enterprise consulting
Contact Information:
Website: www.infosys.com
Facebook: www.facebook.com/Infosys
Twitter: x.com/infosys
LinkedIn: www.linkedin.com/company/infosys
Address: One World Trade Center, Suite A, 79th floor, 285 Fulton St, New York, NY 10007
Phone: +1 646 254 3198
7. Cognizant
Cognizant works in the broader IT services space, with a strong focus on technology, engineering, business processes, and connected digital operations. Cognizant fits as a company that can support complex business environments where technical work is tied to systems, process improvement, and ongoing operational needs.
Cognizant also places a visible focus on people, flexibility, and team culture, which is worth noting because outsourced IT support often depends on how well teams communicate, not only on the tools they use. Their US career information points to roles in QA automation, healthcare API integration, Guidewire testing, and business process work, so the company appears especially relevant for organizations that need technical support around software quality, integrations, and managed technology functions.
Key Highlights:
Works across technology, engineering, and business process services
Relevant for outsourced IT support connected to software systems and operations
Has visible hiring activity in QA, API integration, automation, and technical roles
Places attention on team flexibility, associate wellbeing, and internal culture
Services:
Technology support
QA automation
API integration
IT outsourcing
Business processes
Contact Information:
Website: www.cognizant.com
E-mail: CogHudsonOps@cognizant.com
Facebook: www.facebook.com/Cognizant
Twitter: x.com/cognizant
LinkedIn: www.linkedin.com/company/cognizant
Instagram: www.instagram.com/cognizant
Address: Office, 550 west 34th Street, New York 10001, NY
Phone: (480) 375-7000
8. Wipro
Wipro approaches IT outsourcing through a structured enterprise operations lens, especially for engineering and construction organizations. The company focuses on turning IT operations into a more responsive and cost-aware function, with support for infrastructure, applications, technology, engineering, and process layers.
A key part of Wipro’s model is the use of ServiceNXT for managing infrastructure and application landscapes, along with WiDiRA as a reference architecture for IT systems. That gives their IT support outsourcing work a more formal operating framework, rather than a loose support arrangement. Wipro is better suited to businesses that need IT operations handled with clear structure, especially where engineering workflows, application stability, and infrastructure support are closely connected.
Key Highlights:
Provides IT outsourcing for engineering and construction organizations
Uses ServiceNXT to manage infrastructure and application environments
Applies WiDiRA for IT system architecture and delivery structure
Covers infrastructure, applications, technology, engineering, and processes
Services:
Infrastructure management
Application management
IT outsourcing
System architecture
Engineering IT support
Contact Information:
Website: www.wipro.com
E-mail: info@wipro.com
Facebook: www.facebook.com/WiproLimited
LinkedIn: www.linkedin.com/company/wipro
Instagram: www.instagram.com/wiprolimited
Address: 2 Tower Center Boulevard, Suite 2200 East Brunswick, NJ 08816
Phone: 848-297-1727
9. BairesDev
BairesDev works mainly through software development outsourcing, dedicated teams, and staff augmentation, with nearshore engineering teams across Latin America. In an IT support outsourcing context, they are most relevant when support is tied to software delivery, DevOps, QA, cloud work, product maintenance, or ongoing engineering capacity. They are not framed as a classic help desk provider, and that distinction is useful.
The company covers a wide technology range, from frontend and backend development to AI, data, cloud, DevOps, mobile, CRM, ERP, and ServiceNow-related work. BairesDev also puts weight on visibility during outsourced work, using status updates, software demos, and milestone reviews to keep clients close to delivery.
Key Highlights:
Focuses on software development outsourcing, dedicated teams, and staff augmentation
Covers frontend, backend, AI, data, cloud, DevOps, mobile, CRM, and ERP work
Supports end-to-end delivery from scoping to post-launch support
Offers full project outsourcing as well as engineers who join existing teams
Services:
Software outsourcing
Dedicated teams
Staff augmentation
Custom development
DevOps support
Contact Information:
Website: www.bairesdev.com
Facebook: www.facebook.com/bairesdev
Twitter: x.com/bairesdev
LinkedIn: www.linkedin.com/company/bairesdev
Instagram: www.instagram.com/bairesdev
Address: 195 Montague Street, New York, USA
Phone: +1 (408) 478-2739
10. Zazz
Zazz focuses on outsourced IT helpdesk services, with support that covers end users, technical escalations, ticket handling, devices, applications, monitoring, and security. The company’s setup is clearly built around help desk work rather than only software delivery, which makes Zazz a direct fit for this article.
Another useful detail is the way Zazz connects helpdesk support with compliance and day-to-day IT control. They work with ticketing systems, device configuration, patching, antivirus protection, and proactive monitoring, while also aligning support processes with standards such as ISO 27001, HIPAA, and GDPR.
Key Highlights:
Focuses specifically on outsourced IT helpdesk services
Covers end-user support, ticket handling, and multi-tier technical assistance
Provides device and application management for business users
Includes proactive monitoring, patching, and antivirus support
Services:
IT outsourcing
End-user support
Ticket management
Tiered support
Device management
Application support
Contact Information:
Website: www.zazz.io
Facebook: www.facebook.com/Zazz.Official
Twitter: x.com/Zazz_Official
LinkedIn: www.linkedin.com/company/zazz-io
Instagram: www.instagram.com/zazz.io
Address: Suite 3100, 325 North St. Paul Street, Dallas, TX 75201
11. DICEUS
DICEUS works across IT outsourcing, custom software development, infrastructure services, system integration, cloud work, software support, and cybersecurity. Their IT support outsourcing angle is broad, but not vague: they cover the kinds of work that sit around business systems after the first build, including maintenance, modernization, cloud management, data migration, and post-launch assistance.
What stands out in the DICEUS model is the split between development, support, infrastructure, and consulting. They handle software audits, legacy app modernization, DevOps, AWS cloud services, managed infrastructure, help desk outsourcing, application support, and mobile app maintenance. A company with older systems, uneven documentation, or several tools stitched together would probably need this kind of mixed support.
Key Highlights:
Covers IT outsourcing across software, infrastructure, cloud, and support
Provides post-launch software support and maintenance
Works with legacy modernization, system integration, and data migration
Offers help desk outsourcing, managed IT services, and co-managed IT services
Includes cybersecurity work such as penetration testing and security reviews
Services:
Help desk outsourcing
Managed IT services
IT outsourcing
Software support
Infrastructure support
Cloud management
Contact Information:
Website: diceus.com
E-mail: info@diceus.com
Facebook: www.facebook.com/DICEUS
Twitter: x.com/diceus_global
LinkedIn: www.linkedin.com/company/diceus
Address: 2810 N Church St, Ste 94987, Wilmington, Delaware 19802-4447
Phone: +1 (929) 309-1005
12. Telx
Telx Computers is a more hands-on IT outsourcing provider, with services built around daily business support, onsite visits, remote help, server maintenance, backups, email hosting, and workstation care. The company is based in Miami and also lists locations in New York and Los Angeles, so its model feels closer to traditional managed IT support than large-scale consulting.
Telx also covers the small operational details that are easy to overlook until something breaks. They handle service tickets, phone and email support, remote screen sharing, daily server backup checks, Windows updates, antivirus updates, network monitoring, and Microsoft Office troubleshooting. The onsite technician option is worth noting too, because some problems still need a person in the room, especially when hardware, local networks, or office setups are involved.
Key Highlights:
Supports Windows updates for servers and workstations
Includes domain and email hosting with spam and antivirus scanning
Provides Microsoft Office training and troubleshooting
Offers after-hours emergency support when needed
Services:
Outsourced IT support
Onsite technician support
Remote support
Phone support
Contact Information:
Website: www.telxcomputers.com
Twitter: x.com/Telx_Computers
LinkedIn: www.linkedin.com/company/telx-computers
Address: 67 NW 183rd ST, Miami Gardens, FL, 33169
Phone: 1.305.935.3876
13. ExterNetworks
ExterNetworks provides outsourced IT support services for businesses that need help with infrastructure, help desk work, networking, backups, monitoring, and day-to-day technical support. Their model is built around managed services rather than one-off fixes, with coverage for onsite support, remote support, network managed services, NOC support, break-fix work, and smart hands services.
A practical part of ExterNetworks is the way they connect support with governance, security, and business continuity. They cover areas such as data backups, disaster recovery planning, security monitoring, regulatory awareness, and proactive system checks. For companies that do not want to manage every part of IT internally, ExterNetworks can take on routine tasks as well as more technical infrastructure support.
Key Highlights:
Provides outsourced IT support, NOC services, help desk, and managed IT services
Covers onsite support, remote support, and break-fix service needs
Includes security services such as cyber threat monitoring, endpoint security, ransomware protection, and DDoS management
Supports business continuity through backups, disaster recovery planning, and proactive monitoring
Services:
Outsourced IT support
Help desk services
NOC support
Network monitoring
Managed servers
Managed firewall
Contact Information:
Website: www.extnoc.com
E-mail: sales@externetworks.com
Facebook: www.facebook.com/ExtNOC#
Twitter: x.com/ext_noc
LinkedIn: www.linkedin.com/company/ext-noc
Address: 20 Corporate Place South, Piscataway, New Jersey 08854, United States
Phone: (732) 624-1900
14. Computer Experts Corp.
Computer Experts Corp., also known as CEC, provides IT outsourcing services for businesses in San Jose and the wider Bay Area. Their support covers remote and on-site help, network management, security management, web platform support, and general IT operations.
A detail that gives CEC a more grounded position is their use of in-house infrastructure specialists instead of passing work to outside contractors. That matters for outsourced IT support because consistency can quickly become a problem when every issue lands with a different person.
Key Highlights:
Provides IT outsourcing services in San Jose and across the Bay Area
Uses in-house infrastructure specialists rather than relying mainly on outside contractors
Covers web platform support, network management, and security management
Supports both small companies and larger employee environments
Services:
Managed IT support
Network management
Security management
IT outsourcing
Cloud migration
Contact Information:
Website: www.computerexpertscorp.com
E-mail: sales@computerexpertscorp.com
Facebook: www.facebook.com/ceccomp
Twitter: x.com/ceccomp
Address: 20850 Saratoga Hills Rd, Saratoga, CA 95070
Phone: +408.866.5121
15. Gravity Systems
Gravity Systems handles outsourced IT support for businesses that need steady help with computers, networks, backups, cloud tools, cybersecurity, and remote work setups. Their service model feels very hands-on, with remote-access support backed by service partners across the country.
The company’s work includes continuous backups, system updates, hardware selection, installation, repair, troubleshooting, and network planning. Gravity Systems also covers managed services, helpdesk support, remote IT support, MFA implementation, MDR implementation, managed DNS, vulnerability assessments, and post-hack remediation.
Key Highlights:
Supports backups, updates, hardware setup, network planning, and troubleshooting
Has office locations in Austin, Houston, and Scottsdale
Covers cybersecurity services alongside general IT support
Works with remote work needs, cloud services, antispam, and online backup
Services:
Managed services
Remote IT support
Outsourced IT
Network services
Cybersecurity services
Cloud services
Contact Information:
Website: www.gravityusa.com
Facebook: www.facebook.com/GravitySystems
LinkedIn: www.linkedin.com/company/gravity-systems-inc-
Address: 8127 Mesa Dr Austin TX USA 78759
Phone: (512) 601 8005
16. LeadingIT
LeadingIT provides outsourced IT support for small and mid-sized organizations in the Chicago area, especially teams that need steady help without building a larger internal IT department. They cover the everyday support side - help desk requests, workstation issues, system monitoring - but also go into planning, compliance, cybersecurity, and backup work.
What makes LeadingIT useful for this topic is the way they combine managed IT with hands-on support and advisory services. A business may come to them for help desk coverage, but the service range also includes co-managed IT, disaster recovery planning, hardware management, HIPAA, PCI, and FTC compliance, structured cabling, VoIP, and vCIO support.
Key Highlights:
Provides outsourced IT support for Chicago and Chicagoland businesses
Focuses on small and mid-sized organizations with growing IT needs
Offers managed IT, co-managed IT, help desk, cybersecurity, and compliance support
Handles onboarding, IT assessments, and ongoing account guidance
Services:
Outsourced IT support
Managed IT
Co-managed IT
IT help desk
Cybersecurity
Data backup
Contact Information:
Website: goleadingit.com
Facebook: www.facebook.com/leadingit
LinkedIn: www.linkedin.com/company/leadingit-solutions
Address: 600 W Jackson Blvd, Chicago, IL 60661
Phone: 815-788-6041
Conclusion
Choosing an IT support outsourcing company in the USA usually comes down to how much support a business actually needs, not just the size of the provider. Some companies need a full managed IT partner that can handle help desk, devices, backups, security, and compliance. Others may only need extra technical capacity around cloud systems, software support, infrastructure, or co-managed IT. The right fit is often the company that understands the daily pressure points - slow response times, unclear ownership, recurring issues, aging systems - and can make those problems less visible to the rest of the team.
This article brings together providers with different strengths, from local managed IT firms to larger outsourcing and engineering companies. That range matters because IT support is not one fixed service anymore. It can mean a technician helping with workstation problems, a team monitoring servers overnight, a help desk handling tickets, or engineers keeping software platforms stable after launch. A good outsourcing decision should feel practical: clear scope, clear support channels, realistic service coverage, and a team that does not make technology feel harder than it already is.
