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Top IT Services Companies in the USA

871 IT service providers ranked by rating, review volume and listing quality.

IT services is the broadest label in this directory and covers, at different firms, entirely different work: managed infrastructure and helpdesk, project-based software delivery, cloud migration, security, procurement, or some combination sold as one relationship. Two providers under this heading may have almost nothing in common.

Because the label is wide, the useful filter is the engagement model rather than the capability list. Is this a retained relationship with a service-level agreement and a monthly cost, or project work quoted per piece? Who is accountable when something breaks at two in the morning, and what does the contract actually promise? A provider that answers those precisely is describing a real service; one that answers in capabilities is describing a brochure.

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Between them, the 600 best-ranked of these 871 IT service providers cover web development (463), web design (434), eCommerce (355) and iOS app (310). They also list work in United Kingdom. 594 of them have written a profile you can read before you get in touch.

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  1. Q

    Quadrant

    Web Development · Web Design · Big Data

    Quadrant is a data and technology organization specialized in high quality mobile location-based data.

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  2. T

    TruGolf

    Artificial Intelligence - AI · Video Games Development · Web Development

    Innovation is in our DNA. Since 1983, we have been passionate about driving the golf industry with the most realistic simulation engine possible.

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  3. RU

    Remote Utilities LLC

    Web Development · Web Design · iOS App

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  4. EI

    ENDFORCE Inc.

    Web Development · Web Design · iOS App

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  5. XT

    Xton Technologies

    iOS App · IT Solution · Android

    Xton Technologies builds, markets and distributes enterprise privileged identity and access management software including identity vault that enables permission-based sharing of…

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  6. NL

    Noxigen LLC

    Web Development · Web Design · IT Solution

    Great enterprise service management software doesn't have to be complicated or limited to Fortune 100 budgets.

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  7. SM

    Splice Machine

    Artificial Intelligence - AI · E-Commerce Development · Big Data

    Splice Machine is a scalable SQL database that enables companies to modernize their legacy and custom applications to be agile, data-rich, and intelligent – all without re-writes.

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  8. LR

    LexisNexis Risk Solutions

    Artificial Intelligence - AI · Software Development · E-Commerce Development

    LexisNexis® Risk Solutions provides customers with solutions and decision tools that combine public and industry specific content with advanced technology and analytics to assist…

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  9. RD

    Reach Digital

    Social Media Marketing · Search Engine Optimization · Web Development

    Reach Digital is a digital marketing agency that specializes in managing big-budget, high-volume pay-per-click accounts using a technology-based approach.

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  10. I

    IDMWORKS

    Web Development · Web Design · Data Center

    IDMWORKS is an expert-level Identity and Access Management consultancy having successfully driven 800+ IAM projects since 2004.

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  11. QI

    Quadrant Information Security

    Web Development · Web Design · iOS App

    Specializing in Enterprise Security consulting, Sagan Technology and Managed Security Services, Quadrant prides itself on delivering a holistic approach to help our customers…

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  12. MS

    Main Sequence Technology

    Web Development · Web Design · iOS App

    Main Sequence Technology, Inc. is one of the world's most successful developers of applicant tracking and staffing software.

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  13. SI

    Sequenc.io

    Web Development · Web Design · iOS App

    Sequenc.io was designed as a self-registration online cloud application for recruiters to effectively and efficiently coordinate and confirm interview appointments.

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  14. GM

    Granahan McCourt Capital

    Web Development · Web Design · iOS App

    We make transformational investments to build long-term partnerships that improve the lives of our customers.

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  15. MB

    Moxx B.V.

    Web Development · Software Development · FinTech

    Consumer behavior is changing rapidly; people are empowered, connected and expect an unprecedented level of service and convenience.

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  16. AE

    Arrow Electronics

    E-Commerce Development · IT Solution · Digital Marketing

    The work Arrow does go into everything from cars to coffee makers.

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  17. E

    Equinix

    Web Development · Web Design · Cloud Security

    Equinix, Inc. (Nasdaq: EQIX) connects the world’s leading businesses to their customers, employees, and partners inside the most interconnected data centers.

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  18. R

    Realizeit

    Web Development · Web Design · iOS App

    Our passion and purpose at Realizeit are to provide every learner the opportunity to achieve his or her full learning potential.

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  19. R

    RapidRatings

    Web Development · Web Design · iOS App

    RapidRatings is transforming the way the world’s leading companies manage enterprise and financial risk.

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  20. TD

    The Designory

    Social Media Marketing · Web Development · Web Design

    Most people would describe us as a global, full-service agency. But we think of ourselves as marketers with great stories to tell.

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  21. P

    Percona

    Web Development · Web Design · DataBase

    Percona is a leader in providing best-of-breed enterprise-class support, consulting, managed services, training and software for MySQL®, MariaDB®, MongoDB®, PostgreSQL and other…

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  22. F

    Forerunner

    Web Development · Web Design · iOS App

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  23. MB

    Managed by Q

    Web Development · Web Design · iOS App

    Managed by Q is the platform for workplace management. We help the world’s leading companies design, build, staff, and manage their workplaces.

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  24. T

    Tacton

    Artificial Intelligence - AI · Web Development · Web Design

    Tacton enables Smart Commerce for manufacturers by empowering organizations to extend beyond traditional commerce.

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