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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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INAP
Web Development · Web Design · eCommerce
We are a global provider of secure, performance-oriented infrastructure built to serve enterprises and digital innovators alike We bring together interconnected bare metal,…
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UST Global
Web Development · Web Design · UI/UX Design
Founded more than 50 years ago, this American company is one of the leading technology device manufacturers in the world As of 2020, the company employs more than 60,000 people and…
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General Networks
Social Media Marketing · SEO
General Networks Corporation delivers technology consulting services for customers who need to manage and process critical business content.
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Onit Digital, Inc.
Web Design · UI/UX Design · CMS Development
Onit Digital is a premiere provider of digital solutions. As a digital agency and top website design company, our team has created digital solutions for blue chip companies like…
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iManage
Mobile App Development · Web Design · UI/UX Design
iManage transforms how professionals in legal, accounting and financial services get work done by combining the power of artificial intelligence with market-leading content and…
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Sitel
Web Development · Web Design · iOS App
Sitel Group’s 75,000 people across the globe connect many of the world’s best-known brands with their customers - 3.5 million times every day.
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Rahi Systems
Mobile App Development · Web Development · Web Design
Rahi Systems delivers solutions and services that maximize the performance, scalability and efficiency of today’s integrated environment.
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Lucidworks
Custom Software Development · Web Development · Web Design
Lucidworks is shaping the future of digital experiences, AI, and machine learning by reimagining the power and value of cognitive search to create all-new, human-centered…
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Arise Virtual Solutions Inc.
Web Development · Web Design · UI/UX Design
Arise is a pioneer of on-demand customer management technology and business process outsourcing.
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Veritas Technologies LLC
Web Development · Web Design · UI/UX Design
At Veritas Technologies, we empower businesses of all sizes to discover the truth in information—their most important digital asset.
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RR Donnelley
Web Development · Web Design · iOS App
RRD is a leading global provider of multichannel solutions for marketing and business communications.
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Harte Hanks
Web Development · Web Design · UI/UX Design
Harte Hanks is a global marketing firm that specializes in helping brands win attention, build trust and earn loyalty in an ever-changing world.
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UsableNet
Web Development · Web Design · UI/UX Design
Founded in 2000, Usablenet started as a pioneer in web accessibility, evolving over time to become a leader in mobile and multichannel strategy and execution.
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SYKES
Web Development · Web Design · Android
Sykes Enterprises, Incorporated is a leading provider of multichannel demand generation and customer engagement services for Global 2000 companies and their end customers.
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Caresoft Global
Web Development · Web Design · iOS App
We are a global engineering solutions company working closely with major Automotive, On-Highway, Agriculture & Construction Equipment Manufacturers and Tier-I Suppliers to solve…
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ProArch
Web Development · Web Design · iOS App
We are a value-driven consulting and engineering partner, helping companies to design and execute their most challenging digital transformations in the cloud.
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Mastech
Web Development · Web Design · iOS App
Welcome to Mastech Digital. We are an IT Staffing and Digital Transformation Services company.
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SendBird
Mobile App Development · Web Development · Web Design
At SendBird, we are building the most scalable and powerful chat API in the world.
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Bootcamp Software, Inc.
ERP Software Development · ERP
Boot Camp offers predictive performance and capacity management solutions that predict performance, optimize existing IT infrastructures for improved return on investment, and…
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Pythian
Web Development · Web Design · iOS App
Pythian excels at helping businesses use their data and cloud to transform how they compete and win in this ever-changing environment by delivering advanced on-prem, hybrid, cloud…
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Rackspace
Web Development · Web Design · iOS App
Back when Rackspace launched in 1998, hundreds of IT hosting companies were providing access to single-tenant servers over the Internet.
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LTI - Larsen & Toubro Infotech
Web Development · Web Design · iOS App
LTI (NSE: LTI) is a global technology consulting and digital solutions Company helping more than 300 clients succeed in a converging world.
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Expedia Group
Web Development · Web Design · UI/UX Design
Expedia Group (NASDAQ: EXPE) is the world's travel platform, with the power to bring the world within reach for millions of people.
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Jumio Corporation
Web Development · Web Design · iOS App
When identity matters, trust Jumio. Jumio’s mission is to make the internet a safer place by protecting the ecosystems of businesses through cutting-edge online identity…
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Everything here links back to the same verified catalogue. Pick your next stop.

Top IT Services Companies in the USA

INAP

UST Global

General Networks

Onit Digital, Inc.

iManage

Sitel

Rahi Systems

Lucidworks

Arise Virtual Solutions Inc.

Veritas Technologies LLC

RR Donnelley

Harte Hanks

UsableNet

SYKES

Caresoft Global

ProArch

Mastech

SendBird

Bootcamp Software, Inc.

Pythian

Rackspace

LTI - Larsen & Toubro Infotech

Expedia Group

Jumio Corporation

Want to see your company here?

Get vetted

Sponsor the IT Services ranking

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