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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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Virtual Instruments
Web Development · Web Design · iOS App
Virtana delivers the industry’s only real-time monitoring and AIOps platform for mission-critical IT infrastructure — from the data center to the public cloud.
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Nowcomm
Mobile App Development · Web Development · Web Design
Nowcomm is a network skills, support and managed services company.
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Infoverity
Web Development · Web Design · UI/UX Design
Founded in 2011, Infoverity is a leading systems integrator and global provider of Master Data Management (MDM), Product Information Management (PIM) strategy and implementation,…
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Diligent Corporation
Web Development · Web Design · iOS App
Diligent is a pioneer in modern governance. We empower leaders to turn governance into a competitive advantage through unparalleled insight and highly secure, integrated SaaS…
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Lab49
Web Development · Web Design · iOS App
Lab49 specializes in the delivery of large-scale programs that transform the business and operations of the world’s leading capital markets firms.
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Data Intensity
Web Development · Web Design · WordPress
Data Intensity is a trusted Managed Services Provider; delivering business transformative solutions and services tailored to help our customers succeed in a hybrid multi-cloud…
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Dynamic Signal
Social Media Marketing · Web Development · Web Design
Dynamic Signal, the Employee Communication and Engagement Platform, connects organizations with their most valued asset – their employees.
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Young & Rubicam
Social Media Marketing · Web Development · Web Design
Y&R is a leading global marketing communications company, with more than 189 offices in 90+ countries. Our job is to Resist the Usual – the mission Y&R was founded on in 1923.
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SoftServe
Web Development · Web Design · iOS App
We are digital advisors and providers who operate at the cutting edge of technology. We deliver the innovation, quality, and speed that our clients’ users expect.
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Synchronoss Technologies
Web Development · Web Design · iOS App
Synchronoss (NASDAQ: SNCR) transforms the way companies create new revenue, reduce costs and delight their subscribers with cloud, messaging and digital products supporting…
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Grass Valley
Web Development · Web Design · iOS App
Grass Valley's end-to-end ecosystem of reliable, open standards-based solutions helps content creators, broadcasters and media organizations to produce brilliant content and build…
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XANT
Web Development · Web Design · UI/UX Design
XANT delivers the industry-leading sales engagement AI platform powered by Real DataTM.
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Symphony RetailAI
Web Development · Web Design · UI/UX Design
Symphony RetailAI offers the industry’s leading AI-enabled platform accompanied by a suite of customer-centric solutions that deliver profitable growth for retailers and CPG…
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Datto, Inc.
Web Development · Web Design · iOS App
As the world’s leading provider of IT solutions delivered by Managed Service Providers (MSPs), Datto believes there is no limit to what small and medium businesses can achieve with…
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Santex
Social Media Marketing · Web Development · Web Design
At Santex we provide on-demand software engineering services to help people and businesses throughout the world transform their vision into reality.
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Teradata
Web Development · Web Design · iOS App
It’s time to stop buying into partial solutions that overpromise and underdeliver. It’s time to invest in answers.
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Fiserv
Web Development · Web Design · iOS App
The small business owner ready to meet another busy day. The young home buyer on the way to her first real estate closing. Roommates splitting the monthly expenses.
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Experian
Social Media Marketing · Web Development · Web Design · Also in United Kingdom
Experian unlocks the power of data to create opportunities for consumers, businesses, and society.
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Aravo Solutions
Web Development · Web Design · UI/UX Design
Aravo Solutions delivers market-leading, cloud-based solutions for managing third party governance, risk, compliance, and performance.
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TUNE
Web Development · Web Design · WordPress
We build technology that powers successful marketing partnerships across mobile and web.
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MoEngage Inc.
Web Development · Web Design · UI/UX Design
MoEngage is an Intelligent Marketing Cloud, built for the Mobile-first world.
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Seal Software
Web Development · Web Design · iOS App
Seal Software is the leading provider of contract discovery and analytics.
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SAS
Web Development · Web Design · iOS App
SAS is the leader in business analytics software and services, and the largest independent vendor in the business intelligence market.
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Convergys
Web Development · Web Design · UI/UX Design
Concentrix, a wholly-owned subsidiary of SYNNEX Corporation (NYSE: SNX), is a technology-enabled global business services company specializing in customer engagement and improving…
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Top IT Services Companies in the USA

Virtual Instruments

Nowcomm

Infoverity

Diligent Corporation

Lab49

Data Intensity

Dynamic Signal

Young & Rubicam

SoftServe

Synchronoss Technologies

Grass Valley

XANT

Symphony RetailAI

Datto, Inc.

Santex

Teradata

Fiserv

Experian

Aravo Solutions

TUNE

MoEngage Inc.

Seal Software

SAS

Convergys

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