Companies · category

Top IT Service Companies in Us

115 IT service companies ranked by rating, review volume and listing quality.

Between them, the 115 IT service companies on this page cover cloud (48), security (41), information technology (27) and business services (26). They also list work in Sydney, Brisbane, Europe and Melbourne. 114 of them have written a profile you can read before you get in touch.

Filter by fitbudget, engagement, size and more

General Informatics
Financial Services · Real Estate · Non Profit
We help make our clients more successful through technology and best practices.
Write a review
Gibson Consulting Group, LLC
Manufacturing · Learning · Logistics · Also in North America
Write a review
Global Technology Services
Financial Services · Software Development · Security · Also in United States and Europe
We are a consultancy and engineering company that delivers solutions for global organisations and startups We helping businesses and brands with digitalization through high quality…
Write a review
Grafted Strategies, LLC
Security · Partners · Goals
Making Technology Work. Together. Need help crafting and implementing a strategy to leverage technology, tools, and platforms to drive revenue, growth, and profitability?
Write a review
Gridware Cybersecurity
Security Management · Security · Government · Also in Sydney
Write a review
Hewstone IT
Cloud · Monitoring · Backup
Write a review
Home Team Consulting
Salesforce · Manufacturing
and support information into actionable insight.
Write a review
HTIS Telecom Private Limited
Partners · Industrial · Also in Haryana
We provide Installation & Commissioning services of all latest Telecom Equipments used in the industry with the support of highly trained support Technicians
Write a review
Huon IT
Information Technology · IT Security · Security Management · Also in Sydney
Write a review
IBT (Integrated Business Technologies)
Government · Engineering · Retail · Also in Melbourne
In 2019 the leading global data integration and management platform, Attunity, was acquired by Qlik, the world leader in analytics. Since 2014, IBT has delivered the vast ma
Write a review
iCT Group Australia
Cloud · Security · Partners · Also in Fleet and Sydney
iCT Group delivers the most advanced technologies and business solutions to meet the demands of our clients We can design bespoke ICT solutions to support businesses as they…
Write a review
ICT Networks
Security · Government · Monitoring
Build an agile, automated and ultra-efficient network that drives business success Leverage your network to thrive in today's hyper-competitive marketplace Cut through the BS and…
Write a review
InnoVites
Consumer Products & Services · Advertising & Marketing · Business Services
Write a review
Inspired IT Pty Ltd
IT Services · IT Security · Security
If you're interested in our ManagedIT services & what we can do for your company please complete the form below If you're looking for support with your current services please head…
Write a review
Intalock
Information Technology · Security · Partners · Also in Manila and Metro Manila
DO You Have Confidence That Your Data Is Secure? of cyber security solutions. One of our security specialists will call you and provide guidance to improve your security
Write a review
IntegrateIT Australia
Security · Also in Sydney
Write a review
Integration Alpha GmbH
Cloud · Partners · Learning
ai: As a hybrid, cloud-native platform for business visionaries, data engineers, data scientists and next-gen clients and users, ferris
Write a review
Intellicom
Monitoring · Banking · Schools · Also in Nebraska
Write a review
IntelligIS
Hospitality & Leisure · Information Technology · Business Services
IntelligIS is a state-of-the-art Managed Cloud, Security, and Services Provider that focuses on leading-edge hybrid workforce enablement, to help drive the highest levels of…
Write a review
Intello IT
Cloud · Goals · Energy
We’re so confident in our experience and knowledge that if we can’t fix it, we’ll work for free! MANAGEMENT?
Write a review
INTERCODEC
Energy & Natural Resources · Information Technology · Financial Services
We provide the best services reflecting the customer needs. We work with companies making their business processes more effective through the Salesforce platform Our team of…
Write a review
Intuit Technologies
Cloud · Partners · Creative · Also in Wellington
Client LoginIntuit Technologies Procurement PortalIntuit Technologies Customer PortalIntuit Technologies CNET Login Transform the way you do business.
Write a review
iQuest Consulting Pty Ltd
IT Services · Cloud · Security · Also in Perth
Write a review
Iron Horse Management Consultants
Insurance · Contractors · Construction · Also in Colorado and Louisiana
Known For Providing Solutions within Commercial and High Net Worth Property Our company is owned and managed by adjusters, and we understand loss and how it affects the lives of…
Write a review

For vendors

Want to see your company here?

The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

We check your registration, your website and your clients
Approved listings show the Verified badge here and on their profile
It earns a rank number and counts towards the TrustList Score; renewed yearly

Apply for vetting How vetting works

Sponsor this ranking

Paid · always labelled

A Sponsored card above the ranked list, up to three per ranking
Marked Sponsored, and it never changes the order
Booked by the month; cancel any time

Sponsor this ranking See prices

Same subject

More it service companies rankings

Every other way we rank it service companies — by what they do and where they are.

All 116 rankings

Articles

Latest insights

The newest guides and analysis from TrustList Insights.

All articles

News

20 Sept 2026 · TrustList Editorial

An open-weights release with a date, a name and an empty repository

A 600-billion-parameter flagship announced today says its weights arrive on 15 October. The repository named for them currently holds one…

News

20 Sept 2026 · TrustList Editorial

A faster model tier at two and a half times the price, with no claim of more capability

A hosted speed variant released on 18 September charges $0.37 and $1.25 per million tokens against $0.15 and $0.50 for the model it is…

News

20 Sept 2026 · TrustList Editorial

The open-model coding preview that ends on 14 October, and what it does to your plan

A research preview gives up to 50x more usage on open models in exchange for an opt-in that trains on your prompts, code and edit history.…

Browse

More categories

Jump to another ranked category.

All categories

Keep exploring

More on TrustList

Everything here links back to the same verified catalogue. Pick your next stop.