Companies · category

Top IT Service Providers for .NET in the USA

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

Between them, the 600 best-ranked of these 713 IT service providers cover web development (568), android (472), iOS app (463) and PHP (457). They also list work in New York, India and United Kingdom. 600 of them have written a profile you can read before you get in touch.

We list more than 700 IT service providers in the USA listed for .NET development. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: SingleMind, INAP and UST Global.

Before you shortlist, check

Work on current .NET versions, not only legacy .NET Framework
A plan for moving any old .NET Framework code forward
Automated tests and deployment you can run yourself
That you own the code and the build pipeline

Filter by fitbudget, engagement, size and more

CirrusLabs
Mobile App Development · Web Development · iOS App
We build technology solutions that meet business needs. We’re specialists in the Cloud, Internet of Things, Analytics, and Automation.
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Hangar Technology
Mobile App Development · Web Development · iOS App
Reimagining the Way Industries, DRONES & Data Interact in the Physical World We’re building a platform that connects drones, people and data to make the places around us smarter,…
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Xnor AI
Mobile App Development · Web Development · iOS App
Xnor.ai brings highly efficient, super-powerful AI to edge devices such as cameras, cars, drones, wearables, and IoT devices.
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Optimal Design
Mobile App Development · Web Development · iOS App
Optimal Design is an award-winning product development and internet of things (IoT) solutions firm offering services from technology R&D, industrial design, engineering, software,…
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Fathym
Mobile App Development · Web Development · iOS App
Fathym is a low-code rapid innovation framework that empowers developers of all skill levels to rapidly and collaboratively build data applications that optimize businesses and…
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Zipit Wireless, Inc.
Mobile App Development · Web Development · iOS App
Internet of Things (IoT) \ M2M \ IoT Device Management \ IoT Connectivity \ IoT Managed Services \ IoT Billing & Subscription Management Zipit Wireless ("Zipit") is a provider of…
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SmartBIM
Mobile App Development · Web Development · iOS App
SmartBIM creates industry-leading software and services that empower building product manufacturers to rise to the challenges of digital transformation and best serve their…
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Sirqul
Mobile App Development · Web Development · PHP
Sirqul provides an IoT EaaS (Engagement as a Service) Platform with 72 APIs and over 30 customizable native application templates.
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Sensera
Mobile App Development · Web Development · PHP
The company designs and manufactures sub-components to systems thru technologies which connect the physical to the electrical world in sensors.
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AVDG
Mobile App Development · Web Development · iOS App
In the beginning, things were very simple. When AVDG opened our business in 1999 it was “entrepreneurship on a budget” and our goal was making sure that clients loved our service.
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Freckle IoT
Mobile App Development · Web Development · iOS App · Also in Canada
Freckle IoT is a global data company specializing in media measurement and identity.
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Bright Wolf, LLC
Mobile App Development · Web Development · iOS App
Bright Wolf is a trusted partner for industry leaders with a new vision for a connected world Our technology and experience help you deliver and measure tangible business value…
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Five Talent
Mobile App Development · Web Development · iOS App
Established in 2004, Five Talent is a collected team of experienced solution architects and developers, industry experts and business professionals that leverage shared talent and…
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Algoworks
Mobile App Development · Web Development · iOS App
Algoworks is an IT service provider recognized globally as technology experts with offices in Sunnyvale, California and Noida, India.
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Techverx
Mobile App Development · Custom Software Development · Web Development
Techverx is a full-stack software development company that goes way beyond mere technology; it offers an integrated approach of strategy, development, and operations.
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Vincit California
Mobile App Development · Web Development · iOS App
We approach each software development and design project with a full-service mindset.
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10Pearls
Mobile App Development · Web Development · iOS App
We believe that the success of a company is ultimately measured by its impact on people—its employees, its customers, and its community.
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OpenSource Technologies Inc.
Mobile App Development · Search Engine Optimization · Social Media Marketing
OpenSource Technologies is the progressive and rising company, attaining great fame through its active and growing participation in many major aspects of 'Web Development'…
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SolutionStream
Mobile App Development · Custom Software Development · Web Development
At SolutionStream, we are passionate about building world-class digital products that drive business results.
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Altaworx
Mobile App Development · Web Development · iOS App
Altaworx was founded in 2003 by Rickie Richey to address the emerging demand for Voice over Internet Protocol (VoIP) business telephone systems.
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Cityzenith, LLC
Mobile App Development · Web Development · iOS App
Cityzenith gives power to building industry professionals by aggregating all of their project data and software into a single tool: Smart World Pro.
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Zingbox Inc.
Mobile App Development · Web Development · iOS App
Zingbox detects and protects the connected equipment. It provides unparalleled visibility into the Internet of Things (IoT) infrastructure to reveal existing vulnerabilities and…
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Nwave Technologies
Mobile App Development · Web Development · iOS App
Nwave is a smart parking technology company that developed a revolutionary wireless parking management system to help parking asset operators streamline their processes Here at…
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SpinDance
Mobile App Development · Web Development · iOS App
SpinDance designs and develops fully integrated, custom software systems that bring products to life with elegant, compelling user experiences.
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How is this ranking worked out?

The order comes from what each firm publishes and what has been verified about it, and never from payment:

Profile completeness: the details a buyer needs to judge a firm — what it does, who it serves, how it prices, who it has worked for
Earned trust: verification, awards and the other checks a firm has actually passed
Client reviews, where they exist: the rating is smoothed, so one five-star review cannot outrank a firm with a hundred good ones, and volume counts with diminishing returns

Client reviews are still rare across this catalogue, so on most lists today the order is set by the first two. A firm near the top is the best-documented and best-verified one we hold, which is not the same claim as the best one to hire. Use the list to build a shortlist, then check the firms yourself.

Sponsored listings are labelled and shown apart from this list. How rankings work

Only firms whose profile names the USA are counted here, so a firm that lists a town but no country is not yet included.

Where else can I look?

The same list elsewhere: India (465) · UK (457) · Germany (222) · Canada (143).

Other specialisms in the USA: e-commerce (1,539) · Android app development (1,530) · iOS app development (1,452) · UI/UX design (1,355) · PHP development (946).

Every IT service provider in the USA: the full list.

Every category in the USA: the USA country page.

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

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More on TrustList

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

Top IT Service Providers for .NET in the USA

CirrusLabs

Hangar Technology

Xnor AI

Optimal Design

Fathym

Zipit Wireless, Inc.

SmartBIM

Sirqul

Sensera

AVDG

Freckle IoT

Bright Wolf, LLC

Five Talent

Algoworks

Techverx

Vincit California

10Pearls

OpenSource Technologies Inc.

SolutionStream

Altaworx

Cityzenith, LLC

Zingbox Inc.

Nwave Technologies

SpinDance