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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

Simplexity Product Development, Inc.
Mobile App Development · Web Development · iOS App
Simplexity is a product development engineering firm that strives for simplicity in design, reducing product costs and improving the reliability of technology products.
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Ameri100 Georgia
Mobile App Development · Web Development · iOS App
Ameri100 is a fast-growing technology services company that specializes in SAP and Google Cloud Solutions.
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TSR Solutions
Mobile App Development · Web Development · iOS App
In 1991, Tim Radtke, founder of TSR Solutions, had a single vision for the company: deliver technology solutions that are meaningful to our clients' business.
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Wizeline
Mobile App Development · Web Development · iOS App
Wizeline was founded in 2014 to help companies build better products faster while developing global talent.
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OptiSol Business Solutions
Mobile App Development · Web Development · iOS App
We are an IT services firm offering DIGITAL solutions for Startups and Enterprises.
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Merce Technologies Private Limited
Mobile App Development · Web Development · iOS App
Mercé is a software services company focusing on projects and services for BFSI and eGovernance sectors.
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TUV Rheinland OpenSky
Mobile App Development · Web Development · iOS App
TUV Rheinland OpenSky offers one of the most advanced and integrated portfolios of security solutions and services for connected devices, platforms and Internet of Things (IoT)…
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LSI Industries Inc.
Mobile App Development · Web Development · iOS App
We are a customer-centric company that positions itself as a value-added, trusted partner in developing superior image solutions through our world-class lighting, graphics, and…
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Security Innovation
Mobile App Development · Web Development · iOS App
Security Innovation is an authority on software security and helps organizations build and deploy more secure software.
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Sataware Technologies
Mobile App Development · iOS App · UI/UX Design
It all started in 2010 with our founders, Arun and Ashok; two brothers who used their technical expertise to help local businesses develop their digital presence on the web.
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Taction Software LLC
Mobile App Development · Web Development · iOS App
Founded in 2013 by a group of Enthusiastic Entrepreneurs having wide industry experience with the intention of making a difference in the lives of people.
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Techolution
Mobile App Development · Web Development · iOS App
We are on a mission to build tech solution to be a highly admired and globally recognized brand with a billion-dollar IPO in the next few years.
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Smartbridge
Mobile App Development · Web Development · iOS App
Smartbridge Focuses on Simplifying Business Transformation. WE Apply Thought Leadership and Innovation to Bring Our Customer’S Digital Agenda to Reality. Digital Agenda to Reality.
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Clarity Insights
Mobile App Development · Web Development · iOS App
Clarity Insights is a strategic partner to the nation's leading data-driven brands.
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Shinetech Software Inc.
Mobile App Development · Web Development · iOS App
Shinetech Software Inc. is an agile provider of application development and outsourcing, testing, systems integration, and solution delivery services from cost-competitive,…
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Mariner
Mobile App Development · Web Development · iOS App
Mariner provides industrial Internet of Things (IIoT) and analytic products and services for better decision-making to discrete and process manufacturers, worldwide.
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Techyard Softwares
Mobile App Development · Web Development · iOS App
Driven by the mission of “Helping Clients Succeed through transforming a Business idea into Innovative Solutions", Techyard is a growing IT consulting & software services provider…
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Myriad Mobile
Mobile App Development · Web Development · iOS App
Myriad Mobile is an experienced team of mobile developers, engineers, designers, architects, strategists, and industry thought leaders brought together by our love of all things…
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Appetizer Mobile LLC
Mobile App Development · Web Development · iOS App
Appetizer Mobile is an award-winning digital agency offering mobile application development, consulting and marketing.
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Rapidsoft Technologies
Mobile App Development · Web Development · iOS App
Rapidsoft Technologies is one of the leading companies in the global mobile & web software development industry.
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Cinchapi
Mobile App Development · Web Development · iOS App
Real-time insights with the power to act when it matters. Cinchapi is the code-free platform for data discovery, analytics, and automation powered by machine intelligence.
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AI Software LLC
Mobile App Development · Web Development · iOS App
AI Software is a software development company based in Troy, Michigan, with an office in Irvine, California and an international office in Ahmedabad, India.
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XIM, Inc.
Mobile App Development · Web Development · iOS App
The company's creators had acquired extensive experience in collaboration with US-based, Europe-based, and Indian outsourcing software development companies.
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InheritX Solutions Pvt. Ltd.
Mobile App Development · Web Development · iOS App
As per our Company name InheritX our team inherits (create extended version) X ( anything).
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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

Simplexity Product Development, Inc.

Ameri100 Georgia

TSR Solutions

Wizeline

OptiSol Business Solutions

Merce Technologies Private Limited

TUV Rheinland OpenSky

LSI Industries Inc.

Security Innovation

Sataware Technologies

Taction Software LLC

Techolution

Smartbridge

Clarity Insights

Shinetech Software Inc.

Mariner

Techyard Softwares

Myriad Mobile

Appetizer Mobile LLC

Rapidsoft Technologies

Cinchapi

AI Software LLC

XIM, Inc.

InheritX Solutions Pvt. Ltd.