Top Companies Using C#

Products
Product
ZoomInfo Copilot
AI sales agent
GTM Workspace
AI workspace for smarter GTM
GTM Studio
Build and run GTM workflows triggered by buying signals
ZoomInfo MCP
Connect your AI to verified B2B data
Sales
Company and contact database
Marketing
Actionable ABM platform
Talent
Source the best and brightest
Operations
Lead routing and data quality
Data as a Service
ZoomInfo data for your GTM systems
Platform
Cloud partners
Ready, set, integrate
Platform overview
Connect industry-leading data across your entire tech stack
Marketplace
Unify teams, strategies, and data-driven technologies
Professional Services
Labs
Bring your AI and data-driven playbook to life
Data services
White glove services for large-scale and complex data requests
Enrich. Segment. Activate.
Solutions
Intelligence
Contact & company search
Define markets, discover ideal buyers
Lead generation
Convert contacts into pipeline
Buyer intent
Reach ready-to-buy prospects
Website visitor tracking
Turn page views into pipeline
Engagement
Sales automation
Streamline phone and email outreach
Conversation intelligence
Analyze every interaction
Website chat
Identify, engage, and route visitors
Web form optimization
Ask for less, deliver more
Ads audiences
Paid social on your target accounts
Orchestration
Workflows
Kickstart go-to-market activities
CRM enrichment
Clean, updated CRM
Predictive modeling
Meet your next customer
Data management
Automate engagement-ready data
Zoominfo in ChatGPT
Verified B2B intelligence in ChatGPT
Enterprise
Transformative solutions for industry leaders
API
Deliver data across business systems & workflows
Our Data
Overview
Global coverage
GTM Developers
Resources
Learn
Blog
Case studies
Resource center
Events
AI sales coach
Free tools
GTM plays
Help center
Company
About us
Careers
Partner program
Newsroom
Pricing

Filter Companies By

You're signed out.

46,285 companies using this technology

By Microsoft

C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines.

Top industries utilizing this technology

Business Services
Custom Software & IT Services
Software
Manufacturing
HR & Staffing

1-10 of 46,285 Companies using C#

Sort companies by

Revenue

1
Bechtle
Technologies used by the company: 286
Bechtle AG is an information technology services provider that delivers a broad range of IT solutions to business and public sector clients across Europe. The company focuses on IT infrastructure, managed services, cloud solutions, and digital transf ormation initiatives, combining consulting, system integration, and e commerce capabilities. It supports organizations in optimizing operations, enhancing cybersecurity, and modernizing technology environments through scalable and customer focused approaches Read more
Additional technologies used by Bechtle:
Core
SAP Integration Suite
SAP Signavio
See 286 technologies
2
Amazon
Technologies used by the company: 3,248
Amazon is a global e-commerce and cloud computing company founded in 1994 and headquartered in Seattle, Washington. The company operates through three main segments: North America, International, and Amazon Web Services (AWS). Amazon's retail platfor m offers millions of products across numerous categories through websites including amazon.com, amazon.ca, amazon.fr, amazon.de, and many others worldwide. The company manufactures electronic devices such as Kindle e-readers, Fire tablets, Fire TVs, and Echo smart speakers. Amazon provides services including AWS cloud computing, Kindle Direct Publishing for authors, marketplace platforms for third-party sellers, digital content streaming, and Amazon Prime membership program offering benefits like free shipping and media streaming. The company serves diverse customer segments including consumers, merchants, content creators, and enterprise clients across global markets. Read more
Additional technologies used by Amazon:
Apache Log4j
Ab Initio
Infinite Telecom
See 3,248 technologies
3
Walmart
Technologies used by the company: 2,812
Walmart Inc. engages in the operation of retail, wholesale, other units, and eCommerce worldwide. The company operates through three segments: Walmart U.S., Walmart International, and Sam's Club. It operates supercenters, supermarkets, hypermarkets, warehouse clubs, cash and carry stores, and discount stores under Walmart and Walmart Neighborhood Market brands; membership-only warehouse clubs; ecommerce websites, such as walmart.com.mx, walmart.ca, flipkart.com, PhonePe and other sites; and mobile commerce applications. The company offers grocery and consumables, including dairy, meat, bakery, deli, produce, dry, chilled or frozen packaged foods, alcoholic and nonalcoholic beverages, floral, snack foods, candy, other grocery items, health and beauty aids, paper goods, laundry and home care, baby care, pet supplies, and other consumable items; fuel, tobacco and other categories. It is also involved in the provision of health and wellness products covering pharmacy, optical and hearing services, and over-the-counter drugs and other medical products; and home and apparel including home improvement, outdoor living, gardening, furniture, apparel, jewelry, tools and power equipment, housewares, toys, seasonal items, mattresses and tire and battery centers. In addition, the company offers consumer electronics and accessories, software, video games, office supplies, appliances, and third-party gift cards. Further, it operates digital payment platforms; and offers financial services and related products, including money transfers, bill payments, money orders, check cashing, prepaid access, co-branded credit cards, installment lending, and earned wage access. Additionally, the company markets lines of merchandise under private brands, including Allswell, Athletic Works, Equate, and Free Assembly. Read more
Additional technologies used by Walmart:
BlackBerry Enterprise Server
Cinema 4D
Apache Log4j
See 2,812 technologies
4
UnitedHealth Group
Technologies used by the company: 3,034
Founded in 1977, UnitedHealth Group is a leading health insurance and healthcare services company. The organization provides a comprehensive range of health insurance plans, including medical, dental, vision, and life insurance coverage for individua ls and businesses. UnitedHealth Group also offers healthcare delivery services, technology solutions, and pharmacy benefits management through its diverse portfolio of subsidiaries operating across multiple countries worldwide. Read more
Additional technologies used by UnitedHealth Group:
Apache Log4j
Ab Initio
Revolut for Business
See 3,034 technologies
5
Saudi Aramco
Technologies used by the company: 263
Aramco Services Company (ASC) is a contributor to the U.S. energy sector through employment, partnerships with energy peers and oil services companies, joint industry and academic collaborations, and research and technology development. The company i s headquartered in Houston and maintains offices in New York, Washington D.C., Boston, and Detroit. Read more
Additional technologies used by Saudi Aramco:
DoubleClick Floodlight
SAP Ariba Sourcing
Siemens NX
See 263 technologies
6
Apple
Technologies used by the company: 2,485
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services. Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronal d Wayne, Apple has established itself as a global leader in innovation, known for creating premium products that integrate hardware, software, and services into a seamless ecosystem. The company's business model centers on delivering high-quality, user-friendly devices with distinctive industrial design and intuitive interfaces, complemented by a growing portfolio of digital services and subscription offerings. Apple operates through a vertically integrated approach, maintaining control over the entire product development process from design through manufacturing and retail distribution. The company's value proposition emphasizes product differentiation through proprietary technologies, seamless device integration, and a focus on user privacy and security. Apple serves diverse customer segments including tech enthusiasts, creative professionals, students, enterprises, and mass-market consumers through multiple channels including its iconic retail stores, online platforms, and authorized resellers worldwide. The company's integrated ecosystem strategy encourages customer loyalty by creating interconnected experiences across devices and services, positioning Apple as both a technology innovator and lifestyle brand. With substantial investments in research and development, Apple continues to explore emerging technologies while maintaining its commitment to design excellence, quality craftsmanship, and superior user experience that have defined the brand since its inception. Read more
Additional technologies used by Apple:
Dragon
JiBX
HEC-RAS
See 2,485 technologies
7
Sinopec Group
Technologies used by the company: 157
Sinopec Group is an integrated energy and chemical company in China. Its principal operations include the exploration and production, pipeline transportation and sale of petroleum and natural gas; the sale, storage and transportation of petroleum pro ducts, petrochemical products, coal chemical products, synthetic fibre, fertiliser and other chemical products; the import and export, including an import and export agency business, of petroleum, natural gas, petroleum products, petrochemical and chemical products, and other commodities and technologies; and research, development and application of technologies and information. Read more
Additional technologies used by Sinopec Group:
IBM SPSS
Check Point ClusterXL
NCR Retail Online
See 157 technologies
8
PetroChina
Technologies used by the company: 68
PetroChina Company Limited, founded in 1999, is China's largest oil and gas producer and distributor with a dominant position in the country's energy sector. The company operates globally across Asia, Europe, North America, South America, Africa, the Middle East, and Oceania, providing comprehensive energy services. PetroChina specializes in oil and gas exploration, production, refining, transportation, and marketing. As a publicly traded company, PetroChina is listed on multiple stock exchanges including the New York Stock Exchange, Hong Kong Stock Exchange, and Shanghai Stock Exchange. The company maintains a diverse portfolio of energy assets and infrastructure while offering both business-to-business services and mobile applications for its customers. Read more
Additional technologies used by PetroChina:
Informatica
MATLAB
MicroStation
See 68 technologies
9
Alphabet
Technologies used by the company: 79
Founded in 2015 and headquartered in Mountain View, CA, Alphabet Inc. is a holding company that engages in the business of acquisition and operation of different companies. Alphabet Inc. is a parent company of Google.
Additional technologies used by Alphabet:
MATLAB
Persona
Google Global Site Tag
See 79 technologies
10
CVS Health
Technologies used by the company: 2,885
CVS Health is building a world of health around every consumer. Their unmatched reach allows them to deliver high-quality, affordable health care when and how individuals choose. They are on a mission to deliver superior and more connected experience s, lower the cost of care and improve the health and well-being of those we serve. Read more
Additional technologies used by CVS Health:
BlackBerry Enterprise Server
Apache Log4j
IBM Retail Environment for SUSE Linux
See 2,885 technologies

Best Alternatives for C#

Usage statistics of alternative technologies to C#, based on Zoominfo's comprehensive dataset

CSS PHP HTML Lua GraphQL C#

Products owned by Microsoft

A closer look at Microsoft's additional technologies: understanding their comprehensive range of digital tools and creative solutions

Microsoft 365

Microsoft Exchange Online

Microsoft Dynamics 365 Business Central

ASP.NET

Microsoft

See more technologies

Additional top technologies lists

See additional lists of companies utilizing top technologies, ranked by revenue, size, and funding.

Frequently Asked Questions Regarding C#

What is the C# technology?

C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines. For more information,

What is C# technology’s market share?

C# market share is 0.15% out of all the technologies in the same category.

What companies are using C#?

From the data gathered in Zoominfo, Bechtle, Amazon, Walmart, UnitedHealth Group, Saudi Aramco, are using the C# technology. You can see the full list in the above results table.

How many companies are using C#?

46285 companies are using C#.

Which industries do companies commonly use C# for their needs?

Companies in Business Services, Custom Software & IT Services, Software commonly use C#.

What are the best alternatives for C#?

According to Zoominfo’s data CSS, PHP, HTML, Lua, GraphQL, are competitors of C#. For more information,

See more information about C#

Get Started with ZoomInfo

Sign Up for Free

Get started for free! No credit card needed. Enjoy up to 25 free contacts each month at no cost.

Supercharge Your Prospecting

Search ZoomInfo's database of 106M+ companies and 140M+ professionals to find your next lead.

Grow Your Business

Reveal both personal and business contact details, including emails and phone numbers, and close your most valuable buyers.

Most Searched Industries

Construction Law Firms & Legal Services Business Services Finance Manufacturing Agriculture Software Accounting & Accounting Services Retail Healthcare Energy, Utilities & Waste Treatment Telecommunications Transportation Real Estate

People Search Company Search

Filter Companies By

Industry

Location

Type

Size

You're signed out.

46,285 companies using this technology