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Top C# Companies (780)

Fintech • Insurance • Machine Learning • Other • Analytics • Automation
Fully Remote, USA
400 Employees

Pie is transforming small business insurance. Our team of seasoned technology and insurance experts are on a mission to empower small businesses to thrive by making insurance affordable and as easy as pie.


Automotive • Professional Services • Software • Consulting • Energy • Chemical • Renewable Energy
24 Offices
15,000 Employees

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in our customers’ products and reflect an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.


Artificial Intelligence • eCommerce • Information Technology • Mobile • Payments • App development • Utilities
4 Offices
600 Employees

KUBRA provides customer experience management solutions to some of the largest utility and government entities across North America. Our portfolio of meter-to-cash and outage communication solutions includes billing and payment, mapping, mobile apps and proactive communications solutions for customers. With more than one billion customer experiences annually, KUBRA services reach over 40% of U.S. households. KUBRA is an operating subsidiary of the Hearst Corporation.


Automotive • Hardware • Internet of Things • Mobile • Software • App development • PropTech
Oak Brook, Illinois, USA
5,637 Employees

Chamberlain Group is a global leader in intelligent access and Blackstone portfolio company. Our innovative products, combined with intuitive software solutions, comprise a myQ ecosystem that delivers seamless, secure, access to people's homes and businesses. Our recognizable brands, including LiftMaster® and Chamberlain® , are found in 50+ million homes, and 10+ million people rely on our myQ® app daily to control and monitor their homes, communities and businesses, from anywhere. Our patented vehicle-to-home connectivity solution, myQ Connected Garage, is available in millions of vehicles from the leading automakers.


Artificial Intelligence • Big Data • Cloud • Software
Fully Remote, USA
450 Employees

Vendavo partners with the world’s leading companies to accelerate growth and profitability, advance innovation, and build more prosperous communities. Our powerful, cloud-based, AI-powered pricing, selling, and prescribing solutions empower global manufacturers and distributors like Ford, Avnet, and Medtronic to manage, optimize, and digitize their end-to-end commercial processes. But we offer so much more than software. Our proven, repeatable process, and passionate, experienced people accelerate value and drive profitable, unrivaled business outcomes for our customers. We are passionate about helping our customers deliver the right products, at the right prices, at the right time, for the right people. Vendavo is headquartered in Denver, CO and has offices around the globe.


Fintech • Information Technology • Other • Software • Financial Services
4 Offices
265 Employees

In March of 2002, Belvedere Trading emerged as Chicago’s newest market maker, soon to join the ranks of the Windy City’s elite proprietary trading firms. Armed with printouts of Excel workbooks and a team of eager minds, Belvedere established their place in the SPX pit on the floor of the Chicago Board Options Exchange. From the beginning, we have iteratively invested in our proprietary technology and made a commitment to building our software systems from the ground up. Due to our ultramodern proprietary technology and risk management capabilities, Belvedere is able to quickly capitalize on inefficiencies in the marketplace. Our trading models and software systems are continually re-engineered, optimized, and maintained to stay on top of the industry. Building and nurturing a strong culture is one of Belvedere’s highest priorities, and we are always looking for the best and brightest talent to help us in our continued success.


Artificial Intelligence • Big Data • Retail • Security • Social Impact • Software • Business Intelligence
4 Offices
212 Employees

We have over 33,000 retail stores and 50,000 retail users using the Auror platform globally. We have a common goal - that is to connect people and organisations with timely intel to proactively combat highly Organized Retail Crime (ORC) groups who are reselling billions of dollars in merchandise. The impact that shoplifting has on profits, customer experience and in-store safety has reached epidemic levels globally, and we are here to partner with retailers and law enforcement to ultimately build safer communities. We are a global organisation with teams across New Zealand, Australia, United States, Canada and the United Kingdom. Despite the geographical locations and time zone differences, we strive to maintain a collaborative work culture and do our best to avoid silos. We do this by creating a talent selection process that is inclusive and reflective of our culture and what’s important to us.


Fintech • Financial Services
Chicago, Illinois, USA
100 Employees

CRSP provides data of the highest integrity and transparency to ensure the strongest foundation for economic forecasting, stock market research and financial analysis conducted by academic organizations, investment banks, brokerage firms, corporations, and government agencies. Our data has led to the transformation of the world of finance.


Fintech • Mobile • Payments • Social Impact
2 Offices
70 Employees

Pangea offers a smarter way for people to move money around the world to friends and family. Founded in 2012, Pangea started with a mission to revolutionize the remittance industry by providing customers a powerful, easy-to-use mobile application to send money internationally. Since then, we have grown to offer additional products and services to help underbanked immigrants gain financial independence. Pangea operates as an independent subsidiary under Enova International (NYSE: ENVA). Also headquartered in Chicago, Enova is a leading financial technology company offering accessible credit to millions of customers. Together, Pangea and Enova are on a mission to help hardworking people get access to fair financial services.


Cloud • Consumer Web • Digital Media • News + Entertainment
10 Offices
4,000 Employees

At MediaNews Group, our employees are our greatest asset. MediaNews Group (MNG) was established in 1985 and has over 4,000 employees nationwide including subsidiaries and other corporate affiliates. There are more than 100 different brands within our portfolio. In addition to our print products, we are a client-centric digital organization that brings scale, precision, and sophistication to digital marketing. Leveraging the belief that people matter as much as technology, our suite of products, including Adtaxi, helps advertisers solve complex marketing challenges with custom, performance-driven solutions. Readers turn to us for all the news and information that matters to them nationwide. Adtaxi is an exclusive program with the ability to reach 196M or 95% of the U.S. wired population that was established in 2010. Learn more at www.medianewsgroup.com.


Cloud • Information Technology • Software • Analytics
2 Offices
103 Employees

RapidDeploy is the industry’s only truly open and integrated emergency response platform, transforming 9-1-1 communications centers of any size into data-centric organizations. RapidDeploy achieves new levels of situational awareness and reduces 9-1-1 response time by seamlessly integrating third-party data ensuring it is available when, where and how emergency responders need it.


Fintech • Real Estate • Software • PropTech
New York, New York, USA
56 Employees

Our all-in-one rental ecosystem establishes airtight trust between property managers and residents, unlocking a fast and fair experience for all. We build advanced tools and intuitive experiences to serve all sides of the rental equation: helping property managers grow their communities safely, and simplifying the path home for renters all across the US.


AdTech • Agency • Automotive • Marketing Tech • Social Media • Software • SEO
Fully Remote, USA
500 Employees

Affinitiv is the largest provider of end-to-end, data-driven marketing and software solutions exclusively focused on the automotive customer lifecycle. Backed by 20+ years of automotive and marketing expertise, we pride ourselves on being the go-to experts in the industry. Our Mission is to drive the next generation customer experience by partnering with OEMs and retailers to accelerate performance and inspire loyalty. Our Vision is to create customers for life through reimagined experiences. AFFINITIV CORE VALUES PASSION Passion generates excitement for what we do and how we do it. With Passion at the heart of everything we do, we nurture ideas, inspire excellence, and find creative ways to eliminate obstacles for cultivating growth.     INTEGRITY Integrity creates trust. As an organization, collectively, it's our most valuable asset. Individually, it's the constant choice to infuse every action with honesty, fairness, and respect for clients and colleagues alike.  UNITY Unity celebrates diversity. Synergizing the collective experiences, varied skills, and unique talents of every team member builds unstoppable momentum and drives unimaginable achievements.  INNOVATION Innovation motivates action: to take risks, encourage curiosity and new ideas, learn from mistakes, and constantly strive to exceed expectations. Through innovation, we generate solutions for our customers and raise the bar - both within our workplace and throughout our industry.    IMPACT Impact demonstrates the immeasurable power of our shared values and collective effort to effect positive, ground-breaking change and deliver excellence for our customers, colleagues, and communities. 


Artificial Intelligence • Big Data • Healthtech • Machine Learning • Professional Services • Consulting • Design
2 Offices
130 Employees

Founded in 2006, 8th Light is a global team of software, design, and technology professionals. We partner with forward-thinking people and organizations to help them imagine and create elegant, robust, and groundbreaking software solutions to complex problems. With deep expertise and experience in software design, development, data, and DevOps, we work with a wide range of clients who are looking to achieve equally diverse outcomes. Rooted in a culture of continuous learning and collaboration, we’re employee-owned, and headquartered in Chicago, but our more than 130 team members live and work in locations including London, New York, Los Angeles, and Austin. Whether we’re crafting digital experiences that inform and inspire, energizing and empowering enterprises through technology-driven transformation, or nurturing and guiding internal teams looking to expand their own technological expertise and software-building capabilities, our objective is always the same: to help unlock human potential and spark change.


Healthtech • Security • Software • Cybersecurity
7 Offices
957 Employees

For over 20 years, we’ve been redefining how life- and mission-critical industries enable, control, and monitor digital identities to deliver fast access, improve security, and ensure compliance. Customer success is our DNA, which is why we’re trusted by the most prominent healthcare and enterprise organizations in 45 countries.


Fintech • Information Technology • Security • Financial Services
Lakewood, Colorado, USA
3,000 Employees

We serve as the technical force behind Colorado’s largest locally owned bank. Our technology department is 400+ strong, with continued plans for growth. We owe our success to the core values we’ve held since being founded in 1963. Our mission is 'banking for good', to do our best to do right by our customers, communities, and employees.


AdTech • Gaming • Mobile • Software
Irvine, California, USA
226 Employees

We are MobilityWare! Our mission is simple: we focus on creating fun and engaging experiences that unleash the gamer in everyone. We have an awesome culture of innovation, collaboration, and fun. Located in Irvine, California, we have been named one of Orange County's Best Places to Work by multiple publications.


Cloud • Enterprise Web • Hardware • Information Technology • Internet of Things • Robotics • Semiconductor
9 Offices
22,000 Employees

A Fortune 500 company, ranked #133 in 2024, with over 22,000 employees worldwide, Arrow guides innovation forward for over 220,000 leading technology manufacturers and service providers. With 2023 sales of $33 billion, Arrow develops technology solutions that improve business and daily life. Arrow.com is the easiest place for innovators to create, make and manage technology.


Fitness • Music • Software
Louisville, Colorado, USA
269 Employees

THE PEAKSWARE COLLECTIVE What do athletes and musicians have in common? A lot, actually. They both chase a “next.” They both practice like it’s not practice. They both fine tune their physical and mental beings. They both get a rush from a new mastery, no matter how incremental. And they both co-exist creatively and collaboratively as members of the Peaksware companies. Each of our platform brands has a distinct mission. But they share a common goal: to provide passionate people with the resources to take their pursuits higher. We invite you to get acquainted with our collective of performance-oriented companies that bring like-minded people together. TRAININGPEAKS TrainingPeaks develops software for coaches and athletes to track, analyze, and plan endurance training. TRAINHEROIC TrainHeroic develops software to solve the strength and conditioning needs of coaches and athletes. MAKEMUSIC MakeMusic develops software to transform how music is composed, taught, learned, and performed. ALFRED MUSIC Alfred Music provides method books, performance sheet music, and reference materials for teachers and students. HERE, PRACTICE MAKES PERFECT SENSE Each of our platforms connects creators, instructors, and performers through the training model of Deliberate Practice. Athletes and musicians set a specific goal, get expert instruction, perform focused practice, and receive immediate feedback. And they follow these steps over and over. The path from novice to expert runs through Peaksware.


Fintech • Software • Financial Services
3 Offices
300 Employees

Pontera is a Fintech company that helps financial advisors report on, manage, and trade their clients' held-away accounts, including 401(k)s, 403(b)s, HSAs and more. The platform is designed to work across account types and integrate seamlessly into existing technology to help advisors improve their clients' financial outcomes. Founded in 2012, Pontera is headquartered in New York City. At the core of our team is a strong belief that helping people retire comfortably is of critical importance. Pontera is designed to help advisors not only analyze their clients’ held away accounts to provide greater visibility, but to enable advisors to take action and manage accounts on their clients’ behalf, improving the client experience, potentially adding accretive performance, and helping to mitigate compliance and security concerns around managing held away accounts. Each of us believes strongly in the mission of helping millions of people achieve the best retirement possible.