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Top Twitter Bootstrap Companies (205)

Fintech • Financial Services
2 Offices
1,400 Employees

Grow along with our rapidly expanding organization and help us build and serve up customized, unique technological and client service solutions! We’re pushing the boundaries of what a debt consolidation company can offer. But our mission to uplift isn’t limited to our clients — we know our people deserve to be elevated to their highest potential through growth opportunities, a healthy work-life balance, and continued support.


AdTech • Big Data • Digital Media • Marketing Tech
16 Offices
900 Employees

Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industry’s most actionable data to drive superior results for the world’s largest advertisers, publishers, and media platforms. IAS’s software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments, while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information, visit integralads.com.

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Big Data • Fintech • Information Technology • Insurance • Financial Services
3 Offices
6,000 Employees

Since 1851, MassMutual’s commitment has always been to help people protect their families, support their communities, and help one another. This is why we want to inspire people to Live Mutual. We’re people helping people. Together, we’re stronger.


Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI
6 Offices
2,000 Employees

Klaviyo (NYSE: KVYO) is the only CRM built for B2C brands. Powered by its built-in data platform and AI insights, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps relationship-driven brands like Mattel, Glossier, Core Power Yoga, Daily Harvest and 167,000+ others deliver 1:1 experiences at scale, improve efficiency, and drive revenue.


Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
74 Offices
364,000 Employees

We’re inspiring and empowering our people to change the world. Powered by the technology of today, you’ll work with diverse teams to build trust and create new client solutions in unexpected ways. The only way we can tackle the challenges of a fast-changing world is with people like you. Be a part of The New Equation.


Agency • Digital Media • Mobile • Design
2 Offices
100 Employees

Utility is an award-winning agency that crafts digital products that fuel tomorrow’s brands. We partner with our clients to design and develop custom mobile applications and websites that scale. From Fortune 500 brands to innovative startups, we work with clients to bring their big ideas to life and transform their businesses.


AdTech • Automotive • Big Data • Consumer Web
Santa Monica, California, USA
480 Employees

At Edmunds, we’re driven to make car buying easier. Ever since we began publishing printed car guides in the 60's, the company has been in the business of trust, innovating ways to empower and support car shoppers. When Edmunds launched the car industry’s first website in 1995, we established a leadership position online and have never looked back.


eCommerce • Fintech • Payments • Software
New York, New York, USA
119 Employees

Order.co is a spend efficiency platform with a mission to simplify buying for businesses. Order.co makes it easy for businesses to place and track purchases across all their vendors, control spend, and make payments in a single, consolidated bill. Tailored insights and purchasing recommendations fuel smarter spending decisions so businesses can easily save time and money on what they need to grow. Founded in 2016 and headquartered in New York City, Order.co oversees nearly half a billion in annualized spend across hundreds of customers like WeWork, SoulCycle, Lume, and High Level Health. Order.co has raised $50M in funding from industry-leading investors like MIT, Stage 2 Capital, Rally Ventures, 645 Ventures, and more. Order.co has been proudly named as a 50 to Watch by Spend Matters and a Best Place to Work by BuiltIn. See growth from a new perspective, when everything is in Order.co. For more information, visit Order.co.


Artificial Intelligence • Consumer Web • Edtech • Enterprise Web • HR Tech • Social Impact • Generative AI
11 Offices
1,500 Employees

At Udemy, we’re on a mission to transform lives through learning. Through our intelligent skills platform and a global community of instructors, we’ve helped 77 million learners and 17,000 organizations achieve their goals. Come join us in ensuring everyone, everywhere has access to the skills they need to unlock their potential and create possibilities for themselves and others.


Artificial Intelligence • Fintech • Insurance • Marketing Tech • Software • Analytics
6 Offices
45,000 Employees

Liberty Mutual Insurance exists to help people embrace today and confidently pursue tomorrow. A Fortune 100 company and global leader in property and casualty insurance, we’ve spent over a century creating innovative products, services and technologies to meet the world’s ever-changing needs and make a difference for our customers and communities.


AdTech • Digital Media • Fintech • Marketing Tech
Playa Vista, California, USA
130 Employees

Core Digital Media was founded to empower people to improve their financial lives. Our websites QuickenLoans.com and LowerMyBills.com provide consumers valuable information and company connections as you navigate life's biggest financial decisions.


Legal Tech • Professional Services • Software • Business Intelligence • Consulting
2 Offices
185 Employees

Expert Institute is the nation's leading expert consulting and insights platform, helping plaintiff firms win more cases and increase their profitability. Established in 2010, Expert Institute has supported over 5,000 firms nationwide across all areas of practice. We connect litigators with top industry experts, innovative litigation research, physician consultations, and comprehensive due diligence — all delivered through our SaaS platform, Expert iQ. Leveraging proprietary data and analytics, we give plaintiff firms a winning edge. Our team is composed of researchers, medical doctors, client advocates, business development leaders, and technologists. As we roll out new Expert iQ features, expand our client base, and onboard new experts, we’re always looking for the brightest talent to join our team.


Food • Sales • Manufacturing
2 Offices
1,500 Employees

King's Hawaiian is a family-run company that has been creating irresistible products since 1950. The original Hawaiian sweet bread was born at Robert Taira's bakeshop, "Robert's Bakery," in Hilo, Hawaii, and has since become a nationwide brand. Our mission is to deliver irresistible Hawaii-inspired Foods and Aloha Spirit that Families love everywhere, every day. As we grow, we're introducing new products, expanding our footprint, and connecting with the community to fulfill our vision: The KING’S HAWAIIAN® Brand is the global leader in the fast-growing Hawaii-inspired food category. Our people are recognized as the most skilled, empowered and highly motivated in the industry.


Agency • Angel or VC Firm • Co-Working Space or Incubator • Digital Media • Enterprise Web • Software • Consulting
Irvine, California, USA
65 Employees

Cie is a venture studio that serves as an innovation lab and accelerator for bold entrepreneurs who want to transform disruptive ideas into thriving ventures. Cie blends Silicon Valley DNA with the business maturity of serial entrepreneurs, seasoned venture capitalists, and Fortune 500 executives. Combined with the team’s strategic and operational expertise in technology, product development, brand building, and customer acquisition, Cie consistently drives positive outcomes across a wide range of business challenges. Cie’s venture portfolio includes Cie Games (acquired by Glu Mobile), Nativo, ASAP Tire (acquired by Tire Rack), Titan School Solutions (acquired by LINQ), Performa Labs, Apollo Education System, and a growing list of emerging start-ups. Cie’s leadership team has served key roles at transformational companies such as Amazon, eBay, Yahoo!, Overture, Pepsi, Nestlé, Saks Fifth Avenue, Goldman Sachs, and Internet Brands.


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.


Enterprise Web • Fintech • Marketing Tech • Software
Fully Remote, USA
425 Employees

Unanet is a leading provider of ERP and CRM solutions purpose-built for Government Contractors (GovCon) as well as Architecture, Engineering & Construction (AEC). Project-driven organizations depend on Unanet to turn their information into actionable insights, drive better decision-making, and accelerate business growth. All backed by a people-centered team invested in the success of your projects, people, and financials.


Fintech • News + Entertainment • Software • Database • Financial Services
7 Offices
708 Employees

Founded in 2013, Reorg has fundamentally changed the way financial and legal professionals access complex and opaque business information. Our unique editorial team combines reporting with financial and legal analysis to provide a holistic view of topical situations and delivers that view in real time through our proprietary platform, which is powered by machine learning and natural language processing applications. Today, with offices on three continents, Reorg serves 26,000 professionals across the world’s leading hedge funds, asset managers, investment banks, law firms and financial advisors so they can make better business, investment and advisory decisions. Our vision is to be the best-in-class provider of complex and opaque credit information delivered in a clear, actionable way.


Digital Media • eCommerce • Enterprise Web • Marketing Tech • Software • Design • SEO
6 Offices
210 Employees

Duda is the leading white label web building platform for digital agencies, SaaS platforms, and web professionals offering web design services to SMBs. Powering more than 1 million websites, Duda offers web professionals a comprehensive suite of tools to build pixel-perfect, feature-rich websites efficiently and at scale.


eCommerce • Mobile • Software • Design • Generative AI • Manufacturing
3 Offices
100 Employees

We're Mixbook, an award-winning design platform giving consumers unrivaled creative freedom to design and share one-of-a-kind stories, transforming the lives of more than 6M people. Today, Mixbook is the #1 rated photo book service in the US with 26K 5-star reviews. Mixbook combines unique, on-trend designs with a powerful editor, allowing you to create one-of-a-kind photo goods that truly reflect your personal style. We deeply believe photos matter, and that every photo tells a story of what matters most to you. Inside every person is a natural-born storyteller and we want to empower people to tell their stories through beautiful, personalized photo goods We’re laser focused on shaping the future of how people experience their memories. Our cutting edge platform leverages emerging technologies and builds upon modern cloud architecture to deliver interactive experiences through react and native mobile frameworks. Our future vision is lofty–a book creation experience that delivers advanced features and empowered methodologies, such as AI design, photo curation, image classification and discovery and optimization to consistently deliver delightful, memory capturing products and experiences to our customers. Come join us, be a part of our growing team of passionate trailblazers on our journey to make our vision a reality.


Artificial Intelligence • Healthtech • Professional Services • Analytics • Consulting
36 Offices
13,000 Employees

ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 13,000 employees in over 35 offices worldwide.