Yammer ( www.yammer.com ) is the leading provider of enterprise social networks, enabling organizations to make transformative changes quickly by empowering employees to collaborate across departments, geographies, content and business applications. The basic version of Yammer is free, and customers can pay to upgrade their network to receive additional administrative and security controls, priority customer service and a dedicated customer success manager. Companies and organizations from across the globe, including more than 85 percent of the Fortune 500, are using our award-winning Software-as-a-Service (SaaS) solution to improve employee productivity and engagement.

Yapert is an interactive mobile magazine bringing fans the best video and image-based trending content from the visual web, all in one place based on the most popular interests of today. Yapert simplifies the social experience to deliver real-time streams of what's trending in music, entertainment, sports, fashion, fitness and lifestyle. By personalizing the app through the Favorites option, fans will be notified when there is new content or a direct message from the interests they care about the most. By directly working with content creators such as media companies, brands, entertainers, and musicians, Yapert offers exclusive, behind the scenes content through 'Inside Pass' subscriptions.

YapStone is a provider of online and mobile payment solutions for global marketplaces, software, and large vertical markets, powering electronic payments for sharing economy marketplaces, such as HomeAway and VRBO, and thousands of apartment and vacation rental companies, homeowners' associations, self-storage companies, and many other markets.

Yapta is a pioneer in airfare price assurance services for travelers, and the developer of FareIQ, the corporate travel industry's only independent airfare price tracking solution. Launched in 2007 as the travel industry's first airfare price tracking and refund alert service, Yapta quickly gained more than 1 million registered members and delivered more than $450 million in airfare savings alerts to consumers. Today, Yapta's technology is helping companies with heavy travel volumes reduce their spend and extend their T&E budget by constantly tracking booked airfares and flagging lower rates when they become available.

YaSabe.com is an online search engine to help Latinos in the US find and discover businesses, jobs, and other information locally. The company has a strong focus on Latin culture via a fully bilingual interface and deep local content such as Spanish-speaking businesses, Latin restaurants, food and clothing. The Q&A-style bulletin board service lets users post questions and receive crowd-sourced answers and personalized recommendations. YaSabe also offers a real-time activity feed and notification service that helps consumers stay connected to their communities, featuring new coupons, Latin events, user reviewed businesses and more.

YCharts is building an ever-expanding financial and economic data set - as well as the tools to access and interpret that data - to help investors and business people make better decisions. YCharts and YCharts Pro provide institutional quality data and analytics for investors and business professionals.

YeHive, available for iPhone and Android devices, allows users to create event pages and share the experience with family, friends and attendees. YeHive's tagline is 'Be there.' For those unable to attend any event, you can have the full experience through viewing real-time postings from multiple vantage points. YeHive allows users to hone in exclusively on events they are interested, instead of having to wade through a cluttered newsfeed or track down hashtags or keywords on a network like twitter. YeHive has been successfully used for birthdays, concerts, wedding, sporting events and a host of other social events and special occasions.

Yello enables companies to humanize the candidate experience. Yello's talent acquisition platform empowers recruiting departments to provide unprecedented speed and transparency throughout the candidate journey. Founded in 2008, Yello supports hundreds of organizations globally by serving as a key strategic partner in optimizing their recruiting operations and talent relationship management.

Yellowbrick Data empowers companies to make faster decisions with all of their data. Built for enterprises and the hybrid cloud, the Yellowbrick Data Warehouse deploys powerful analytics anywhere, with best in-class economics.

Yellowdig has completed pilots across many of America's best universities. Yellowdig is a carefully designed hybrid between a university social network and a course management tool. The Yellowdig platform helps establish knowledge communities, increase students' knowledge of current affairs related to coursework, and dramatically increase course participation and engagement.

Yeloha is the world's Solar Sharing Network™. Our mission is to unleash the benefits of solar energy to all people, regardless of where they live and their economic status. Solar Sharing removes the obstacles going solar once presented (including needing your own roof!), changing the way people generate and pay for their electricity. Yeloha makes it simple and attainable to save your money, support your local economy, and help save something else that could use your consideration these days: our planet.

Yesware is an email service that helps salespeople close more business. Integrated into Gmail, Yesware provides email tracking & analytics, customizable sales templates, CRM integration and more to help salespeople communicate with customers more effectively. Investors in Yesware include Google Ventures, Foundry Group, Golden Venture Partners, and IDG Ventures.

Yet Analytics delivers experience intelligence in human capital analytics by providing a dynamic and interactive analytics platform contributing insight into the operational optimization of talent through the real-time visualization of trends in engagement, learning, information usage and team behaviors.

Founded in 2013, YEVVO is a raw, responsive medium to create your story with others in real time through live, mobile video. Built to power unfiltered, real-time storytelling and participation, YEVVO is live or never -- just slide to stream or to watch.

Founded in 2011, Yewno is sparking curiosity, passion and the thirst for knowledge by building the technology to enable connections between concepts and content. Yewno is comprised of a team of hands-on entrepreneurs, engineers and data scientists who have experience with technology startups and publicly-traded stalwarts alike. Advancing a bold vision of enhancing human understanding, Yewno is venture-funded with private beta currently with leading companies worldwide.

Yext provides amazing local search results with PowerListings, a local information hub that syncs listings across a network of premium sites and mobile apps. With Yext PowerListings, small and large businesses can quickly and easily update their business information, photos and specials from one central location. Today, Yext PowerListings syncs information for over 50,000 locations. The company was founded in 2006 by Howard Lerman, Brian Distelburger and Brent Metz.

Yieldbot is the only media channel that uses first-party data to target real-time consumer intent. The company works with all the major agency holding companies and biggest brands in the world, to help them understand in real-time where a consumer is in the marketing funnel and match them with the messages that will move them to purchase.

YieldMo was founded in 2012 by Michael Yavonditte, Teddy Jawde, Todd Coleman and Rick Eaton. The founding team previously built Quigo Technologies, a Web advertising company that was acquired by AOL in 2007. YieldMo's system addresses prevalent issues of privacy and effective targeting with mobile in mind. YieldMo is distinct in that it deals only with premium publishers, does not require user tracking or targeting and enables both publishers and marketers to showcase and optimize their brands in order to yield their due share.

YieldStreet is changing the way wealth is created, providing access to asset based investments historically unavailable to most investors. YieldStreet allows you to participate in investment opportunities with low stock market correlation and target yields of 8-20%, across litigation finance, real estate and other alternative asset classes. We believe our technology platform creates a unique experience for investors at every level and provides valuable diversification and strength to most portfolios.

Yiftee (yiftee.com) is an exciting new mobile app, web service and API (Application Programming Interface) that lets consumers and businesses send thoughtful, unexpected gifts to friends, family and colleagues quickly via email, text and Facebook. Recipients pick up their Yiftee gifts using their smart phones at their favorite local restaurants and shops, driving profitable business to those merchants. Merchants gain additional sales, foot traffic, an eGifting capability like the big retailers and a free mobile/web sales channel. YifteePro is a free web service (pro.yiftee.com) streamlined for gifting to groups. Yiftee makes money with a convenience fee that is added to the gift value when the gift is sent.

Yik Yak, Inc. is the first app that enables hyper-local communication on iOS and Android devices while retaining users' privacy. Meet friends, start a cause, share jokes, or deliver news to anyone within a common area. The fast-growing app is popular among college campuses and in areas where events worth sharing are occurring. The app enables any mobile user to deliver relevant, timely content to hyper-local areas of people, whether it is a funny sighting or emergency news.

YmAbs is a clinical stage biopharmaceutical company focused on developing new cancer treatments through immunotherapies. Our lead antibody programs target GD2 and B7-H3. In addition, YmAbs utilizes its platform technologies to create next-generation humanized, affinity matured bispecific antibodies.

Yogome creates powerful learning experiences through a fun and engaging game-based curriculum and captivating characters. Our personalized adaptive learning platform is comprised of over 2,000 activities and six different apps and was evaluated by Yale's Play2Prevent Lab. New games, videos, and interactive books are added to the platform every month in nine different subjects for grades kindergarten through fifth, with content available in English, Spanish, Portuguese, Chinese, Korean, and Japanese. Based in Mexico and the United States, Yogome is committed to creating a brighter future for all children.

Yoshi delivers gas, oil changes, car washes, and anything else your car needs, while it's parked so you can keep moving. Yoshi's mission is to keep vehicles moving in the safest, most efficient, and planetfriendly way possible, while delivering unparalleled customer service.

YOST Labs is one of the fastest growing tech companies in Ohio. YOST Lab's patented sensor technologies enable motion and position tracking in many of today's and tomorrow's most exciting products. We enable virtual reality to be immersive and interactive. We enable drones and autonomous cars to navigate. We measure human motion for medical rehab and athletics. We enable robots to move where they are directed to go.

YotaScale, a leader in Autonomous Cloud Operations, provides intelligence and actionable insights into cloud operations, optimizing the infrastructure to meet business needs. YotaScale uses AI to optimize cloud workloads for cost, performance and availability. Founded in 2015, YotaScale uses proprietary machine learning algorithms to process millions of data signals, providing contextually relevant, real-time anomaly detection and recommendations that can be acted upon immediately.

With Yotpo, businesses can collect customer content like reviews, photos, and Q&A and use it to build a stronger brand and better customer experience. Yotpo's data-driven post-purchase content requests have the highest order-to-review conversion rates in the industry. Thousands of brands worldwide, from emerging startups to established enterprises TYR, Staples, and Everlast, use Yotpo.

Yottaa optimizes, protects and monitors websites and web applications, delivering speed, scale, security and actionable insight. Yottaa customers benefit from websites with better user experience, improved SEO and higher conversions. Based in Boston, MA, Yottaa's investors include General Catalyst Partners.

HarvestMark is the industry-leading fresh food traceability and insights platform from YottaMark, Inc. HarvestMark solutions deliver transparency and unparalleled insight into the fresh supply chain that drives sales and profit. Designed for a wide range of fresh products, the HarvestMark platform supports industry standard case- and pallet-level traceability. HarvestMark Connect extends the platform to individual sales units- driving loyalty by connecting farm to fork, speeding food safety communication, and reconnecting shoppers with the people who grow and sell their food. To date, more than 4 billion packages of fresh food have been enabled with HarvestMark traceability, from the produce aisle to the meat case.

YouBeauty empowers every woman by using science-based, user-generated data to bring together content, commerce, and the social web in a revolutionary way. Dr. Mehmet Oz and Dr. Michael Roizen co-founded YouBeauty in 2011, working together with a team of beauty and health experts to create an individualized journey to authentic beauty never before available. YouBeauty draws from unparalleled beauty and wellness resources to deliver daily stories and validated quizzes to give every reader a 360-degree approach to beauty. With YouBeauty and its commerce site, BeautySage, harness the power of science for a more beautiful you.

YouEarnedIt is an innovative employee engagement platform that facilitates real-time, employee-to-employee recognition and enables custom, meaningful rewards. Through the social-media based platform, supervisors and colleagues alike are able to recognize employees for their accomplishments and contributions. Employee-to-employee recognition through YouEarnedIt has proven to enhance job satisfaction, productivity, customer services, sales, and retention.

YouEye is a usability testing service that uses a pool of screened candidates to help designers and developer get feedback for their sites.

Youfit Health Clubs is one of the fastest-growing fitness companies in America. Youfit now has 67 clubs in seven states, with three more states opening soon, and the company's now opening clubs at the rate of 3-4 per month. Youfit Health Clubs operates on a unique business model in the tradition-bound fitness world - there are no long-term contracts, and no salespeople to pressure users. The company's clubs cater to the average person who simply wants to be fit, rather than bodybuilders or 'gym rats.' And they may well be the 'Greenest' clubs in America. Youfit health Clubs was founded in 2008 by Rick Berks, the original founder of the Planet Fitness brand in the early-90™s.

YouMail, Inc. is the leading provider of intelligent, cloud-based telecommunication services. The company's flagship service, YouMail, provides a digital personal assistant for handling phone calls that replaces the user's voicemail on Android, iPhone and Windows Phones. Headquartered in Irvine, Calif., YouMail is backed by VantagePoint Capital Partners, Wavemaker Ventures, the Tech Coast Angels ACE Fund, the CrunchFund, the Tech Coast Angels, and numerous private investors and family offices.

Younicos is a global leader for intelligent energy storage and grid solutions. Clients benefit from technical expertise, commercial know-how and in-depth experience built on nearly 100 megawatts installed in more than 20 energy storage projects worldwide. The company was founded in 2005 in Berlin, Germany, and currently employs more than 150 storage enthusiasts there and in Kyle and Austin, Texas (USA).

YouNoodle has built a fast-track engine for entrepreneurs, where performance in competitions opens doors. Unlike other startup networks, all YouNoodle startups are evaluated by locally appointed expert judges, and only shortlisted for other opportunities if they do well. Founders get global validation, investors can focus on top talent, and corporations may find unexpected new business partners. Our job is to make the startup ecosystem focus on the right opportunities: startups with global potential.

YouNow is a live social network that enables audiences and performers to connect in real time and is devoted to the unlimited potential of human creativity. The interactive entertainment platform has over 100 million user sessions a month and live-streams 50,000 hours of new video content every day. YouNow is committed to creating a community that is a safe place where people can meet, get together and connect. YouNow is backed by Oren Zeev and VCs Venrock, Union Square Ventures and Comcast Ventures.

Your Pie is the world™s originator of the fast casual, brick-oven, customized personal pizza concept. Your Pie founder Drew French tapped his restaurant background and knowledge of the conveyor-driven quick-serve and married it with brick oven technology to create the highest quality pizza available in a fast and customized format for customers to enjoy. Drawing from authentic family recipes from the Italian island of Ischia, Your Pie uses only fresh ingredients, homemade pizza sauces and salad dressings, and offers vegan, vegetarian and gluten-free pizzas, as well as traditional pizzas.

Yourevent.com is a new web-based service that turns event photography into social media marketing solutions for venues and events.

YourMechanic was founded in 2012 with the goal to make car repair and maintenance affordable, convenient, and transparent. Dealing with car problems has historically been a timeconsuming and frustrating experience, and very expensive. Car owners often lack visibility into the price and quality of care services. At the same time, the mechanics who put in the hard work of fixing cars make very little money at repair shops (less than 20% of what consumers pay). By connecting car owners with certified mobile mechanics, YourMechanic puts both parties in the driver's seat.

Youth To The People was created with one simple mission in mind: what you put on your skin should be as whole, nutrient-rich, and clean as what you put in your body. Its precise, custom formulas feature 100 percent vegan ingredients, cold-pressed extracts and earth-friendly packaging.

Yub is the world's first offline affiliate network. With its zero-integration technology, Yub enables retailers and restaurants to effortlessly track consumers from online clicks through to actual purchases, harnessing the power of the online affiliate model to drive in-store purchases on a massive scale. Investors in Yub include Visa Inc., Atomico, Battery Ventures, DAG Ventures, DFJ Growth, Greylock Partners, Index Ventures, T. Rowe Price and QuestMark Partners. Founded in 2013 and privately owned, Yub is headquartered in Mountain View.

YugaByte is an open-source cloud-native database for mission-critical applications. It is meant to be a system-of-record/authoritative database that applications can rely on for correctness and availability. The YugaByte DB converges the operational database needs of these applications into an easy-to-manage, unified platform, allowing enterprises to focus on growing their business rather than managing complex infrastructure.

Yumanity Therapeutics is transforming drug discovery for neurodegenerative diseases caused by protein misfolding. Formed in 2014 by renowned biotech industry leader, Tony Coles, M.D., and protein folding science pioneer, Susan Lindquist, Ph.D., the company is initially focused on discovering disease-modifying therapies for patients with Alzheimer's disease, Parkinson's disease and amyotrophic lateral sclerosis (ALS). Leveraging its three integrated platforms, Yumanity's innovative new approach to drug discovery and development concentrates on reversing the cellular phenotypes and disease pathologies caused by protein misfolding.

Yumble NEVER serves ingredients like high fructose corn syrup; artificial preservatives, sweeteners, or colors; hydrogenated fats; MSG; horomone or antibiotic filled meats; or peanuts or nuts of any kind (except coconut). There are plenty of gluten-free, egg-free, dairy-free, and vegetarian choices each week too. Weekly deliveries start at $6.99 per meal (free delivery).

Launched in 2010 by foodies determined to find a better way to search for recipes, Yummly is the fastest growing food website in the world. Their mission is simple: to create the ultimate digital kitchen platform. Headquartered in the heart of Silicon Valley, Yummly is backed by Physic Ventures, Unilever Corporate Ventures, First Round Capital, Harrison Metal Capital, Intel Capital, The Harvard Common Press, and angel investors

Yup is a chat based mobile tutoring company that instantly connects students to tutors on demand, 24/7. Students receive highly affordable, convenient and effective one-on-one tutoring from experienced math, physics and chemistry tutors without the hassle of scheduling an in-person meeting. Yup tutors receive ongoing training on best-in-class teaching methods and bi weekly feedback from senior tutors. Yup, formerly MathCrunch, was founded in 2014 in San Francisco and is backed by Slow Ventures, Floodgate, Index Ventures, Sherpa Ventures, Formation 8 and Stanford University's StartX Fund.