Mainstreet Investment

Live X is a digital transformation and brand development company that provides media services.

Weclassic is a music company that teaches classic music to students.

Caring is a visiting medical treatment facility that offers medical consultation.

Fanddle is a mobile-based online fandom platform founded in 2019 that connects global fans and celebrities and provides an e-commerce-based gift mediation service for those who find it difficult to get closer to celebrities. By using our service, fans are able to send gifts along with private messages without any international shipping costs through the app. We believe all fans deserve to be able to express their support and love for celebrities through various methods, such as sending gifts, messages, and donations for charitable causes. The company was founded in December 2018 by Si-ha Park and is currently headquartered in Seoul, South Korea.

ZenLedger, Inc. specializes in cryptocurrency tax management software, catering to both individual investors and tax professionals. Founded in 2017 and based in Bellevue, Washington, ZenLedger provides tools that allow users to import cryptocurrency transactions, calculate gains and income, and prepare tax returns. Its platform automates the generation of essential financial documents, including profit and loss statements, capital gains reports, and income reports, thereby simplifying the tax filing process for cryptocurrency activities. By streamlining portfolio management and reducing the complexities associated with tax compliance, ZenLedger aims to enhance the overall experience for users navigating the evolving landscape of blockchain economies.

Ninjacart is an online business-to-business platform that connects farmers, manufacturers, and brands directly to retailers, streamlining the fresh produce supply chain in India. Founded in July 2015 and headquartered in Bengaluru, the company enables the distribution of fruits and vegetables to retailers and restaurants through a lean and efficient supply chain. By leveraging data science and infrastructure, Ninjacart allows businesses to source fresh farm produce directly from farmers, facilitating quicker and more cost-effective transactions. The platform also enables retailers to communicate with local managers to address specific store needs, thereby enhancing the overall efficiency of the agricultural marketing process.

Paynstore is a payment infrastructure company that specializes in providing mobile app and application services. It focuses on facilitating payment relay services, particularly for QR payments at offline affiliated stores. By offering options such as QR and NFC, Paynstore enables customers to make contactless payments, enhancing the convenience and efficiency of transactions in physical retail environments.

WatchBox is a prominent global platform specializing in the buying, selling, and trading of luxury pre-owned timepieces. Headquartered in Miami, Florida, the company offers an expertly curated selection of watches from esteemed brands such as Rolex, Audemars Piguet, and Patek Philippe. WatchBox emphasizes authenticity and quality, ensuring that each watch undergoes a rigorous authentication process by in-house experts prior to sale, providing customers with confidence in their purchases. The company combines a sophisticated e-commerce platform with personalized concierge services, where dedicated Client Advisors assist clients with watch selections, valuations, and trading. Additionally, WatchBox offers a One-Year Limited Warranty on all purchases and ensures secure, insured expedited shipping. Committed to education and transparency, WatchBox provides a wealth of resources, including video content and market insights, empowering customers to make informed decisions. With a knowledgeable team of passionate watch enthusiasts, WatchBox has solidified its reputation as a trusted name in the luxury pre-owned watch market, catering to collectors and first-time buyers alike.

Blind is an anonymous professional network that enables verified individuals to connect and engage in meaningful discussions about workplace issues. With over 4.1 million users globally, the platform offers private channels for communication within companies as well as open forums for cross-industry interactions. This structure allows professionals to share valuable insights, such as job offer details and candid feedback about company culture, without the risk of judgment or retribution. By promoting transparency and open dialogue, Blind aims to flatten professional barriers, empowering users to make informed decisions and inspire positive changes in their work environments.

Monolabs Co provides digital transformation, information technology, health subscription, and advisory services to the healthcare industry.

Greenlabs is an agri-tech company that develops a digital agricultural platform for farm management. Its platform provides a variety of features including analyses of the data to understand which environment is suitable for growing crops, and an environmental growth system to automatically adjust IoT devices on farms as well as provides other integrated information and services. It provides farmers with tools that can maximize production along with selling opportunities. The company was founded in 2017 and is based in Korea.