IoT Startups

Radiant provides IoT-based asset management and life safety software that tracks fixed and physical assets using RFID, BLE, GPS, and barcode technologies without requiring upfront hardware infrastructure. It serves enterprises and large industrial organizations, offering asset tracking, loss prevention, audit compliance, and employee safety tools such as mustering and contact tracing that integrate with ERP systems.

1 investor

Radiflow provides cybersecurity risk management solutions for critical infrastructure and industrial enterprises, helping CISOs identify and prioritize threats across operational technology environments. The company protects over 8,000 critical facilities globally.

1 investor

Radisys provides open telecom solutions and integration services, offering disaggregated platforms built on open standards, software, and hardware. Its portfolio covers digital endpoints, open broadband and wireless access across terrestrial, non-terrestrial, and edge environments, and digital engagement platforms, serving service providers.

1 investor

Radix Labs builds operating-system software for biology laboratories to run and automate their lab workflows. It serves life-science and biotech labs.

1 investor

Radtonics develops enterprise-grade 5G core software for building private 5G wireless networks aimed at industrial customers. Its technology provides local wireless networks with low latency, mobility, and controlled coverage as an alternative to WiFi.

1 investor

RailPod builds small, portable inspection vehicles paired with web-based GIS software that collect track and wayside data—including track geometry, rail wear, clearances, overhead catenary, asset mapping, and broken rail detection—for railroad operators. The system supports predictive maintenance and generates inspection reports for the railroad track inspection and maintenance-of-way industry.

1 investor

Rain is a South African mobile network operator offering unlimited mobile data and home wifi services on month-to-month plans. It serves consumers in South Africa, including a bundled LoopPhone offering and both home and portable wifi products.

1 investor

Rambus provides silicon intellectual property components including memory interface controllers and cryptographic security processors for semiconductors and IoT devices. The company specializes in DDR memory solutions, Root of Trust security engines, and hardware cryptographic accelerators serving data center, automotive, and embedded system markets.

1 investor

RAMXEED Corporation develops and supplies non-volatile RAM memory products, offering a reliable memory product line to business customers. Formerly Fujitsu Semiconductor Memory Solution Limited, the company specializes in semiconductor memory technology.

1 investor

Ranchbot provides IoT monitoring devices and a platform for livestock water management on ranches. The company offers sensors and controls that track water consumption, rainfall, and pump operations to help farmers optimize water usage and reduce costs.

1 investor

RANDAEMON develops post-quantum cryptography solutions, including AIRBARN™ stream ciphers and quantum random number generators (QRNGs), for securing internet-connected devices, cloud operations, and IoT systems against quantum computing threats. The company produces both software implementations and chip-embedded prototypes for various applications including voice/video encoding, banking, and blockchain security.

1 investor

RDDL provides a data and intelligence layer for electricity grids, using cryptographically secured hardware and sub-10-second telemetry to measure activity behind the smart meter for households, SMEs, and microgrids. It links this data to a Bitcoin-anchored settlement layer so PV surplus, flexibility, and demand response can be verified and turned into settleable value for prosumers, aggregators, and DSOs.

1 investor

Reach Technologies develops data acquisition equipment, instrumentation recorders, and IoT monitoring solutions for industrial, aerospace, and transportation applications, enabling predictive maintenance and performance tracking across sectors including aviation, shipbuilding, and heavy equipment.

1 investor

React Mobile provides a staff communication and safety platform with panic-button safety devices that lets properties dispatch help to the exact location of an alert. It serves hospitality customers such as hotels and casinos, helping them meet local ordinances and brand safety standards including the AHLA 5-Star Promise.

1 investor

Reality AI develops an Edge AI software development environment that combines signal processing, machine learning, and anomaly detection for microcontrollers and microprocessors, enabling industrial, automotive, and commercial applications with minimal hardware footprint impact.

1 investor

RealmFive builds data-driven software and technology solutions for agricultural producers and supply chain stakeholders to optimize operations and decision-making. The company focuses on automating agricultural workflows and improving labor and supply chain efficiencies in the farming industry.

1 investor

ReCheck operates a platform for managing and reusing building materials and real estate assets with financial incentives, focused on circular innovation in the real estate sector.

1 investor

RECHO AI develops advanced sensing technologies and hardware solutions for industrial and commercial applications. The company leverages expertise in RF hardware, data pipelines, and signal processing to transform complex research into practical sensing systems.

1 investor

RECON provides data acquisition and monitoring products for the oil and gas and geothermal drilling industries, as well as mining and equipment rental services, enabling operational efficiency through downhole data analysis and preventative maintenance tracking.

1 investor

IOTA Software is a software company serving the energy and industrial sector, with its products aimed at energy-sector applications and time-series/industrial data use cases.

1 investor

Redpoint Positioning provides real-time location system (RTLS) technology delivering location services for industrial and mission-critical operations in harsh environments such as warehouses, chemical plants, and tunnels. Its system offers millisecond-level accuracy across spaces ranging from single rooms to large multi-building campuses, aimed at improving safety, defect reduction, and productivity.

1 investor

Redtea Mobile provides eSIM and mobile connectivity technology. The available page content is limited to a cookie/privacy notice and does not detail the company's products, customers, or industry beyond a reference to connectivity.

1 investor

Redzone provides fixed wireless internet service to homes and small businesses, along with portable solutions for remote and nomadic users, using a hybrid fiber-optic and wireless network. It focuses on connecting remote, rural, and underserved areas in Maine.

1 investor

reelyActive stewards open source IoT middleware and technologies for ambient identification, sensing, and real-time location systems using wireless devices and gateway infrastructure. The company serves startups, researchers, Fortune 500 companies, integrators and end users building IoT solutions worldwide.

1 investor