retrofit
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AMAG Technology: The door is only half the story
AMAG sells the machinery that decides who gets in. Its more interesting business is helping organizations change their security without throwing away the buildings, badges and systems they already have.
Sandra Lifshits Is Teaching AI to Hunt for Vintage
After weekends in vintage markets and shifts inside New York shops, the product leader saw the real problem: secondhand shopping had plenty of inventory and precious little editing.
SensorFlow
SensorFlow is a Singapore-based proptech company that uses wireless IoT sensors and AI to help hotels monitor, analyze and automate their energy use - primarily air-conditioning. Its retrofit-ready hardware installs in minutes with no upfront cost and typically cuts HVAC energy consumption by around 30%, letting properties lower operating costs and carbon emissions while keeping guest rooms comfortable. Founded in 2016 and backed by investors including Openspace Ventures and Gaw Capital, the company serves hospitality brands across Asia-Pacific and beyond.
Bedrock Robotics
Bedrock Robotics is a San Francisco startup retrofitting existing heavy construction equipment - excavators, dozers, articulated trucks - with an AI kit that turns them into 24/7 autonomous machines. Founded in 2024 by former Waymo leaders, the company raised a $270M Series B in February 2026 at a $1.75B valuation to scale its 'Bedrock Operator' platform across active job sites in the US.