25m Supply Chain | 247 followers on LinkedIn. Building and investing in early-stage supply chain and industrial startups. | 25m Supply Chain, a subsidiary of 25madison, builds and invests alongside early-stage founders bringing technology to the forefront of supply chain, logistics, manufacturing, and the wider industrial arena. As both a venture studio and early-stage VC, we provide boots-on-the-ground resources and capital to accelerate early-stage supply chain startups to their next phase of growth.