Abstract: A tool organizer is disclosed. According to one embodiment, the tool organizer comprises a frame and a plurality of wheels attached to the frame. The tool organizer also includes a tool storage structure supported by the frame. The tool storage structure comprising a plurality of storage panels, each storage panel comprises at least one tool fastener and associated tool indicia for securing and identifying a specific tool. The plurality of storage panels are movable with respect to one another between a closed configuration and an open configuration. A modular tool organizer, a tool set transportation system, a tool bag and a method for inspecting a set of tools stored within a tool organizer are also disclosed.