This article explores the exacerbation of risk and ubiquity of injury within the corporate day labor industry. Far from an exotic outpost of the US economy, this industry is a well-entrenched, multibillion dollar industry that is organically linked to the core of the US –and increasingly global– labor market, supplying “just-in-time,” disposable workers to its leading corporations. Referred to in industry rhetoric as “on-demand staffing” and colloquially as the “labor pool” system, the industry exemplifies two of the most fundamental changes in contemporary employment relations: the rise of precarious employment and the increased use of labor market intermediaries.