This study examines the impact of working capital management on profitability of quoted industrial goods companies in Nigeria. The study covers the period of eight years (2009 -2016) with the population of twenty one listed industrial goods firms in the Nigeria stock exchange as at 31st December 2016. The study adopted Correlation Research Design. The data were analyzed using OLS multiple regression technique. The study findings are that: Account Receivable Day (ARD) has a positive significant impact on the Return on Asset (ROA) of industrial goods firms in Nigeria at 1% significance level, Account payable Days (APD) has a negative insignificant impact on the Return on Assets (ROA) of industrial Goods Firms in Nigeria at 1% level of significance. Inventory Turnover Day (ITO) has a negatively significant impact on the Return on Asset (ROA) of industrial goods firms in Nigeria at 1% level of significance and cash Conversion Circle (CCC) has a positively significant impact on Return on Asset (ROA) of the Industrial Goods Firms in Nigeria at 5% level of significance. The study recommend among others: The management of the listed industrial goods companies in Nigeria should enhance the performance of the companies by maintaining the number of days in inventories to a reasonable level. Management of the listed industrial goods companies in Nigeria should reduce the account receivable days so as to boast the profitability and performance of the companies. Management of the listed industrial goods companies in Nigeria can increase their profitability, thus, by increasing the account payable days also the companies should make judicious utilization of their resources by reducing the cash conversion cycle of the companies to a barest minimum, this shall in turn increase the company profitability.