In recent years, stakeholders have consistently advocated for increased disclosure of information in the financial statements essential for economic and social decisions. This demand is based on the growing uneasiness about a firm’s wealth valuation as a result of not valuing information on non-physical assets, as well as on other non-financial information. Hence, this study examines the effect of corporate social disclosure on market performance of quoted industrial goods companies in Nigeria. This study adopted ex post facto research design and. the population of this study consisted of 13 industrial goods companies quoted on the Nigeria Exchange Group (NEG) as at 2020. In view of the nature of the model used in the study, filters were employed to arrive at an adjusted population of 11 companies in Nigeria. Data for the study was extracted from the published annual financial statements of industrial goods companies, covering a period of ten (10) years from 2011 to 2020 Market performance was measured using Tobin’s Q The study found statistical evidence that social disclosures have significant and positive effect on market performance. From the findings, the study concluded that corporate social disclosure is a viable reporting strategy for increasing the value and information content of annual reports of industrial goods companies in Nigeria. the study recommended that the Financial Reporting Council of Nigeria should make the disclosure of corporate social information mandatory in the industrial goods sector because it leads to improvement in the information content of financial statement and increase the market value of the companies.