The main objective of the study is to investigate the impact of strategic formulation technique i.e SWOT Analysis and Michael Porters five (5) forces of Industry analysis and adopted strategies at corporate, business and functional levels in accomplishing the goals and mission at Nigerian Breweries Plc and Flour Mills of Nigeria Plc. The data for the study were obtained from a total sample size of 372 comprising 166 employees from the Nigerian Breweries Plc, Lagos and 206 Employees from Flour Mills of Nigeria Plc, Lagos. The selection was done to reflect Breweries sector and Foods/Breweries sector of the manufacturing firms. The study adopted a cross-sectional survey of the quasi experimental research design. The primary source of the data (that is questionnaire) was the main source of data acquisition. Judgmental and convenience sampling techniques were employed for the study. Data presentation and analysis was done through the use of tabular presentation and simple percentages. Anova (Analysis of variance test) was used in testing the 3 formulated hypotheses. The findings from the study reveals that SWOT Analysis (Strength, Weaknesses, Opportunities and Threats), Michael Porters five (5) forces of Industry Analysis are adopted by Nigerian Breweries Plc and Flour Mills of Nigeria Plc and they have impacted on goal and mission accomplishments. Another finding shows that strategies adopted at corporate level, Business level and functional levels of organizations have significant impact on profit goal attainments. The study recommends that performing the company's situational analysis to establish the competitive strengths of the firms rating using key success factors such as quality/product performance, reputation and image, manufacturing capabilities, financial resources, customer service capabilities is necessary for attainment of goals and mission of the organizations. Another recommendation for the study shows that for effective control of these firms, periodic evaluation and analysis of set standards of performance in order to take corrective action is required. This control should be tailored to monitor managerial activities and results. It should pinpoint expectations and rewards exceeding standards emphasized so that managers are motivated to perform in order to attain goals and organizational mission