Sometimes it was hard to know exactly what the core business of our company. For these difficulties, there is a simple tip sebuag although the use is not always accurate but accurate enough. TIP is intended to commemorate the past the company's initial step, the beginning of the company's core business. And this short article about to show how a company's core business is developed. The first step of a company are its core business. The majority of companies started by serving a single market using either a single product or product line. The use of a single product in existence to provide specific benefits for the company but it's really risky because it is too focused to serve the needs of consumers. This does not mean starting with the product line is recommended, but re-submitted to the resource limitations and capabilities of individual firms. Along with success on the first step or the core business, management took the decision to enter other products and markets as the manifestation of the will to reduce dependency on the core business. Surely such a case, demanding that resources support the development of the three alternatives that can be done. The first alternative, develop core business by way of new products. That is done by extending the product being offered to the company's target market by utilizing the opportunity of distribution channels, support and promotion of good research. The second alternative is to enter new markets. Actions, look for other consumer groups that use the same or almost the same product in its implementation which the company has sufficient resources and marketing strategies menmgembangkan also charged against him. The third alternative, is a means of diversification into new markets and products. Diversification many people talked about most at risk and is done by means of internal development and acquisitions. However, diversification is not denied if the market is attractive slow-growing core business, available resources, and product selection has been made. The success of diversification is dependent on market attractiveness, the cost of entry profitable, and there are opportunities to increase competitive advantage. Thus the core business is developed by way of new products, new markets, or markets and new products.