Market segmentation is designed to identify the most profitable segments in order to better understand their needs and purchase motivations.
Targeting strategy is a strategy for selection of potential customers a company can sell its products to. Targeting is done to a specific target group with respect to the various segments in any market.
A pet supply store can use differentiated marketing or multi-segment targeting since its market segmentation reveals several potential target segments that the company can serve profitably. A differentiated marketing strategy exploits the differences between marketing segments by designing a specific marketing mix for each segment.
In this case, specific marketing mixes can be developed to appeal to all or some of the segments.
Let me help you! Since you mentioned that Baldwin compamny will expand to another company with better edge (products etc.) to appear on top, that simply means they are actively competing against the company they are expanding to while employing blue ocean strategy.
Therefore, the strategy they are using is none other than BLUE OCEAN STRATEGY.