Companjes that would fit into the "dog" division of the BGC $($Boston Consulting Group$)$ Matrix:

enjoy a large market share in a fast$-$growing industry.

enjoy a large market share in an industry experiencing low levels of growth

enjoy a small market share in a fast$-$growing industry.

enjoy a small share of a market exhibiting low levels of growth

enjoy a moderate market share in a fast$-$growing industry.