 The importance of logging and related products continued to be relevant to Hoquiam's economy, and in 1927, a pulp mill was established under the name of Grays Harbor Pulp Company.A year later, a Pennsylvania company- the Hammerhill Paper Company- became interested in Grays Harbor Pulp Company.When the Pennsylvania company bought stock in the Grays Harbor Pulp Company, the Grays Harbor pulp Company built a paper mill and became the Grays Harbor Pulp & Paper Company.