SleepQuest, an at-home sleep testing and apnea treatment firm, is moving its headquarters from Redwood City to San Carlos at 985 Industrial Road near Highway 101, the company announced Monday.

The office will also serve as a field office for treating clients, along with field offices in Fresno and Salinas.

SleepQuest was recently named one of INC. Magazine’s 5,000 fastest growing private companies in America, the company said in a statement.