Companies Headquartered in Holyoke
D. H. & A. B. Tower
Headquarters: Holyoke
Founded In: 1878
Holyoke Automobile Company
Description: defunct American motor vehicle manufacturer
Headquarters: Holyoke
Founded In: 1899
Holyoke Publishing
Description: American publishing company
Headquarters: Holyoke
Founded In: 1940
Porterhouse Media
Description: American multimedia company and advertising agency
Headquarters: Holyoke
Industry: advertising