Source: North Manchester Journal, September 1, 1910 Ad:

Plumbing and Heating.
We are now ready to do all kinds of Plumbing and Heating, either hot water or steam heat. Mr. Tobin, who has had thirty-two years experience in heating will draw plans and specifications and superintend the installation. We also have a practical plumber, who has had seven years experience.
Martin Plumbing & Heating Company.