G.M. Alexander & Son - Holroyd, John

G.M. Alexander & Son (Pittsburgh, Pa.), 1912-1916

G.M. Hopkins Co. (Philadelphia, Pa.), 1905

Gerrity, T., 1905

Gibson, Archer, 1908-1913

Girard Auto Supply Co. (Pittsburgh, Pa.), 1924

Goddard & Co. (Pittsburgh, Pa.), 1932

Great American Refining Co. (Pittsburgh, Pa.), 1921-1922

Haggin, J.B., 1905

Hall, Sherman [business card], undated

Harsh, Newton D., 1916

Hastings, Thomas, 1912

Hatfield, Chauncey B., 1904

Hearn, [George A.], Estate of, 1914

Henschel, C.R., 1912

Hicks, R.W., 1905-1908

Hindeman, W.W., 1927

Holroyd, John, 1912-1914