- Grand Pacific Hotel1
- Grand Rapids Showcase Co.1
- Grand Union Hotel2
- Graton & Knight M'F'G Co.1
- Gray & Dudley Co.1
- Green Sulphur Spring Cure1
- Greene & Daniels M'f'g Co.1
- Gregg Company, Ltd.1
- Griggs, Cooper & Co.3
- Grit Publishing Co.1
- Grocers Supply & Storage Co.1
- Groom Brothers & Co.1
- Gurnsey Bro's & Co.1
- H. A. Menker & Co.1
- H. Behlen & Bro.1
- H. C. Goodrich1
- H. Dudley Coleman Machinery Company, Limited1
- H. E. Bucklen & Co.1
- H. E. Hessler Company4
- H. Fountain1
- H. G. O. Cary1
- H. J. Heinz Co.1
- H. K. and F. B. Thurber & Co.1
- H. M. Marks1
- H. Mankel, Jr.1
- H. Midwood & Sons1
- H. O'Neill & Co.1
- H. Plagemann & Co.1
- H. S. Tipton & Co.1
- H. T. Cushman M'f'g Co.1
- H. T. Thompson & Co.1
- H. W. Carter1
- Haddon Hall2
- Hadfield-Penfield Steel Company1
- Haffner Brothers Co.1
- Hagerstown Table Works1
- Hall & O'Donald Lithographing Co.1
- Hall's Safe & Lock Co.1
- Halm, Bellows & Butler1
- Hamburg Cordovan Tannery1
- Hampshire County National Bank1
- Hannis Distilling Company1
- Hanson Van Winkle Co.1
- Hapgood Plow Co.1
- Hard Brothers & Co.2
- Harkness & Co.1
- Harper & Cosgrave Co.1
- Harris Brothers Company1
- Harris Trust and Savings Bank1
- Harrisburg Boot and Shoe Mfg. Col., Limited1
- Harrisburg National Bank1
- Hart, Merriam & Co.1
- Hartford Paper Company1
- Hartman, Goldsmith & Co.1
- Harvard Block1
- Harvey County Savings Bank1
- Hassie A. Tillson, Farm Real Estate Agency1
- Hasterlik Bros.1
- Havenner Baking Co.1
- Hawley, Folsom & Martin1