- Goetz & Flodin Mfg Co.1
- Golden's Foundry & Machine Company1
- Goldsmith Bros. Smelting and Refining Co.1
- Goodspeed Opera House1
- Goodyear Rubber Co.2
- Gould & Co.2
- Gould Paper Co.1
- Goulds Manufacturing Co.3
- Grand Union Hotel1
- Graton & Knight M'F'G Co.1
- Green Sulphur Spring Cure1
- Griggs, Cooper & Co.3
- Grit Publishing Co.1
- Grocers Supply & Storage Co.1
- Gurnsey Bro's & Co.1
- H. A. Menker & Co.1
- H. Behlen & Bro.1
- H. E. Bucklen & Co.1
- H. E. Hessler Company4
- H. Fountain1
- H. G. O. Cary1
- H. J. Heinz Co.1
- H. Mankel, Jr.1
- H. Midwood & Sons1
- H. Plagemann & Co.1
- H. T. Cushman M'f'g Co.1
- H. W. Carter1
- Haffner Brothers Co.1
- Hagerstown Table Works1
- Hall's Safe & Lock Co.1
- Halm, Bellows & Butler1
- Hampshire County National Bank1
- Hannis Distilling Company1
- Hard Brothers & Co.2
- Harkness & Co.1
- Harper & Cosgrave Co.1
- Harris Brothers Company1
- 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
- Heeren Bros. & Co.1
- Hendrie & Bolthoff Mfg. and Supply Co.1
- Hennessy Company1
- Henry & Andrews1
- Henry & Co.1
- Henry Hearne1
- Henry Pettes & Co.1
- Henry S. Zook1
- Henry Seibert & Bros.1
- Henry W. Parker1
- Herald Publishing Co.1
- Hibbard, Spencer, Bartlett & Co.1