- General Baking Company1
- General Electric Company1
- General Mills1
- Georgetown Countbrary1
- Georgetown Library1
- Georgetown ty Library1
- Getown County Library1
- Godchaux Sugars1
- Gold Medal, Softasilk the Cake Flour, Minneapolis, Minnesota1
- Good Housekeeping Institute1
- Griswold1
- Gulden's1
- Gunther Beer1
- H. C. Cole Milling Co., Omega Flour, Chester, Illinois1
- H. J. Heinz1
- H.J. Heinz Company1
- Hawaiian Pineapple Company, Honolulu, Hawaii1
- Hearth Club Baking Powder, Rumford Chemical Works, Rumford, Rhode Island1
- Hecker H-O Division of Hecker Products Corporation1
- Herb-Ox1