- Halsey Fitch & Son1
- Harper & Brothers, Publishers1
- Hartman, Goldsmith & Co.1
- Havana Cigar Factory1
- Havemeyer, Townsend & Co.1
- Hecker & Brother1
- Heidelberg, Wolff & Co.1
- Henry Seibert & Bros.1
- Hoffman Corr MF'G Co.1
- Holbrook Brothers, Inc.2
- Hosford & Ketcham1
- Howard Hotel3
- Howe, Brown & Co.1
- Howlett Brothers1
- Ide, Felt & Hall1
- International Coffee Company1
- International Hotel1
- Irving House1
- J. & G. Lippmann3
- J. C. Dowd & Co.1
- J. Dickson & Bro.1
- J. Fitzpatrick & Co.1
- J. S. Shields & Co.1
- J. W. Fiske1
- J. W. Lyon & Co.1
- Jaburg Brothers3
- James L. Wells1
- James P. Silo1
- James Paton & Co.1
- James Pyle & Sons1
- James S. Barron & Co.4
- Jay C. Wemple & Co.1
- Jewelers & Tradesmen's Life Insurance Co.1
- John A. Eckert & Co.1
- John A. Gray1
- John Blakely1
- John C. Tucker & Co.1
- John Crotty1
- John Dixon Crucible Co.1
- John F. Stratton & Co.2
- John G. McMurray & Co.1
- John R. Waters1
- John W. Quincy1
- Kings County Refrigerating Co.1
- Kumbel's Patent Machine Stretched Leather Banding1
- L. Levenson & Co.1
- Lafarge House1
- Lafayette Place Baths and Hotel1
- Lanman & Kemp3
- Lathrop, Ludington & Co.1
- Lawrence, Son & Cerrish1
- Lazell, Dalley & Co.3
- Leeds & Hazard1
- Leopold & Friedberger & Co.3
- Lewis & Son1
- Lewis DeGroff & Son Wholesale Grocers1
- Leys, Christie & Co.1
- Lloyds Plate Glass Insurance Co.1
- Louis Amberg, Brill & Co.1
- Lovejoy's Hotel2