- Hall, Sydney, fl. 1818-601
- Hérisson, Eustache, 1759-1
- Institut géographique du Mali1
- Institute Geographic National of Niger1
- Instituto Nicaragüense de Estudios Territoriales1
- Jasper Ridge Biological Preserve (Agency)1
- Kosovo Cadastral Agency1
- Kyrgyzstan. Gosudarstvennai︠a︡ kartografo-geodezicheskai︠a︡ sluzhba1
- Laguillermie, active 1830-18541
- Lallemand1
- Laos. Kom Phǣnthī hǣng Sat1
- Lapie, M., fils1
- Latvian Geospatial Information Agency1
- Levasseur, V. (Victor)1
- Long, G. [George]1
- Macedonia (Republic). Agency for Real Estate Cadastre1
- Majlis al-Waṭanī lil-Buḥūth al-ʻIlmīyah (Lebanon)1
- Malaysia. Jabatan Ukur dan Pemetaan1
- Mentelle, E. (Edme), 1730-18151
- Migeon, J.1
