Organizations
- Informing Science Institute Publisher
- INFORMS Publisher
- Infrastructure Protection Program Academic Department,Organization
- Ingram Publisher
- INIA Publisher
- INSTICC Press Publisher
- Institute of Mathematical Statistics Publisher
- Institute of Navigation Publisher
- Institute of Physical Optics Publisher
- ISEAS - Yusof Ishak Institute Publisher
- Institute of Quantum Science Academic Department,Organization
- Institute of Physics - (London, United Kingdom) Organization
- Institute of Statistical Science Publisher
- Institute of Physics Publishing Publisher
- InTech Publisher
- IntechOpen Publisher
- Intellect Publisher
- Intercept Publisher
- International Studies Academic Department,Organization
- Ivyspring International Publisher Publisher
- International WOCE Project Office Publisher
- International WOCE Project Office Publisher
- International Journal of Technology Publisher
- International Journal of Russian Studies Publisher
- International Press Publisher
- Internet Society Publisher
- Internet Scientific Publishers, LLC Publisher
- Internet Mathematics Publisher
- IOP Publishing Publisher
- IOS Press Publisher
- Ios PressInc Publisher
- IOSR Journals Publisher
- Iowa State University Publisher
- Iowa State Press Publisher
- Iowa Law Review Publisher
- IPTC Publisher
- Irma Lerma Rangel School of Pharmacy School,Organization
- Irwin Professional Publishing Publisher
- ISAST Publisher
- ISCA Publisher
- iSchools Publisher
- Isi Press Publisher
- Island Press Publisher
- Israel Museum Publisher
- Istanbul Technical University - (Istanbul, Turkey) Organization,External Organization
- Istanbul University Publisher
- ISTE Publisher
- ISTE Publications Publisher
- ISTES Organization Publisher
- Ital Publication Publisher
- IUI Publisher
- iUniverse Publisher
- IUPUI University Library Publisher
- IUScholarWorks Publisher
- Iustel Publisher
- IWA Publishing Publisher
- Iwate University - (Morioka, Japan) External Organization