- IMB
- International Mission Board (Community » Religion)Irish Medicines Board (Medical » Veterinary)*** International Maritime Bureau (Governmental » Transportation)*** International Maritime Bureau (Governmental » US Government)* International Medieval Bibliography (Community » Media)* Institut für Molekulare Biotechnologie (Academic & Science » Universities)* Institute of Molecular Biotechnology (Academic & Science » Universities)* Morgan Stanley Dean Witter (Business » NYSE Symbols)* Imbaimadai, Guyana (Regional » Airport Codes)* Irvine, Michigan, and Brookhaven (Academic & Science » Universities)* Irvine Michigan And Brookhaven (Regional » Railroads)* Installation Management Board (Governmental » Military)
Abbreviations dictionary. 2012.