How to abbreviate engineering information

EI - engineering information
Eng Inf - Engineering Information
engineering information in definitions

EIS - Engineering Information System
EIR - Engineering Information Report
SEI - Switch Engineering Information
EIR - engineering information request
EIS - Engineering Information Service
EIB - Engineering Information Bulletin
AEI - Authorized Engineering Informati…

RFEI - Request for Engineering Informa…
EIRD - Engineering Information Report…
REI - Request for Engineering Informat…
EIT - Engineering & Information Techno…
UEIS - United Engineering Information…

NEIS - National Engineering Informatio…
NEIC - National Engineering Informatio…
PREIS - prototype engineering informat…

SEIR - Software Engineering Informatio…
NEII - National Engineering Informatio…
STEI - Scientific Technical Engineerin…
IEIT - integrated engineering informat…
CEIRD - Confirming Engineering Informa…

CEIAC - Coastal Engineering Informatio…

HEIAC - Hydraulic Engineering Informat…

MSEIS - Microgravity Systems Engineeri…
EIAC - End Item Acronym Code Engineeri…