EI期刊論文屬於第二級A類學術論文，學術論文共分為六級，所以說，EI期刊論文屬於高級別的學術論文，僅次於第一級T類學術論文，與SCI、ISTP、SSCI以及A&HCI同屬於第二級A類學術論文。

EI權威期包括：

Civil Engineering

·Bioengineering

·Building Materials Properties

·Construction Materials

·Geology

·Ocean and Underwater

·Technology

·Pollution and Wastes

·Sanitary Engineering

·Transportation

·Water and Waterworks

Mining Engineering

·Fuel Technology

·Metal Groups

·Metallurgical Engineering

·Petroleum Engineering

Chemical Engineering

（化學工程）

·Agents and Industrial Chemicals

·Agricultural and Food Technolog

·Chemical Apparatus and Plants

·Chemical Engineering Processes

·Materials, Coatings and Finishes1

Mechanical Engineering

（機械工程）

·Aerospace

·Automotive

·Fluid Flow

·Heat and Thermodynamics

·Materials Handling

·Naval Architecture and Marine

·Nuclear Technology

·Plant and Power

·Railroad

Electrical Engineering

（電氣工程）

·Computers and Data Processing

·Control Engineering

·Electronics and Communication

·Light and Optical Technology

·Sound and Acoustical

·Technology

·Electricity and Magnetism

·Electric Components and Equipment

·Electronic and Thermlonlc Materials

·Electronic Components and Tubes

General Engineering

（一般工程）

·Engineering Management

·Engineering Mathematics

·Engineering Physics

·Instruments and Measurement

工程檢索過期刊物（Engineering