- Base de Datos de Empresas del CDTI
- Base de datos SIE (Dirección General de la Pequeña y Mediana Empresa Industrial)
- Buscador de Empresas Españolas ("El Corredor" Seric)
- Búsqueda en Empresas Industriales. Base de datos del IMPI. Permite búsquedas por sector, provincia, nombre, etc.
- Directorio de Empresas Españolas
- Europages - European Business Directory: contiene más de 1.500 empresas europeas.
- Expansión - Guia Empresarial
- Fichero de Empresas Españolas (Camerdata)
- Guíame: información para la empresa
- Interempresas: Guía de compras de la indutria española
- Prensatec
- Repertorio de Fabricantes Españoles elaborado por el ICEX
- Spain Industry: Buscador de empresas españolas
- Vagu.com: portal empresarial, ofrece más de 100.000 empresas, productos, ferias...


Algunas Empresas de Ingeniería en España

    - Abengoa
    - Airtel
    - Cintrol
    - Dragados y Construcciones
    - Gequisa
    - Iberdrola
    - IBM
    - Iraundi
    - Labein
    - Landata
    - Microsoft
    - Nissan Motor Ibérica
    - Renault
    - Robotiker
    - Sodean
    - Solac
    - Telefónica


Algunas Empresas de Ingeniería en el Extranjero

    - Abbood/Holloran Associates, Inc.
    - Active Control eXperts, Inc.
    - Advanced Extraction Technologies, Inc.
    - AeroSoft, Inc. - Excellence in CFD
    - Aerospace Consulting
    - AJT & Associates, Inc.
    - ICONET
    - Algor, Inc.
    - Ames Corporation
    - APC Engineering
    - Arnold Nemetz & Associates
    - Associated-Architects & Engineers
    - Automation Research Centre
    - Bass Associates, Inc.
    - Batson Firm, The
    - bd Systems
    - Belcan Engineering
    - Benedict Engineering Company, Inc
    - Binkley and Associates
    - Black & Veatch
    - BnS Engineering NV
    - Boughton Group , The
    - Boyle Engineering Corporation
    - Bright Design Services
    - Bryan Research & Engineering, Inc.
    - Burns & McDonnell
    - Carpco Inc.
    - Charles Stark Draper Laboratory
    - ChemMet, Ltd.
    - Cherokee Industries
    - China International Engineering and Materials Corporation
    - CIMA+
    - Creare Incorporated
    - Crossbow Technology, Inc
    - CTE Engineers
    - DBM
    - Devco Design and Development
    - Donatech Corporation
    - Dr. E.A. Richards, P.E. & Associates, Ltd.
    - EBA Engineering Consultants
    - EG&G Birtcher
    - EG3 Communications, Inc.
    - EHM Engineers
    - Eichleay Engineering and Construction Services
    - Electronic Instrumentation and Technology, Inc.
    - Electrostatic Applications
    - ElectroStatic Designs
    - Elite Engineering Corporation
    - Elmhurst Research Inc.
    - EMAC, Inc.
    - Engineers Inc.
    - Eric Lebas Process Personnalise
    - Factory Design and Drafting Software
    - Fellows Research Group, Inc.
    - Ferma Corporation
    - Fleet Technology Limited
    - French and Parrello Associates, P.A
    - General Electric Company, The (GEC) - London, England
    - Genesis Design Group
    - George Butler Associates, Inc
    - GSFE Engineering
    - Gulf Communications International
    - Guyson International Limited
    - Harmsen & Associates, Inc
    - Hawtal Whiting
    - Henry Williams Electrical Ltd
    - Hicklin Engineering
    - Hiensch Engineering Bv
    - HLC
    - Horner & Shifrin, Inc.
    - Howden Group
    - Hyundai Engineering Co., Ltd
    - I-Squared Inc.
    - Image Industries
    - Indeco Engineering
    - Industrial Cost Engineering
    - Industrial Technology
    - Infratech Group
    - Interlog, Inc.
    - IPT Corporation
    - JL Troupe
    - Jurong Engineering Limited
    - KCI Technologies, Inc
    - KEMWorks Technology, Inc
    - Keystone Engineering Inc.
    - King Engineering Company
    - King Mechanical Specialty
    - L B P Inc.
    - Larson Engineering
    - Lewtham Engineering Ltd
    - LZA Group, Inc., The
    - MacNeill-Tagg Engineers
    - Malema Engineering Corp.
    - Michael Baker Corporation
    - Morrison Knudsen Corporation
    - nCode International Ltd
    - Nilsen Electric
    - Nolte and Associates, Inc
    - Norsemeter
    - Optimum Engineering, Inc.
    - Ortloff Engineers, LTD
    - Pal Matrix
    - Patrick Engineering Inc.
    - PDR Engineering
    - Penny + Giles Instrumentation Ltd
    - Petrocon Engineering, Inc.
    - Plating Resources, Inc.
    - PRB Associates, Inc.
    - Precision Measurement Laboratories (PML)
    - Project Time & Cost, Inc
    - PSI Process Systems, Inc.
    - Quake Defense, Inc
    - Quest Consultants Inc
    - R.B. Tang & Associates, Inc.
    - Radian, Inc.
    - Radix Product Development
    - Rapid Design Service, Inc. (RDS)
    - Reid Crowther & Partners Limited
    - RoviSys Company
    - Salland Engineering B.V.
    - Sater International
    - Science & Engineering Associates, Inc.
    - Science Horizons
    - Science Systems and Applications, Inc.
    - SEAL Corporation
    - Seifert Group, The
    - Shreeji Engineers
    - Southport Tool & Gauge
    - Specialized Engineering Services
    - Spectrum Research Corporation
    - SSR Engineers
    - T J Klem and Associates
    - Taymar
    - Technical Associates of Georgia
    - Technical Automation Services Corporation (TASC)
    - Threaded Group
    - Topcon Singapore
    - Toyo Engineering Corporation (TEC)
    - Transenco Limited
    - Tri-Tech Associates, Inc.
    - UMA Group
    - Union Engineering
    - VA Technologie AG
    - Vector Engineering, Inc
    - Vehicle Enhancement Systems, Inc.
    - VIRES Simulationstechnologie Gmbh
    - W. K. Hile Company Inc
    - W. P. Hickman Company
    - W.G.G. Cuddon Limited
    - Walter P. Moore and Associates, Inc.
    - Wardrop Engineering Inc.
    - Wilbanks Corporation
    - Wild Bear Systems
    - Wintriss Engineering
    - Wiss, Janney, Elstner Associates, Inc.
    - Zace Services Ltd