| 254Search.com: An on-line fully searchable database of architects, engineers and contractors. Locations, disciplines and project experience can all be queried. |
| 4 Engineering: A free directory of engineering consultants, contractors, institutions, products, materials and training courses. |
| Automation Integrator Guide: Control engineering database of industrial automation and control system integrators. Searchable by industries served, areas served and engineering specialties. |
| AZoM - Metals, Ceramics, Polymers and Composites: Materials knowledge base and news service for the engineering, design and materials community worldwide (metals, ceramics, polymers and composites). |
| Brass Parts Directory: A directory of Indian companies in the brass industry. |
| Civil and Structural Engineering Forum: A set of discussion forums and directories for civil and structural engineering community. |
| Civil-engineers.com: Listing of civil engineers, jobs, and computer software. |
| Construction Information Services: Construction industry directory: contractors, architects, and consultants. |
| Consulting Engineers in Canada: Listings for all building industries in Canada. Listings are by company name. |
| Contractors Unlimited: Engineering contractors portal offering industry news, discussion forum and lists of contractors. |
| Control Engineering Virtual Library: List of links to research institutions, professional societies, journals, conferences and consultants in the control engineering field. Developed and maintained by California Institute of Technology (USA and University of Cambridge, UK) |
| Dial Engineering UK Directory: Specialist buying solution for UK businesses in the engineering industry, from abrasive products to zirconium powder manufacturers. |
| E4 : Engineering: UK-based portal site for the engineering industry. Parent site for a network of engineering sites including a jobs site, product, and resource directory sites. |
| Egyptian Engineering Directory: A directory of engineering companies in Egypt. |
| ELA Engineering Directory: A complilation of links to civil, electrical, mechanical engineering, EIT Examinations, professioinal training, professional societies, and software. |
| Engineering Capacity: Directory of manufacturers' subcontractors in the UK. |
| Engineering Directory India: Directory of engineering products manufacturers, exporters and suppliers from India. |
| Engineering Resources Online: A practical guide to engineering products, companies and resources. |
| Engineering-e.com: Engineering marketplace for software, consulting services, or books, and news and other information. |
| Engineeringtalk: Portal for new engineering product resources. |
| EngineeringVAULT: Database of engineering services and products in the United Kingdom. |
| Engineers Club of Columbus Ohio: Listing current events, calendar of activities, membership information, and other relevant club information. |
| Engineers Edge: Manufacturing, design and engineering products and services directory. |
| EngNet Engineering Directory - Global: Directory of world-wide links to engineering services and products, organized under different categories, as well as alphabetic listing. |
| EngNet Engineering Directory - North America: Directory of North American links to engineering services and products, organized under different categories, as well as alphabetic listing. |
| Engserv: A directory of engineering consultants, manufacturers and suppliers. |
| European Anti-Corrosion Directory: Directory of corrosion protection products and services in Europe. |
| Fiber Glass Directory: A database of organizations related to fiber glass business in India. |
| Fiber Optics Industry Directory and Information: Fiber optics industry directory listing companies, organizations, products, publications, services, references and tutorials. Fiber optics cleaning materials and procedures. Online fiberoptics, splicing, and termination tutorials. |
| FindGuru: Vertical Search Engine for product information and comparison in manufacturing, engineering, science and construction. |
| First Index: Web-based marketplace for industrial custom-manufactured parts and assemblies. Provides a listing of suppliers by process, region, approvals and speciality. |
| Flowmeter Directory: Flowmeter Directory - Flow meter manufacturers and supplier. |
| GeoIndex: Index to geotechnical engineering, environmental engineering, hydrogeology, mining and petroleum engineering |
| Geotechnical Directory: Information on academic and industrial research laboratories, service providers (test labs, consultants, contractors), forthcoming conferences, design standards (American and European countries) and books relating to geotechnical engineering. |
| GlobalSpec.com: Searchable engineering catalogs, thousands of products from hundreds of suppliers. |
| Indiaengineering.com: Engineering portal for India. Directory, tender offers, auction, job search, reference, technology query, news, and space machine offer space. |
| Industrial and Engineering Goods and Supplies: Database of industrial and engineering goods and supplies, manufacturers and exporters from India. |
| IndustryShack.com: A directory of industrial products providers. |
| International Powder Metallurgy Directory: Complete listing of manufacturers, suppliers, researchers and professional bodies working in the global powder metallurgy industry. |
| Iranian Professionals providing Engineering Services: The most complete database of Iranian engineering consultants, contractors, suppliers, and organizations. |
| LUPI: Directory of engineering companies. |
| Machine Design Product Search: Searchable catalog of engineering suppliers and industrial parts. |
| ManuBiz: A manufacturing industry directory. |
| Measurement Directory: Lists manufacturers and products in measuring instrumentation. |
| MHAPS: Online Material Handling Directory: Directory of material handling services and products in South Africa. |
| Mining and Industrial Services Directory: Comprehensive listing of suppliers, products and service providers to the mining and industrial sectors. |
| Offshore Technology: Portal for the offshore oil and gas industry, with information and news on current projects, and directory of products, services and contractors. |
| Oil & Gas and Petrochemical Industries Database and Business Directory: Engineering companies, contractors, vendors, suppliers, manufacturers and operators. |
| Online Community for Automation Engineers: Directory for motion control and industrial automation engineering industry. |
| Online Directory of UK Process Engineering Companies: An online directory of UK process engineering companies, products, services and news. |
| Plastictalk Polymer Engineering Business Directory: Free online business directory for the plastics industry. |
| PowderMetalWeb: A powder metal B2B portal, covering powder metallurgy and metal injection moulding. The site also includes an industry directory, a marketplace, and patents, technical and market news. |
| Process and Environmental Engineering: Directory of products and services for process and environmental engineering. |
| Process Engineering Online Directory: Directory and searchable database of process engineering companies, products and services. |
| Process Industries Supplier Registry: Online supplier directory for process industries. Vendors of products such as valves, pumps and strainers are arranged categorically, with search capability. Site also contains news, links, forums and events calendar. |
| Process Industry Directory (UK): Directory of industrial suppliers of automation, instrumentation, measurement and control products in UK. |
| Risk Management Internet Services - Environmental Safety: Providing paid subscribers with information relating to health hazards and the environment, regulations, renewable energy sources, inspections, and recycling. |
| Rubber Directory: A directory of rubber products manufacturers,importers and exporters. |
| Sensor Net-Work: Directory of sensor and instrumentation manufacturers. |
| Tank World: A community for professionals manufacturing and supplying components and products for the tank, vessel, reactor and kettle industry. Includes a directory of manufacturers and distributors. |
| Tektracker: Directory of soils engineering contractors. |
| Thai Instrumentation Directory: Industrial directory of Thailand's instrumentation and transmitter suppliers and manufacturers. |
| The Applegate Directory: A directory engineering companies, products and services in the UK and Ireland. |
| The engineering Link: Directory to engineering resources, e-books, consultants, contractors, and suppliers. |
| The Ex- and Haz-Loc Pages: Index to manufacturers and certifying agencies of Ex-e and other electrical equipment for use in hazardous locations with IEC zone classifications. |
| The SearchEng: Electrical, automation, control and instrumentation resources, search engine technical articles and product information. Operated by ABT Control Systems Ltd. |
| The Virginia Engineer: Directories of engineering consultants, manufacturer's representatives and contractors in the mid-atlantic region. |
| ThomasNet.com: A searchable database of information, products, services, and CAD drawings. |
| Vacuum-Guide: News and suppliers directory for engineers involved in the design or the operation of vacuum pumps and vacuum systems. |
| Valve Directory: An industrial valve manufacturer portal. Contains links and information on all types of valves. |
| World of Manufacturing: A directory of manufacturing companies. |
| World Rubber Directory: Online searchable directory of rubber manufacturers, exporters, importers and distributors. |
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