DENWA Engineering (Pty) Limited was established for over 30 years and is a market leader in the Design, Manufacture and Supply of Electrical Switchgear, PLC Panels, Electrical Components and the Mydo Sonic Tamping Lock Plug.

DRI is a global provider of products and systems for energy recovery, Indoor Air Quality , fresh air treatment, evaporative cooling, green buildings, dehumidification and pollution control. DRI has always been a technology driven company and is known for its expertise as a solution provider.

Design Switchboards and Distribution is a reputable electrical manufacturing company that serves regions all over Australia from a comprehensively equipped and locally staffed workshop based on the Gold Coast, Queensland.

Deutsche Messe is an event organizer whose events and services have been bringing together exhibitors and visitors since 1947. Deutsche Messe has helped numerous small enterprises to become world market leaders, while at the same time supporting large-scale enterprises on their road to further expansion. Their expertise is as diverse as their portfolio and helping businesses is their passion.

Devard's Air Conditioning & Heating, Plumbing and Electrical offers affordable, reliable, energy-efficient, commercial and residential plumbing, air conditioning, heating and air conditioning units for the Dallas - Ft. Worth area with their '100% customer satisfaction policy', which is their company motto and what has led to their success.

DCS has been certified as Siemens technology partner in Panels manufacturing with SIMOPRIME solution in medium voltage & SIVACON solution in low voltage as type test solutions according to IEEC.

Diamond Electric Mfg. Corporation is recognized as a globally renowned company in safe, reliable and cost competitive automotive electrical components.

Diamond Energy is an Australian-based renewable energy generation and electricity retail company. They own and operate renewable generators across regional Australia and they deliver new renewables to the grid.

DICABS is India’s largest and truly integrated power equipment manufacturer of power cables (HV, LV & EHV) & transmission towers. DICABS’ state-of-the-art laboratory pioneers new technologies in the sector that has led to innovations.

For over 55 years, DID Electrical has been dedicated to delivering, installing, and demonstrating the latest home appliances and technology solutions to their valued customers. As an official guaranteed Irish member, they are committed to supporting local jobs and communities in Ireland for many years to come.

Diliigent Power has set up a coal based power plant in the state of Chhattisgarh, through an SPV DB Power Ltd. The Project has been successfully commissioned in 2015. Power generated from this project is being sold under the combination of long term and short term PPAs to state owned/private distribution companies and industrial consumers.

Direct Energy gives customers choice, simplicity, and innovation where energy, data, and technology meet. They make energy work harder for home and business customers across North America. They empower customers with simple solutions to track, understand, and control the electricity and natural gas they use.

Since its launch in 1985, Direct Line’s aim has always been to put the customer first.

Direct Power offers electrical and electronic components targeted at Electrical Engineering customers comprising commercial and non-commercial belonging to any community because we believe diversity is the golden key to progress.

Dispel LLC is a developer and distributor of secure remote-access and operational-management solutions. Dispel products are designed to supercharge every aspect of the facility operations. The Dispel Zero Trust Engine will help them grow, secure systems, and deliver more units at a lower cost, with products that achieve goals even faster when used together.

Dixie Electric Ltd. manufactures and remanufactures heavy duty starters and alternators for automotive, medium and heavy duty trucks, industrial, farm and marine applications. They are committed to a Management System that ensures continuous improvement, customer satisfaction, and integrity with our employees, customers and suppliers.

DKD Electric has committed to providing the highest level of expertise to its customers. As a pioneer in the electrical contracting industry, they have set the standards with their highly skilled team and vast amount of experience.

DMF brings a creative approach to lighting and offers industry-renowned technology that sets the bar for performance, quality, and flexibility. Its in-house Research and Development team designs products that provide exceptional aesthetics and are modular, which allows its lights to adapt easily to a future room redesign.

DMS are an independent supplier of metering and control solutions, principally operating within the Building Services, District Heating, Renewables, Utility and Distribution markets, with a proven track record for excellent customer service and support spanning over 20 years.

Dominion Electrical Supply Company, Inc. has providing electrical contractors, remodelers, building managers, and homeowners with electrical supplies, switchgear solutions, commercial lighting, residential lighting, and more. Family-owned and operated by the Sharlin and Krooth families, Dominion strives to be the electrical distributor of choice in the D.C. metropolitan area.

Dongyang E&P is working to continuously strengthen its capabilities by securing world-class research and development personnel and continuously developing advanced technologies such as wireless charging and rapid charging to stay one step ahead of anyone else in the technology development that customers and the market demand.

Dreisilker Electric Motor and Appliance Service by Henry Dreisilker , the company specialized in commercial motor repair and sales. As the business grew Mr. Dreisilker re-focused the core competency of the business towards industrial large scale motor re-manufacturing.

DRS Technologies is a supplier of integrated products, services and support to military forces, intelligence agencies and prime contractors worldwide. DRS holds leading market positions in thermal imaging devices, combat display workstations, electronic sensor systems, power systems, rugged computer systems, air combat training systems, mission recorders, deployable flight incident recorders, and environmental control systems etc.

DSG has grown to become a benchmark in the world of medium and high voltage. In the initial years, founder Rudi Van den Brande almost fully concentrated on the installation of transformers and switchgear in the Port of Antwerp area.

DTE Energy is a Detroit-based, diversified energy company involved in the development and management of energy-related businesses and services nationwide. Built on a strong utility base, DTE Energy's largest operating subsidiaries are DTE Electric and DTE Gas. Together, these regulated utility companies provide electric and/or gas services to more than three million residential, business, and industrial customers throughout Michigan.

DTEK Group aims to build trustworthy and responsible partnerships with its employees and the communities the company operates in. Their goal is to ensure a decent and safe working environment, as well as improve the quality of life where they operate, through sustainable social, economic, and cultural development.

From their 6.3-acre HQ in Glasgow, and further sites in Bristol and Rugby, DTGen supplies, installs and maintains diesel and gas generators, combined heat and power systems (CHP), solar, and BESS.

Dubai Euro Technical Services has built high-voltage substations and switch stations, as well as considerable maintenance, extension, and reconstruction work. They have experience doing high-voltage and medium-voltage substation work using the Engineer-Procure-Construct (EPC) project delivery technique.

For more than 100 years, Duquesne Light Company has provided safe and reliable electric service to communities in southwestern Pennsylvania, USA. They are committed to safely powering customers’ lives while playing an important role in their region’s clean energy transition. Their vision is to create a larger-than-light, clean energy future for all by delivering exceptional results.

Dynamar B.V., based in Alkmaar, the Netherlands, was established in 1981 in response to a growing demand for business and marketing reports in the maritime sector. Over the years, they have expanded considerably and established a network of offices, agents and correspondents across the world. As their client base has become more diversified, they have responded by developing and introducing new products and services.