Denier know them as a people-oriented company. Family owned and operated since 1942, they put a great deal of care in the selection and training of each employee. Their partnership with the users is a trust that only bright, motivated, experienced individuals can guarantee.

Denney Electric Supply was founded in 1938 on simple principles: fast, friendly service for residential, industrial, and commercial contractors.

DENT Instruments designs and manufactures data loggers and energy meters for today's energy professionals. Their products are often the first step in developing strong energy strategies, for maintaining peak operations, and for lowering operating costs.

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.

Desert Solar Power develops, finances, builds, operates, and maintains utility-scale solar energy projects, with a focus on the Mongolian market. Mongolia offers significant potential for energy generation from renewable sources. It faces an increasing energy demand that cannot be met by conventional energy sources alone.

Desert Technologies (DT) is a global platform for sustainable development including investment development & management and an engineering, procurement and construction platform for large-scale renewable energy projects.

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.

Over the years, Desire Energy Solutions has successfully implemented various ESCO, Solar, IoT based IT and infrastructure projects in the field of public water sector under various central and state government initiatives, such as Jal Jeevan Mission, PM-Kusum, Panghat Yojna etc.

Detra Solar is an ISO-certified Solar & Storage design, engineering, and consulting firm. They work with EPCs, project developers and investors into solar energy globally.

DEUTZ has stood for pioneering spirit, passion and innovative power. From the time they first invented the internal combustion engine they‘ve been improving it day by day.

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.

At Dexler Energy, they are redefining industrial solar investments. They help mid-sized businesses own solar land and generate power by delivering pre-approved, plug-and-play solar parks with 100% statutory compliance and a return on investment in under four years.

DGR Energies is located in the Centre-Val de Loire region. It specializes in climate engineering, electrical engineering, and renewable energy. - Heat pump - Air conditioning - Heating - Electricity - Photovoltaic.

In the era of LED lighting, the company manufactures high quality eco-friendly LED Lamps & Luminaries and Solar Powered Lighting system which are ideal for domestic, commercial and industrial applications, both for indoor and outdoor applications.

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

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.

Digilogic Systems delivers advanced Systems, Solutions, and Products across Defense and Aerospace sectors. Their experienced technical team specializes in developing Automatic Test Equipment, Simulators for systems spanning DC to 40GHz, and Data Acquisition & Control systems. As a Silver Alliance Partner of National Instruments (USA), we excel in system integration and algorithm development.

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.

Diodes Incorporated is a renowned global manufacturer and supplier of high-quality semiconductor products to the world’s major companies in the automotive, industrial, computing, consumer electronics, and communications markets. Their broad range of application-specific solutions and solutions-focused sales, coupled with worldwide operations of 32 sites, includes engineering, testing, manufacturing, and customer service,

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.

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.

Discover Energy is an 100% Australian owned company run by a group of innovators, IT geeks & disruptors of the traditional energy supply chain. They are committed to making a bigger difference! They aim to effectively reduce daily emissions by combining green energy and giving customers the power to redistribute their energy back into the grid.

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.

Distributie Oltenia is the legal successor of Electrica Oltenia since March 15, 2007, continuing the exclusive activity of electricity distribution as the owner of the assets necessary to carry out the activity following the separation of activities imposed by European legal requirements. Distributie Oltenia aims to improve the level of safety in electricity distribution and reduce energy losses.

DITEK Surge Protection is a proactive investment to safeguard the most valuable electronic and digital assets. It’s like insurance to protect communications, fire protection, security systems, home appliances – anything plugged in to connect to power.

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.

Dixon Technologies (India) Limited has been leading the electronic manufacturing services (EMS) space in India. Founded in 1993 and commenced manufacturing of color television in 1994, Dixon has now expanded its operations to various sub-segments of electronics.

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.

Dobry Prąd Technologies purchases and sells renewable electricity production assets for producers: any type of RTB or operational renewable installation projects in Wind PV and Biogas.