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.

Design Electric, Inc. is an electrical contractor serving the Central and Western Virginia area. As such, they provide electrical construction and maintenance services, primarily for commercial, institutional and industrial clients.

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.

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

Since its founding in 1972, Digi-Key Electronics has been committed to offering the broadest selection of in-stock electronic components, as well as providing the best service possible to its customers, aiding engineers through the entire design process, from prototype to production.

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.

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.

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.

Electric cooperative serving over 38,000 accounts in 7 counties including Jones, Jasper, Forrest, Wayne, Perry, Covington, and Clarke. The association provides reliable and affordable electric power to its members. The association is governed by a seven-member board of directors and has 92 full-time employees.

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.

Dodge Electric, a licensed contractor, serves Chandler, Phoenix, Mesa, Tempe, Gilbert, and Scottsdale in Arizona, USA, with expert electrical solutions. They offer emergency repairs, maintenance, panel upgrades, outlet work, and lighting installations for both residential and commercial clients. Committed to safety and quality, their skilled electricians ensure dependable, full-service care that powers and protects homes or businesses.

Dolce Electric Co is an electrical contractor based in Mesa, Arizona, USA. They provide electricians for commercial and residential electrical services. In business since 1999, they provide free estimates and a lifetime parts and labor guarantee with every completed project. Their electricians in Mesa are equipped with the latest diagnostic and electrical repair technology and tools.

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.

Dominion Energy is committed to sustainable, reliable, affordable, and safe energy and to achieving net-zero carbon dioxide and methane emissions from power generation and gas infrastructure operations by 2050.

Doug's Electrical Service installs Generac home standby generators. They can install the generator and automatic transfer switch.

DP Electric (DPE) has a long history as a dedicated trade partner. The company, founded by Dan Puente in 1990, has become one of the leading, full-service electrical contracting firms in Arizona. DPE has developed markets and technologies to become a pioneer in Aviation, Corporate Office, Healthcare, Mission Critical, Hospitality, Higher Education, Medium Voltage, and Renewable Energy.

At Drawer, they combine decades of real-world electrical estimating expertise with cutting-edge artificial intelligence to build tools that work the way estimators think.

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.

DRM Electrical is Milwaukee's choice for electrical contractors for construction, repair work, cabling, networks and inspections. They meet the needs of their clients for every project by working hard and use their years of industry experience.

At DSL Electric, they offer trusted electrical services in Acworth, GA, and the surrounding areas. They have over 27 years of experience in the electrical industry, and they've been providing quality service since day one.

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.

Duke Energy is one of the energy holding companies in the United States. Its Electric Utilities and Infrastructure business unit serves approximately 7.5 million customers located in six states in the Southeast and Midwest. Their Commercial Renewables business unit operates a growing renewable energy portfolio across the United States.

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.

Duralec is the fastest-growing supplier of LED lighting solutions in the Midwest, serving clients across the commercial, industry and retail sectors with LED lights, fixtures and supplies that are guaranteed to perform.

Founded in 1960 in Rochester, New York, Dynalec's first product was a ship’s entertainment center manufactured for the U.S. Navy. In 1973, as customer demand and product line grew, they moved 35 miles east to larger facilities in Sodus, New York, located in the Northern tier of New York’s famous Finger Lakes region.

In addition to the standard electrical contracting work, or technology services Dynamic Electric can provide turnkey service for any plant/equipment modifications or additions. Dynamic Electric will design, fabricate, install and troubleshoot per your requirements.