Dakota Electric is regulated by the Minnesota Public Utilities Commission and reaches more than 112,000 members. This makes Dakota Electric Association the second largest electric cooperative in Minnesota and ranked among the 25 largest electric distribution cooperatives in the nation.

For over 90 years, Daramic, LLC has led the way in developing new and innovative technology for the lead acid battery market. With headquarters in Charlotte, North Carolina, USA - Daramic is the global leader in supplying high performance polyethylene battery separators to the lead acid battery industry.

Daylight Electric has a commitment to completing the electrical project on time and within the budget, while providing only the highest quality workmanship to their own exacting standards. They offer the clients prompt, professional and friendly service on all types of electrical projects.

Decatur Industrial Electric provides electro-mechanical repair solutions to a variety of industries throughout the Midwest. They pride themselves on being a strategic partner in reliable solutions to the customers; they understand when a plant has unplanned production downtime it can cost hundreds of thousands of dollars.

Delco Electric Inc., a family owned and established in 1979, is an award-winning commercial electrical contractor, specializing in negotiated design build and design assist projects of any size. With over 35 years of experience in the construction industry, Delco Electric has assembled a team of dedicated professionals to become one of Oklahoma’s premier electrical contractors.

Delphian Systems invented SecuRemote® technology as a response to OEM needs for eliminating the complexity of adding secure mesh networks and mobile/cloud connectivity to existing products. They combine powerful technology with user-friendly software to create simple, secure, and complete wireless solutions for diverse IoT applications.

Deltrol Corp. is a world leader in the development and manufacture of electromechanical controls and hydraulic systems and components. The organization's business units are structured into three divisions, Deltrol Controls, Deltrol Fluid Products, and Fluid Power and Controls Co., Ltd.

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.

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.

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.

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.

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.

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.

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.

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.

Dynamic Electricians has service technicians available to deliver their high-quality service to homeowners throughout East Texas. Their goal is to go the extra mile, every time, so if they need to extend a bit beyond their service area to reach users if needed.

E-J Electric is proud to offer a wide range of services, from design-build to critical response to power and renewables. They're here to meet all the electrical needs, whether they’re working on an industrial project, a high-rise commercial building, or a healthcare facility.

EC Electric has been designing and installing networks that power life since 1946 in airports, factories, schools, hospitals, office buildings, power plants, and data centers. They are a trusted partner of choice, providing comprehensive power solutions through superior parts, people, and expertise.

ECS Technical Services specializes in design, build and maintenance of electrical and fire alarm systems that are built to last. ECS team of elite specialists have been recognized as an authority to solve problems head-on before they impact production by delivering electrical, arc flash, technical service, and fire solutions they can count on.