Crum Electric Supply Co., Inc.'s headquarters are in Casper, WY with 10 branch locations in Wyoming, South Dakota, Colorado and Utah. Crum Electric Supply has grown steadily since its beginning. Growth has come both internally and by acquisition.

Crydom is the world's leading solid state relay manufacturer. They offer the widest range of off-the-shelf solid state relays, contactors and related products, as well as custom-designed solid state switching solutions.

CSI has become a pioneer in highly technical and innovative electrical design and construction. They are a full-service firm with the resources and expertise to handle any commercial, industrial, or one-of-a-kind challenge. They are a trusted contractor to a variety of industries, such as, aerospace, biotech/pharmaceutical, education, healthcare, entertainment, hospitality, manufacturing, and retail to name a few.

Cupertino Electric, Inc. (CEI) is a 67-year-old electrical engineering and construction company headquartered in San Jose, California that solves large, complex problems for commercial, renewable, utility and data center customers.

Curtis offers a full spectrum of everything users need to design and build the electric and hybrid vehicle or equipment. Their engineering expertise spans more than 50 years, in all types of electric powertrain applications. They make it easy, with the right components and integrated system design, and the best customer support needed for leading-edge product development.

Curtiss-Wright Actuation Division provides high performance sensors, valves, and electromechanical actuators to critical applications in the aerospace, defense, and industrial automation markets.

At Custom Connector Corporation, they utilize more than 40 years of experience to create quality, American-made and designed industrial relay sockets, automotive relay sockets and connectors, electronic packaging products, terminal blocks and custom designed electro-mechanical interconnect devices.

CyberPower designs and manufactures uninterruptible power supply (UPS) systems, power distribution units (PDUs), rack enclosures, surge protectors, remote management hardware, power management software, mobile chargers, and connectivity products.

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.

Dashiell is a leading national provider of high and medium voltage electrical services to the electric utility, power generation, industrial, and renewable energy industries.

Day Electric is a National Leader in Commercial Solar Repowering and O&M. They are a family-owned and operated Solar O&M provider in the Central Virginia region with almost 2 decades of experience.

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.

Decker Electric is an electrical contractors in Wichita, Kansas providing residential, commercial, and industrial electric service. The company was founded more than thirty years ago with the belief that treating customers well and providing the highest quality service is how to cultivate long term business relationships

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.

Delta-Q Technologies is charging the future and driving the world’s transition into electric energy! They collaboratively design, test, and manufacture robust battery chargers that improve the performance of the customer’s electric drive vehicles and industrial machines.

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.

Denner is the largest discount supermarket chain in Switzerland. In 2021, the company increased sales for the tenth time in a row and successfully asserted itself in a challenging market environment.

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

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.

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.

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.

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.

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.