Ludvik Electric Co., incorporated in Colorado in 1980, has completed over $2 Billion of electrical installations both nationally and abroad.

Lumex's optical range encompasses a wide spectrum including UV, visible and infrared wavelengths. Lumex's Technical Design Specialists are experts in collaboratively developing effective, smart solutions to design dilemmas. Lumex is unique in the market due to the unprecedented level of complimentary technical support provided to large and small customers alike.

Luminant, a subsidiary of Vistra Energy, is a competitive power generation business, including mining, wholesale marketing and trading, and development operations. Luminant has nearly 17,000 megawatts of generation in Texas, including 2,300 MW fueled by nuclear power and 8,000 MW fueled by coal. The company is a large purchaser of wind-generated electricity. Vistra Energy is a premier Texas-based energy company focused on competitive energy.

Luminator has been an innovator in the design and manufacture of communications and lighting products for more than 90 years. They serve three major transportation sectors: bus, rail, and aerospace. Luminator is the world's largest manufacturer of transportation lighting and destination signs and solutions to improve safety and efficiency.

Luminous Electric provides various electrical services for both homes and commercial properties. Their technicians are experienced, trained, licensed, and insured, and are experts in electrical installation, repair, and maintenance.

Luminus focused on improving energy efficiency, light output, the quality of light, and longevity, and developing new form factors to address the needs in many different application areas including architectural and urban, displays and projection, horticulture, and illumination.

Lutron Electronics is a manufacturer of energy-saving light, shade, and temperature controls for new and existing homes and offices.

Lyten was founded on the vision of using advanced technology from the semiconductor industry to produce abundant clean energy in the form of hydrogen. However, we discovered the ability to produce a revolutionary new material: three-dimensional graphene. This new supermaterial boasts remarkable properties and enormous potential for innovative products and significant decarbonization effects.

M. J. Electric, LLC (MJE), a Quanta Services company, is a nationally recognized prime electrical contractor in the electric transmission, substation, distribution, renewable energy, power, industrial, instrumentation, and civil/foundation construction industries.

As an engineer M&Z Electrical Contractor is capable of troubleshooting electrical deficiency and problems, panel upgrade and Generators installation and more.

MEW has built a team of over 120 full time digester experts, plus a network of strategic partner companies that have a familiar, collaborative working relationship that is unequaled in the industry, enabling projects to move rapidly, avoid unnecessary costs, and provide a high quality and reliable outcome.

MacroFab brings together the best factory lines in North America to seamlessly enable any company to manufacture high-quality electronics more efficiently at a competitive price.

Macromatic designs and manufactures industrial control and monitoring products that control electrical processes and monitor power for damaging fault conditions. Their headquarters and manufacturing facility is located in Menomonee Falls, Wisconsin, a northwest suburb of Milwaukee.

MAD is advancing its mission through the construction, installation, and ongoing maintenance/repair of plants and apparatus for the supply and distribution of electricity, natural gas, and other forms of clean energy

Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market. They work with small operators, all the way up to the largest projects in the country.Their customers value speed, transparency, and an easy buying experience.

Madison Electric Products provides over 2,000 field-tested and field-created products developed by electricians for electricians to the electrical supply and manufacturing industries. Headquartered in northeast Ohio, Madison Electric Products boasts a customer service-oriented coast-to-coast network of sales reps and distribution centers.

Magna-Power designs and manufactures robust programmable power products in the USA that set industry standards for quality, size, and control. Their experience in power electronics is reflected in their 1.25 kW to 3,000 kW+ product line, 150,000+ product configurations, quality service, and reputation for reliability.

Malloy has been a pioneer in the electrical and power transmission industry. Malloy has built its reputation by providing innovative, cost-effective solutions that can improve the performance of the equipment, process, and bottom line.

Mamco is a manufacturer and service provider of high-quality electric motors for a wide range of industries. The company was founded in 1979 and has since become a trusted name in the industry, providing innovative solutions to meet the unique needs of their clients.

Mammoth Electric, Inc. is a California-based electrical contractor established in 1995, with its key employees bringing 75 years of combined experience to the organization. Mammoth Electric Inc. has a professional team of electricians and supervisors as well as an internal support staff.

Manutech is a manufacturer of Magnetic Components with over 25 years of experience providing high quality, competitively-priced products.

Mark One Electric specializes in the design, installation, and maintenance of complex electrical systems. They are one of the largest and most respected union electrical contractors in the Midwest.

Marmon Holdings, Inc., part of Berkshire Hathaway Inc., is a global industrial organization comprising 11 diverse business sectors and more than 125 autonomous manufacturing and service businesses. These sectors include Fire Safety, Crane Services, Electrical, Foodservice Technologies, Industrial Products, Medical, Metal Services, Plumbing & Refrigeration, Rail & Leasing, Retail Solutions, Transportation Products, Water Technologies.

Maron Electric Company is an innovative force in the electrical industry with advanced products and systems for the most challenging applications.

Martell Electric is dedicated to providing superior customer service and maintaining the highest standards of integrity, professionalism and safety while maximizing value for the customers.

Marvell believes that infrastructure powers progress. That execution is as essential as innovation. That better collaboration builds better technology. At Marvell, they go all in with the users.

Massey Electric Company is a full-service electrical contractor headquartered in Alcoa, Tennessee with separate offices in Kingsport, Tennessee, and Cleveland, Tennessee. They offer a full range of services from design and planning through new construction to renovation and service work for existing structures

Master Electric is a full-service electrical contractor servicing the upper mid-west since 1973, providing commercial/industrial, multi-family, communication/data/fire/safety with a full-service department. Master Electric is a proud provider of TESTT Services - guaranteed predictive & preventive maintenance solution programs for electrical distribution systems.

Matanuska Electric Association, Inc. (MEA), is Alaska’s oldest existing and second-largest electric cooperative. MEA is owned and operated by its more than 51,000 members and governed by bylaws and articles of incorporation that are voted on and approved by the membership.

Matrix Design Group, Inc. is an award-winning, employee-owned firm, providing innovative solutions across multiple and varied industries. They understand that even the simplest project requires capabilities spanning disciplines, and their integrated ‘matrix’ structure lets them leverage the expertise needed to meet client goals and build more sustainable, resilient communities.