Keegan Electric was founded in 2004 in Pittsburgh Pennsylvania. They specialize in Residential, Commercial, Marine Services, EV Charging, Solar and Power Generation projects in the US.

KenMor Electric is a respected solution provider and project manager for commercial, industrial, institutional, government, and residential service markets. KenMor professionals focus on customer service, superior workmanship, and full warranties on every project.

Kenny Electric is an industry-leading electrical partner. They have a proven track record of reliable performance. Kenny can capably deliver a wide range of innovative solutions. They specialize in electrical installation, security design, facility maintenance service, and automation.

Keystone Electrical Manufacturing Company specializes in engineering and manufacturing control systems that combine experienced craftsmanship, on time delivery, at a competitive price. Their team works hand-in-hand with users to manufacture a turnkey solution based on the specifications.

Kiewit is one of North America's largest and most respected construction and engineering organizations. With its roots dating back to 1884, the employee-owned organization operates through a network of subsidiaries in the United States, Canada, and Mexico. Kiewit offers construction and engineering services in a variety of markets including transportation; oil, gas and chemical; power; building; water/wastewater; industrial; and mining.

Kirk Key has been the pioneering industry leader in interlocks. KIRK designs and manufactures interlock safety solutions to ensure the safety of workers and the efficiency of operations. KIRK manufactures more than 70,000 safety components each year for use i n a wide range of industries, guaranteeing a sequential pattern of safe operations for isolating energy.

Knight Electric has deep industry expertise across all commercial environments, they provide: Open Store Modernization/Remodel, New Construction, Nationwide Rollouts, Electrical Service and Repairs, Disaster Recovery, Generator and Alternate Energy Installation.

Kodiak Electric Association, Inc. (KEA) owns, operates, and maintains an isolated grid. KEA has several renewable energy resources, the primary being the Terror Lake Hydroelectric plant providing approximately 80% of their generation.

La Plata Electric Association, Inc., a Touchstone Energy Cooperative, is Colorado’s fifth largest electric distribution cooperative, serving more than 33,000 individual, family and business members in La Plata and Archuleta, with segments of Hinsdale, Mineral and San Juan counties. LPEA also serves a portion of Rio Arriba, New Mexico.

Lake Erie Electric is a major electrical contractor serving industrial and commercial customers throughout Ohio and southern Michigan since 1952. Lake Erie Electric has grown into a significant innovative provider of electrical construction services that’s in the Engineering News-Record (ENR) listing of the top 50 electrical contractors.

LEC is a contractor that specializes in design/build construction complete with engineering capabilities in house. Their favorite projects are healthcare projects including surgery centers, clinics and hospital construction, manufacturing/food plant projects, and large, high end commercial projects.

Specializing in quick-turn Printed Circuit Board Assembly (PCBA), Laritech provides same day turnaround for PCB prototypes. Standard lead times are 3-5 days for pilot runs and 2 weeks or less for production volume PCB orders.

Lattice Semiconductor is the low power programmable pioneer. They solve customer problems across the network, from the Edge to the Cloud, in the growing communications, computing, industrial, automotive and consumer markets. Their technology, long-standing relationships, and commitment to world-class support lets the customers quickly and easily unleash their innovation to create a smart, secure and connected world.

Alstom commits to contributing to a low-carbon future by developing and promoting innovative and sustainable transportation solutions that people enjoy riding.

Leff Electric is the preferred choice in electrical products & services for the commercial, industrial, and residential markets. They distribute major manufacturers'​ electrical products such as energy-saving products & services, lamps, lighting fixtures, ballasts, distribution equipment, conduit, connectors, wire, enclosures, and more.

Legacy Electric is an extremely motivated, facilities service electrical company. They are customer focused and know that through building strong relationships with their clients.

Lighting Associates, Inc. stands dedicated as the architectural lighting sales industry's best provider of top quality lighting, efficient service, and knowledgeable design assistance for commercial, industrial, hospitality and other applications.

The Link Electric Company is a well established electrical contracting firm that provides high quality and safety conscious electrical services for the industrial and commercial markets in the Kentuckiana area. Professionalism and Integrity are two traits that Link Electric has encompassed since the business was founded in 1930.

Lippolis Electric, Inc. has earned a solid reputation for providing a wide range of superior electrical services at competitive prices in Westchester, Dutchess, and Putnam Counties.

Lithonia Lighting has been providing the industry’s broadest line of commercial, industrial, and residential lighting now for over seven decades. Together, with their partners, they bring quality, reliability, and solid performance to the customers.

Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

Lone Star Electrical Services don't just offer services; they craft electrical experiences with their 21 years of in-depth industry learning. The founder, equipped with several years of rich experience, took on varied projects, mastering the nuances of the electrical domain.

LSI Corporation is an Avago Technologies Company that specializes in semi-conductors manufacturing and servicing. They offer a broad range of analog, digital, mixed signal and optoelectronics components and subsystems for the wireless communications, wired infrastructure, enterprise storage, and industrial and other markets.

Lumberg Automation products deliver intelligent wiring solutions such as electronic field bus components and connector and distribution box systems for all applications in industrial automation technology and complete wiring concepts for mechanical engineering and production systems for a wide range of industries.

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.

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.

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.