Sound, signal, alarm and communications equipment manufacturers in United States of America (USA) (220 found)
Hitachi-Comark is a highly specialized company with more than 50 years of continuous activity and experience in the field of high power RF Technology.
HMT Electric Inc. specialize in electrical installations for high-rise construction projects that utilize a cast-in-place concrete design. HMT ELECTRIC INC. was established in February of 2007. After many years of running high-rise divisions for other electrical contractors,
Hoops Electric Service, a locally owned company serving all of Florida and the surrounding area and their team of professionals is dedicated to helping users with all of their electrical needs. Their quality, integrity, and affordable prices have earned them a reputation as industry pioneers.
HP Inc.'s vision is to create a world where innovation drives extraordinary contributions to humanity. This vision guides everything they do, how they do it, and why they do it. Their technology – a product and service portfolio of personal systems, printers, and 3D printing solutions – was created to inspire their vision and they are doing everything in their power across climate action, human rights, and digital equity to make it so.
HSI Sensing provides custom and standard switching and sensing solutions. HSI Sensing manufactures reed switches and proximity sensors. These devices complete electrical circuit paths when magnetism is placed close to the switch or sensor. Their production process is precise and known for making the most difficult types of switches.
Hugh O’Kane Electric Company has delivered telecommunications installation, electrical maintenance services, and electrical contracting for businesses and institutions in the New York City area. HOK’s technicians are knowledgeable about NYC’s electric and telecommunications infrastructure, and the expansion of 5G and Wifi services in NYC.
Hydro-Craft, established in 1958 in a small shop in Detroit, Michigan as a manufacturer of quality hydraulic tanks. They currently have two state-of-the-art plants located in Rochester Hills, Michigan and Henderson, Nevada, USA.
Hyliion is committed to creating innovative solutions that enable clean, flexible and affordable electricity production. The company’s primary focus is to provide distributed power generators that can operate on various fuel sources to future-proof against an ever-changing energy economy.
Hypower is a general contractor specializing in commercial and industrial electric, electrical service, and utility contracting. The company works with some of the general contractors, utilities, developers, and institutions in the United States.
Igarashi Motors specializes in the design and manufacture of small, permanent magnet DC motors and gear motors. For over half a century, Igarashi Motors has been dedicated to providing quality product and service to the customers.
The Inductotherm Group offers advanced technology for the engineering, manufacturing, and service of thermal processing equipment used in the melting, heating, heat treating, forging, galvanizing, coating, cutting and welding of metals. Bringing together 40 companies with 38 manufacturing facilities located in 19 countries, Inductotherm Group delivers innovative products throughout the world.
InterDigital, Inc. develops mobile and video technologies at the core of devices, networks, and services worldwide.
Interstates is the trusted partner for electrical, automation, and operational technology needs. They have tackled complex challenges for over sixty-five years and developed innovative solutions for industrial manufacturing and processing facilities worldwide.
JE Richards is a large union Commercial Electrical Contracting company. They have provided services in nearly all competitive industries in MD, VA & DC including institutional, entertainment, hospitality, retail, healthcare, financial services, education, and government.
At Jenkins, they believe in the human energy of their people. Since 1907, they have focused that energy on finding solutions and fostering excellence in electro-mechanical repair and test.
JMS was built on a foundation of teamwork; their culture of safety and quality has made them a pioneer in renewables for the past 30+ years. They have a solutions-based work ethic that allows them to foresee, adapt and overcome challenges.
KB Energy provides wind resource assessment solutions for clients across the US. For over 20 years, they have been providing quality service and they thoroughly enjoy being the first step in the process of harvesting the wind.
Kearney became the first company in Arizona to successfully integrate Telecommunications into one seamless operation, completing such projects as Arizona State University’s Lattie Coor Hall and Walter Cronkite School of Journalism, and providing telecommunications design and installation for the University of Phoenix Stadium in Glendale.
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.
Killark, a member of the Hubbell Harsh & Hazardous group of companies, has become a global provider of harsh and hazardous location products. Their range encompasses industrial and explosion-proof equipment engineered to perform in the most extreme environments.
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.
Larson Electronics LLC is a manufacturer of industrial lighting equipment and accessories. Larson Electronics offers an assortment of explosion proof coolers, fans and cooling systems for hazardous locations. These units are designed to support the operation of heavy duty equipment in hot environments.
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.
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.
Lighthouse Electric Company, Inc. was formed in March of 1984 as an electrical contracting firm, and we continue to maintain a focus on commercial, institutional and industrial projects. They are a member of NECA (National Electrical Contractors Association) and BICSI (Building Industry Consulting Service International).
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.
Lonestar Electric Supply is a Texas-based full line electrical distributor specializing in lighting and control design, project management and logistical excellence. Lonestar is owned and operated by experienced pioneers with a proven track record in the industry.
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.
Browse Electrical companies
Upcoming electrical events in United States of America (USA)

Electric & Hybrid Vehicle Technology Expo 2025
- 6 - 9 Oct, 2025
- Detroit, United States of America (USA)

The Utility Expo 2025
- 7 - 9 Oct, 2025
- Louisville, United States of America (USA)

POWERGEN International 2026
- 20 - 22 Jan, 2026
- San Antonio, United States of America (USA)

IPC APEX EXPO 2026
- 17 - 19 Mar, 2026
- Anaheim, United States of America (USA)

NECA 2025 Chicago
- 12 - 15 Sep, 2025
- Chicago, United States of America (USA)

T&D World Live 2025
- 23 - 25 Sep, 2025
- Glendale, United States of America (USA)

SPARK 2025
- 26 - 28 Sep, 2025
- Phoenix, United States of America (USA)

Electric & Hybrid Vehicle Technology Expo 2025
- 6 - 9 Oct, 2025
- Detroit, United States of America (USA)

The Utility Expo 2025
- 7 - 9 Oct, 2025
- Louisville, United States of America (USA)

POWERGEN International 2026
- 20 - 22 Jan, 2026
- San Antonio, United States of America (USA)

IPC APEX EXPO 2026
- 17 - 19 Mar, 2026
- Anaheim, United States of America (USA)

NECA 2025 Chicago
- 12 - 15 Sep, 2025
- Chicago, United States of America (USA)

T&D World Live 2025
- 23 - 25 Sep, 2025
- Glendale, United States of America (USA)

SPARK 2025
- 26 - 28 Sep, 2025
- Phoenix, United States of America (USA)

Electric & Hybrid Vehicle Technology Expo 2025
- 6 - 9 Oct, 2025
- Detroit, United States of America (USA)