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Johnson Controls
Johnson Controls is a global leader in thermal management, mission-critical building systems, energy efficiency and decarbonization. We help our customers use energy more productively, reduce carbon emissions and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing and higher education. For more than 140 years, Johnson Controls has been delivering performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turning goals into real-world results and helping move society forward. Visit johnsoncontrols.com for more information.
IE
Public
$23.2B Revenue
http://www.johnsoncontrols.com
60.6K Employees
JCI Ticker
Trojan Battery Company
Founded in 1925 by co-founders George Godber and Carl Speer, Trojan Battery Company is the world’s leading manufacturer of deep-cycle batteries. From flooded lead acid batteries to AES AGM to lithium-ion batteries, Trojan has shaped the world of deep-cycle battery technology with 100 years of battery manufacturing experience. With the invention of the golf car battery for the Autoette vehicle in 1952, Trojan pioneered the development of deep-cycle battery technology for the golf industry; successfully introducing mobilization to the game of golf. For Trojan, this began a legacy of leadership and innovation that prevails today in the global, deep-cycle markets spanning applications for golf, renewable energy, transportation, floor machines, aerial work platforms, marine and recreational vehicles. Trojan’s operations include ISO 9001:2008 certified manufacturing plants in California and Georgia, two advanced research and development centers dedicated exclusively to deep-cycle battery technologies and international offices located in Europe, UAE and Asia. Trojan is a proud member of the Battery Council International (BCI) and a technical research partner with the Bulgarian Academy of Sciences.
Santa Fe Springs, California, US
Private
$255.9M Revenue
http://www.trojanbattery.com
588 Employees
A123 Systems
A123 Systems, LLC develops and manufactures advanced Nanophosphate® lithium iron phosphate batteries and energy storage systems that deliver high power, maximize usable energy, and provide long life, all with excellent safety performance. Contact Us at https://info.a123systems.us/en-us/contact-us Founded in 2001, A123's proprietary Nanophosphate technology is built on novel nanoscale materials initially developed at the Massachusetts Institute of Technology. Today, A123 Systems is headquartered in Livonia, MI and employs more than 2,000 people worldwide. A123 Systems is a TS-16949 and ISO9001 certified supplier of advanced lithium ion cells and systems designed to help customers quickly and cost-effectively take engineering breakthroughs from conception to commercialization. Why A123? Game-changing Technology From breakthrough Nanophosphate chemistry to innovations in battery systems management and complete system design, A123 Systems provides game-changing energy storage solutions that deliver a new combination of high power, excellent safety and long life. Complete Solutions A123 Systems partners with customers to provide complete energy storage solutions that enable the rapid development and delivery of innovative products that meet demand in both existing and emerging markets. Commitment to Operational Excellence At A123, we are dedicated to operational excellence from design and development to production and delivery. Our vertically integrated, state-of-the-art global manufacturing facilities produce high-quality electrodes, cells and battery systems to meet evolving customer requirements for innovative technologies. Field Proven With battery systems operating in vehicles ranging from passenger cars to commercial transit buses around the world, our experienced engineering teams have the expertise to integrate advanced battery systems that deliver premium performance in the field.
Novi, Michigan, US
Public
$619.2M Revenue
http://www.a123systems.com
571 Employees
NASDAQ:AONE Ticker
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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