1. Home
  2. Companies
  3. Comfort Systems USA
CS

Comfort Systems USA

About

Comfort Systems USA exists to solve one of the built world's most fundamental challenges: delivering safe, comfortable, and efficient facilities at scale. Every day, businesses, hospitals, universities, and industrial facilities rely on complex mechanical, electrical, and plumbing systems that are difficult to design, install, and maintain. Comfort Systems USA changes that by providing nationwide expertise through a network of more than 50 operating companies across 184 locations, bringing local knowledge backed by national resources.

Since going public in 1997 with just 12 companies, Comfort Systems USA has grown into a Fortune 500 company with over 18,300 employees, generating $7 billion in annual revenue. The company doesn't just install systems - it builds legacies by preserving the life's work of the family businesses it acquires, providing career paths for its people, and delivering long-term value for customers through safety, sustainability, and operational excellence. From commercial HVAC to mission-critical process piping, from modular construction to building automation, Comfort Systems USA integrates planning, engineering, and implementation to solve the most complex building challenges across America.

Similar companies

SS

Strategic Systems International

Strategic Systems International (SSI) is a Chicago-headquartered Advanced Analytics and Software Engineering firm that builds data-driven applications for Tech Companies and Enterprises. Founded in 1991 in an incubator in Evanston, IL by alumni of University of Chicago and Northwestern University, SSI has grown into a global organization with offices across Europe, Asia, and Latin America. The company blends human expertise with AI to power meaningful business transformation, delivering solutions that feel intuitive rather than algorithmic. SSI serves a diverse client base ranging from VC-backed fast-growing Tech Startups to Fortune 100 companies. Their key domains and sectors include FinTech/Financial Services, HealthTech, Big Data & Analytics, Machine Learning, and Industry of Things (IoT). The company offers comprehensive services including Digital Consulting, Data Services, Advanced Analytics, AI/ML solutions, Generative AI, SaaS Applications, Mobile Solutions, and Cloud Services. SSI has established itself as a trusted partner for AI-driven tech solutions, recently launching a Center of Excellence to drive innovation in AI and technology.

1 job
AS

AMERICAN SYSTEMS

AMERICAN SYSTEMS is one of the largest employee-owned companies in the United States, with approximately 1,500 employee-owners working to deliver mission-critical IT and Engineering solutions to complex national priority programs. Founded in 1975 and 100% employee-owned since 2015, the company has earned recognition as a Top Workplace USA for five consecutive years (2021-2025) and consistently ranks among the Top 100 Government Contractors by Washington Technology. Based in McLean, Virginia, AMERICAN SYSTEMS provides strategic solutions across Defense, Intelligence, Federal Law Enforcement, and Federal Healthcare sectors, supporting customers who keep our nation safe through enterprise IT, engineering analysis, test and evaluation, program mission support, and training services. As a federal government contractor with nearly 50 years of experience, AMERICAN SYSTEMS has demonstrated sustained growth and operational excellence through its proprietary MERGE (Mission-Engaged Resources Geared for the Enterprise) Service Delivery Framework. The company has been honored with the HIRE Vets Gold Medallion Award for six consecutive years (2019-2024), recognized as a Best of the Best Top Veteran-Friendly Company, and holds critical certifications including ISO 9001:2015, AS9100D, CMMI Level 3, and NSA CSfC Trusted Integrator status. Through its Employee Stock Ownership Plan, every employee shares in the company's success, creating a culture of ownership that drives exceptional customer service and mission success.

US

USA Solventum Health Information Systems, Inc.

Solventum is a healthcare innovation company dedicated to enabling better, smarter, safer healthcare to improve lives. Built from a legacy of more than 70 years of delivering healthcare breakthrough solutions, the company became an independent entity through its spin-off from 3M on April 1, 2024. Solventum operates at the intersection of health, material, and data science, pioneering innovations that address healthcare professionals' toughest challenges and improve patient outcomes across the continuum of care. The company's comprehensive portfolio spans medical solutions including advanced wound care, surgical solutions, IV site management, sterilization assurance, and patient monitoring technologies. Solventum also leads in oral care with dental and orthodontic solutions, health information systems that leverage clinical intelligence and data science, and purification and filtration technologies for biopharmaceutical, manufacturing, and water applications. With approximately $8.3 billion in annual sales and over 10,000 employees worldwide, Solventum combines deep scientific expertise with a patient-centered approach to transform healthcare delivery.

ES

Enghouse Systems

Enghouse Systems Limited is a consistently profitable, publicly traded Canadian software company that has grown both organically and through strategic acquisitions since its founding in 1984. Listed on the Toronto Stock Exchange under the symbol ENGH, Enghouse serves as a global provider of enterprise software solutions across distinct vertical markets through its four specialized divisions: Interactive, Networks, Transportation, and Video. With $502M in revenue as of October 2024, zero debt, and approximately 2,000 employees worldwide, the company maintains a strong financial foundation while delivering mission-critical software to organizations in 120+ countries. The company's diversified portfolio addresses complex challenges across telecommunications, public safety, transportation, customer experience, and data analytics sectors. Enghouse Networks powers digital transformation for communications service providers with OSS/BSS solutions, while Enghouse Transportation enables intelligent mobility through transit management and public safety technologies. Enghouse Interactive delivers contact center and AI-powered customer engagement platforms, and Enghouse Insights provides data collection and analytics for market research. By maintaining a decentralized structure that preserves the entrepreneurial spirit of acquired companies while leveraging corporate resources for growth, Enghouse has established itself as a trusted partner for enterprises, government agencies, and service providers requiring reliable, scalable software infrastructure.

AS

Aker Systems

Aker Systems is the data modernisation company that designs, builds and operates advanced, AI-ready data infrastructure and solutions. Founded in 2017, Aker has established itself as a trusted partner for large organisations requiring highly secure, cloud-based data platforms. The company specialises in serving high-assurance environments across government, energy and utilities, and financial services sectors. Aker’s approach combines cloud-based software platforms with standardised, repeatable services that empower in-house IT, operations, and data teams. From early work with government departments to large-scale transformation programmes in highly regulated industries, Aker has earned a reputation for delivering at pace without compromising on rigour, resilience, or trust. The company’s proprietary technology solutions include the Aker Cloud Enablement Platform™ for provisioning, securing, and managing cloud environments, and the Aker Data Enablement Platform™ for creating and managing Data Products.

TU

T-Mobile USA, Inc.

We're the Un-carrier, and we're on a mission to change the wireless industry for good. People come first in everything we do—that's not just a slogan, it's how we operate every day. We started because we saw customers getting frustrated with the same old rules, hidden fees, and complicated contracts from other carriers, and we knew there had to be a better way. Our team spans retail stores, customer experience centers, technology hubs, and corporate offices across the country. We're not just selling phones and plans—we're building connections that help people stay close to what matters most. Whether you're helping a customer find the perfect device, developing innovative technology, or supporting our teams behind the scenes, you're part of something bigger. We celebrate our differences, encourage fresh ideas, and believe that having fun at work actually makes us better at what we do. We're constantly pushing boundaries and challenging the status quo, because we think wireless should actually work for you, not against you.