The top 6 Industries in Houston are Energy, Aerospace & Aviation, Healthcare & Biotechnology, Information Technology, Manufacturing, and Professional & Business Services. Houston ranks as one of the most diversified and economically influential cities in the United States. With a real gross domestic product (GDP) that has cleared the three-quarters of a trillion mark at $758.3 billion, Houston stands 6th among U.S. metropolitan areas, recently surpassing Washington, D.C. As a premier global gateway, Houston’s economy thrives across multiple industries, including energy, aerospace, healthcare, manufacturing, and technology.
Beyond its impressive GDP standing, Houston’s labor market continues to mature. According to the Federal Reserve Bank of Dallas, following an explosive growth cycle where the region added a baseline of 53,701 jobs (a 1.6% growth rate), the local economy has stabilized into a sustainable pace on its trajectory toward 3.5 million total jobs. The city also benefits from world-class infrastructure, a strategic location for global trade, and a highly skilled workforce that supports innovation across both traditional and emerging industries. This ongoing evolution underscores Houston’s economic resilience and its role as a major hub for business innovation, entrepreneurship, and skilled employment.
The top 6 industries in Houston are:
- Energy
- Aeropsace & Aviation
- Healthcare and Biotechnology
- Information and Technology
- Manufacuring
- Professional and Business Services
1. Energy
Houston stands as the world capital of the oil and gas industry, anchoring one of the most diversified and skilled workforces in the United States. According to the Greater Houston Partnership, energy remains a cornerstone of Houston’s economy, with oil and refined petroleum products accounting for 52.1% of the city’s total trade value. Among the sector’s giants, ExxonMobil (headquartered just north of the city in Spring, Texas) drives significant momentum, generating $323.90 billion in revenue, securing $28.84 billion in profits, and maintaining a market value of roughly $620 billion. With 58,000 regular employees worldwide, ExxonMobil’s robust upstream, downstream, and chemical operations continue to drive Houston’s prominence in global energy markets.
Local energy heavyweights like Occidental Petroleum, ConocoPhillips, and Cheniere Energy directly reinforce this infrastructure, driving the oil, gas, and liquefied natural gas export pipelines. Together with specialized technology partners and engineering firms investing in carbon capture, hydrogen infrastructure, and energy modernization, these operators strengthen Houston’s position as a global hub for sustainable energy innovation, job growth, and economic development.
2. Aerospace & Aviation
Houston’s aerospace and aviation sector generates $4.7 billion annually (source: Capital Analytics) and supports over 500 space-related companies. Leading the charge is Axiom Space, a private space travel pioneer that has raised more than $525 million in total funding and employs nearly 1,000 workers. Axiom is actively developing the world’s first commercial space station, signaling Houston’s strategic future in orbital innovation. Meanwhile, Intuitive Machines contributes heavily to lunar exploration. With annual revenues reaching $334 million and a market valuation surpassing $5 billion, the company continues to secure major lunar delivery contracts, injecting high-tech opportunities directly into the regional economy.
Global giants like Collins Aerospace, a vital segment of RTX Corporation, which boasts $88.6 billion in annual sales, maintain massive operational footprints within this ecosystem. They are joined by industry leaders such as Boeing, Lockheed Martin, Northrop Grumman, and Oceaneering International. Supported by George Bush Intercontinental Airport and William P. Hobby Airport, this sector creates thousands of skilled jobs and reinforces Houston’s status as a leader in aerospace innovation.
3. Healthcare and Biotechnology
With over 400,400 professionals and more than 1,100 biotech companies, Houston’s healthcare and life sciences industries are a cornerstone of the regional workforce. The Texas Medical Center anchors this ecosystem as the world’s largest medical complex, encompassing over 60 member institutions, supporting a massive workforce exceeding 120,000 employees, and generating an annual GDP of $22 billion. Houston Methodist complements this regional strength by generating $8.1 billion in net patient revenue, managing $10.0 billion in liquidity, and executing cutting-edge clinical research alongside advanced patient care across a sprawling multi-campus footprint.
Emerging biotech firms like Marker Therapeutics contribute heavily to Houston’s immunotherapy pipeline, advancing its lead T cell therapy through clinical trials with annual research and development investments reaching $11.8 million. Other dynamic firms like Avance Biosciences, Celltex Therapeutics, and Moleculin Biotech drive critical advancements into gene therapy, regenerative medicine, and oncology treatments. Benefiting from capital investments, Houston’s healthcare and biotech industries sustain high-quality employment, spur medical breakthroughs, and enhance global health outcomes.
4. Information and Technology
More than 241,100 professionals work in Houston’s technology industry, making it one of the region’s key economic drivers and accounting for about 7.1% of local employment. According to CompTIA industry data, this rapidly expanding ecosystem generates $22.4 billion in annual direct economic impact. Hewlett Packard Enterprise anchors this landscape from its Spring headquarters, leveraging enterprise artificial intelligence infrastructure and secure edge-to-cloud platforms to generate a massive $38.8 billion in annualized revenue (source: WallStreetZen NYSE, Hewlett Packard Enterprise Co Revenue). Meanwhile, BMC Software continues its steady expansion under KKR ownership, driving $2.5 billion in annualized sales through cloud native automation software and its widely deployed Helix platform.
Industrial software pioneer AspenTech, heavily integrated under the corporate umbrella of Emerson, stabilizes the sector with an $11.3 billion market capitalization by delivering critical asset optimization tools to Houston’s dominant manufacturing corridors. Alongside leaders like Avantor and HostGator, these companies create thousands of high-paying tech jobs and help position Houston as a hub for innovation, cybersecurity, cloud computing, and digital transformation.
5. Manufacturing
Houston’s manufacturing industry is a dominant national powerhouse, contributing 16.7% to the region’s total GDP ( source: Greater Houston Partnership) and generating a staggering $126.9 billion in annual output. This performance establishes Houston as the number one metropolitan area in the United States for total manufacturing volume. The sector employs over 239,600 people and covers diverse fields such as energy equipment, chemicals, construction materials, and consumer goods, reinforcing Houston’s role as a highly diversified industrial hub.
NOV Inc., a major provider of oilfield services and equipment, generated $8.74 billion in annual revenue and is supported by a global workforce of over 31,000 employees. NOV’s deep engineering footprint anchors Houston’s energy equipment manufacturing sector. Huntsman Corporation, specializing in chemical manufacturing, generated $5.68 billion in annual revenue and operates with a global workforce of approximately 6,000 employees. LyondellBasell Industries, a global leader in polymers and chemicals headquartered in Houston, recorded $30.15 billion in revenue, employs approximately 19,000 people worldwide, and consistently directs capital toward advanced plastics recycling and chemical innovation.
6. Professional and Business Services
Employing approximately 572,700 people (source: U.S. Bureau of Labor Statistics), the professional and business services sector is one of Houston’s largest industries and a key driver of the regional economy. This sector encompasses high-skill technical and administrative fields, including engineering, legal services, management consulting, and architectural design, that provide the essential backbone for Houston’s dominant energy, aerospace, and industrial sectors.
The sector’s economic strength is anchored by several major Houston-headquartered enterprises that provide global specialized services. Quanta Services, a leader in utility infrastructure engineering, reports over $28 billion in annual revenue with a global workforce of approximately 58,400. KBR contributes significantly to the sector, with a trailing annual revenue projected between $7.9 billion and $8.4 billion for 2026. Additionally, Houston-based Insperity provides human resources and administrative infrastructure for businesses nationwide, while Crown Castle maintains its position as a vital communications infrastructure and real estate investment firm. These organizations, alongside thousands of specialized consulting practices, drive high-wage job growth and ensure regional economic stability.
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A trusted managed service provider in Houston delivers comprehensive solutions, including IT support, cybersecurity, cloud management, and disaster recovery. The company also serves businesses in Dallas and Fort Worth with customized technology strategies designed to meet their unique needs. By partnering with Cloudavize, organizations throughout Texas can strengthen their IT infrastructure, reduce operational risks, and focus on innovation, efficiency, and sustainable business growth.
