List of companies in Houston

In addition to the Fortune 500 companies above, many other companies in multiple fields are headquartered or have based their US headquarters in Houston.

• Al's Formal Wear
• Allis-Chalmers Energy
• Allpoint
• American Bureau of Shipping
• American National Insurance Company (Galveston)
• Aon Hewitt
• Archimage
• Avelo Airlines
• Axiom Space
• Baker Botts
• Bill.com
• BMC Software
• Boardwalk Pipeline Partners
• Bracewell LLP
• Bristow Group
• Buc-Ee's (Pearland, Texas)
• Cadence Bank
• Cal Dive International
• CAMAC Energy
• Camden Property Trust
• Cardtronics
• Charming Charlie
• Chord Energy
• Citgo
• Civeo Corporation
• Comfort Systems USA
• Cooper Industries
• cPanel
• Cybersoft
• Diamond Offshore Drilling
• Direct Energy
• DHI Telecom Group
• Dynegy
• EagleRock Land
• Enbridge
• EnergyFunders
• Family Tree DNA
• Fertitta Entertainment
• Fiesta Mart
• FlightAware
• Forum Energy Technologies
• Freeport-McMoRan Oil & Gas
• Fuddruckers
• Fulbright & Jaworski (now Norton Rose Fulbright US LLP)
• Geokinetics
• Gexa Energy
• Great Lakes Dredge & Dock Co
• Gulf South Pipeline
• Gulf States Toyota Distributors
• HCC Insurance Holdings
• Helix Energy Solutions Group
• Hines Interests Limited Partnership
• Honeywell
• HostGator
• Howard Hughes Corporation
• Insperity
• Integrated Electrical Services
• ION Geophysical
• James Coney Island
• Jiffy Lube
• Jim Adler
• Joe's Crab Shack
• KBR, Inc.
• Kelsey-Seybold Clinic
• Key Energy Services
• Kinder Morgan Energy Partners
• Kirby Corporation
• Landry's Restaurants
• LivaNova
• Luby's
• Lukoil U.S.
• LyondellBasell US headquarters
• Mac Haik#Mac Haik Enterprises Mac Haik Enterprises
• Marathon Oil
• Marble Slab Creamery
• Mattress Firm
• McDermott International
• Memorial Hermann Healthcare System
• The Methodist Hospital
• MetroCorp Bancshares
• Mexican Restaurants, Inc.
• Microvast
• Motiva Enterprises
• Murphy Oil
• Nabors Industries
• Nalco Champion
• National Tire and Battery
• Nutex Health
• Oceaneering International
• Omega Protein
• OpenStax
• Pappas Restaurants
• Par Pacific Holdings
• Patterson-UTI
• Piping Technology and Products
• Powell Industries
• PROS
• Randall's Food Markets
• Rainforest Cafe
• RedTube
• Rice Epicurean Markets
• St. Luke's Episcopal Hospital
• Saltgrass Steakhouse
• Salata Salad Kitchen
• Seaboard International
• Service Corporation International
• Shipley Do-Nuts
• SnapStream
• Southwestern National Bank
• Spec's Wine, Spirits & Finer Foods
• Stage Stores Inc.
• Stewart & Stevenson
• Stewart Information Services Corporation
• Tailored Brands
• Talos Energy
• Tellurian
• Texas Children's Hospital
• Transwestern
• Travel Wifi
• Two Pesos
• Valaris Limited
• Valencia Group
• Vinson & Elkins
• Weatherford International
• Weed Eater
• WidgetCo, Inc.
• Willbros Group
• Woodforest National Bank
• 3DI - Data Driven Development Initiative

• Air Liquide
• Banorte
• BHP
• BP
• CEMEX
• Daikin
• EDP Renewables
• Engie
• Equinor
• Fugro
• JX Nippon Oil & Energy
• Mahindra Group
• Mitsubishi Heavy Industries
• PDVSA
• Petrobras
• Rigaku
• Sabic
• Sasol
• Schlumberger
• Shell plc
• SK Innovation
• TC Energy
• TechnipFMC
• Tokio Marine
• TotalEnergies
• Transocean
• Wood Group
• Worley
• Yokogawa Electric

• AIG
• Amazon
• Aon
• Collins Aerospace
• Deloitte
• ExxonMobil
• Honeywell
• HP Inc.
• Jacobs Engineering Group
• JPMorgan Chase
• Minute Maid
• Stellantis
• United Airlines Holdings
• Wells Fargo

• Houston Book of Lists. American City Business Journals.