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Employers  

Galveston County boasts a growing employer base with the who’s who of downstream energy and chemical companies including Marathon, Valero, and Eastman to biotech and healthcare companies like Castle Biosciences, UTMB and the Galveston National Laboratory. 

Below is a list of the Top 25 employers in the County by employment range:

Employer

Description

NAICS

Employee Range

City

UTMB

Health Care

62

11,000 - 15000

Galveston, League City

Galveston Island Convention

Convention and Meeting Facilities

56

1,000-4,999

Galveston, League City

Landry's

Restaurants and Entertainment

44

1,000-4,999

Galveston, Kemah

Marathon Petroleum 

Crude Oil Refinery

32

1,000-4,999

Texas City

Galveston County

Local Government

94

1,000-4,999

Galveston, League City

Wal Mart

Department Stores

45

1,000-4,999

Multiple

Galveston ISD

Education

61

1,000-4,999

Galveston

City of League City

Local Government

92

1,000-4,999

League City

Clear Creek ISD

Education 

61

1,000-4,999

League City

Schlitterbahn

Amusement Parks

71

1,000-4,999

Galveston

Ineos

Chemicals-Manufacturing

32

500-999

Texas City, League City

Eastman Chemical Co

Chemicals-Manufacturing

32

500-999

Texas City

HCA Houston Healthcare Mainland

Hospitals 

62

500-999

Texas City

  American National Insurance Co.

Insurance Headquarters

52

500-999   Galveston, League City

City of Galveston

Local Government

92

500-999

Galveston

City of Texas City

Local Government

92

500-999

Texas City

Castle Biosciences

Life Sciences

54

250-499

Friendswood

Carol Young Medical Facility

Government Offices-State

32

250-499

Dickinson

Valero Texas Refinery

Crude Oil Refinery

32

250-499

Texas City

Gulf Copper Dry Dock & Repair

Marine Equipment & Supplies-Repairing

44

250-499

Galveston

US Army Corps of Engineers

Government Offices-Federal

92

250-499

Galveston

US Coast Guard

Federal Government-National Security

92

250-499

Galveston

Moody Gardens

Hotels & Motels

72

250-499

Galveston

Texas City ISD

Education

61

250-499

Texas City

Gulf Coast Center

Mental Health Care

62

250-499

Galveston

Source:  Texas LMI, Data Axle 2024