HCA Houston Healthcare Mainland, a campus of HCA Houston Healthcare Clear Lake, has been serving Texas City, Texas for more than 60 years—bringing compassionate, “patients first” care into Galveston County and the surrounding communities. Additional options for dental and vision benefits, life and disability coverage, flexible spending accounts, supplemental health protection plans (accident, critical illness, hospital indemnity), auto and home insurance, identity theft protection, legal counseling, long-term care coverage, moving assistance, pet insurance and more.