| Business | Phone |
| Galveston Beach Cleaning 2100 Seawall Blvd, Galveston 77550 | (409) 763-6564 |
| Galveston City Office 823 Rosenberg St, Galveston 77550 | (409) 797-3500 |
| Galveston City Refuse & Trash 5627 Harborside Dr, Galveston 77554 | (409) 741-4636 |
| Galveston Convention & Visitor 2106 Seawall Blvd, Galveston 77550 | (409) 763-4311 |
| Galveston Convention Center-Moody 1 Hope Blvd, Galveston 77554 | (409) 741-2166 |
| Galveston Garage Adm 502 32nd St, Galveston 77550 | (409) 766-2149 |
| Galveston Grants & Management 901 Rosenberg St, Galveston 77550 | (409) 766-2101 |
| Galveston Grants & Management 905 25th St, Galveston 77550 | (409) 766-2101 |
| Galveston Housing & Community 823 25th St, Galveston 77550 | (409) 766-2107 |
| Galveston Housing Development 905 25th St, Galveston 77550 | (409) 766-2187 |
| Galveston Mardi Gras Info 2102 Seawall Blvd, Galveston 77550 | (409) 762-8626 |
| Galveston Mardi Gras Info 2504 Church St, Galveston 77550 | (409) 762-8626 |
| Galveston Personnel 823 25th St, Galveston 77550 | (409) 766-2113 |
| Galveston Rabies Control 823 25th St # 306, Galveston 77550 | (409) 797-3613 |
| Galveston Risk Management 823 25th St, Galveston 77550 | (409) 766-3364 |
| Galveston Signal Repair 2801 Santa Fe Pl, Galveston 77550 | (409) 766-2110 |
| Galveston Treatment Plant 5200 Port Industrial Blvd, Galveston 77550 | (409) 741-4642 |
| Galveston Water Supply Dept 3002 Ball St, Galveston 77550 | (409) 766-2115 |
| Gcfwsd No 6 802 Tiki Dr, Galveston 77554 | (409) 935-1486 |
| Tiki Island Village Business 802 Tiki Dr, Galveston 77554 | (409) 935-1427 |