| Business | Phone |
| Air Tex 443 Houston St, Portland 78374 | (361) 643-1502 |
| Base Line Data 206 Lang Rd, Portland 78374 | (361) 643-3400 |
| City Of Portland 1101 Moore Ave, Portland 78374 | (361) 777-0634 |
| Dossett Martin & Justin 2206 Aspen Dr, Portland 78374 | (361) 643-5566 |
| First City Texas 801 E Hwy 361 Ingleside, Portland 78374 | (361) 643-8747 |
| Goltron 2404 Park Wood Dr, Portland 78374 | (361) 739-6939 |
| Hoverson Interests Inc 608 W Broadway St, Portland 78374 | (361) 643-5825 |
| In Step Intl 909 Market St, Portland 78374 | (361) 643-4798 |
| United Cerebral Palsy Of Texas 104 Hawthorne Pl, Portland 78374 | (361) 643-2736 |
| Wic Project 51 107 Church St, Portland 78374 | (361) 643-8205 |
| San Patricio Mun Water Dist 4213 Hwy 361, Portland 78374 | (361) 643-6521 |
| Sas 206 Lang Rd, Portland 78374 | (361) 643-4637 |
| Nets International Inc Portland, Portland 78374 | (361) 643-8001 |
| Pavilions 301 Northshore Blvd, Portland 78374 | (361) 643-2500 |
| Oxy Usa Inc Hwy 361, Portland 78374 | (361) 643-1480 |
| Kcta 1030 Am Studios Highway 35, Portland 78374 | (361) 643-3541 |