| Business | Phone |
| Bethel Christian Academy 614 Mount Pleasant St, Pittsburg 75686 | (903) 856-6777 |
| Camp Central Appraisal Dist 143 Quitman St, Pittsburg 75686 | (903) 856-6538 |
| Communities In Schools 300 N Texas St, Pittsburg 75686 | (903) 856-7961 |
| Pittsburg Elementary School 209 Lafayette St, Pittsburg 75686 | (903) 856-6472 |
| Pittsburg High School 300 N Texas St, Pittsburg 75686 | (903) 856-3646 |
| Pittsburg Independent Schools 402 Broach St, Pittsburg 75686 | (903) 856-3628 |
| Pittsburg Intermediate School 110 Fulton St, Pittsburg 75686 | (903) 855-3395 |
| Pittsburg Middle School 313 Broach St, Pittsburg 75686 | (903) 856-6432 |
| Pittsburg Primary School 405 Broach St, Pittsburg 75686 | (903) 856-6482 |
| Pittsburg School District Adm 306 Texas St, Pittsburg 75686 | (903) 855-3304 |
| Nevada Community Schools Pittsburg 75686 | (903) 853-2474 |
| Nevada Elementary School Pittsburg 75686 | (903) 853-3833 |
| Nevada High School Pittsburg 75686 | (903) 853-2192 |
| Nevada Middle School Pittsburg 75686 | (903) 853-2141 |
| Freight Movers 1000 Quitman St, Pittsburg 75686 | (903) 855-0605 |