| Business | Phone |
| Combine.Net 15 27th St, Pittsburgh 15222 | (412) 535-6000 |
| Lighthouse Interactive 444 Liberty Ave, Pittsburgh 15222 | (412) 995-9600 |
| Managerie 643 Liberty Ave, Pittsburgh 15222 | (412) 325-7070 |
| Pa.Net 650 Smithfield St, Pittsburgh 15222 | (412) 697-0990 |
| Pittsburgh SEO by Branding Brand 3710 Forbes Ave 2nd Floor, Pittsburgh 15213 | (412) 567-4903 |