| Business | Phone |
| Worden & Shewell 730 Ridge Ave, York 17403 | (717) 846-8858 |
| York Mechanical Svc Inc 121 N Newberry St, York 17404 | (717) 849-1444 |
| Yorkaire Group 1877 Whiteford Rd, York 17402 | (717) 755-2836 |
| Southeastern Mechanical Svc 207 S Sumner St, York 17404 | (717) 848-3431 |
| Spangler & Boyer Mechanical 5175 Commerce Dr, York 17404 | (717) 792-8854 |
| Bortner Brothers Inc 160 Crossway Dr, York 17402 | (717) 741-4631 |
| Robert S Bortner Inc Mech Cntr 470 S Ogontz St, York 17403 | (717) 846-9525 |
| Brian Mechanical 140 Derry Ct, York 17402 | (717) 767-2443 |
| Conewago Mechanical Contr Llc 1 Marianne Dr, York 17402 | (717) 767-2059 |
| Millwrights & Mechanical Svc 2105 Alpha Dr, York 17404 | (717) 792-0918 |
| Kdk Inc 85 Willow Springs Cir, York 17402 | (717) 764-5114 |