| Business | Phone |
| A Hattersley & Sons Inc 3939 Mobile Ave, Fort Wayne 46805 | (260) 483-6473 |
| Dilling Mechanical Contractors 3811 Fourier Dr, Fort Wayne 46818 | (260) 489-3453 |
| G & K Mechanical Svc Inc 4939 Decatur Rd, Fort Wayne 46806 | (260) 744-3314 |
| Industrial Piping & Engnrng 2215 Meyer Rd, Fort Wayne 46803 | (260) 422-8402 |
| Zink Mechanical 3718 Lake Ave, Fort Wayne 46805 | (260) 427-9190 |
| Superior Enterprises Inc 3835 Superior Ridge Dr # B, Fort Wayne 46808 | (260) 471-0678 |
| Summit Mechanical Svc Inc 2635 Meyer Rd, Fort Wayne 46803 | (260) 422-5936 |
| Pranger Mechanical Inc 521 Ley Rd, Fort Wayne 46825 | (260) 482-3107 |
| Project Design & Piping Inc 3615 Transportation Dr, Fort Wayne 46818 | (260) 489-7012 |
| Mc Devitt Mechanical Llc 9321 Saint Joe Center Rd, Fort Wayne 46835 | (260) 485-3055 |