| Business | Phone |
| E & Acnc Machining 6000 N Sam Houston Pkwy E 612, Humble 77396 | (281) 441-4002 |
| Franklin Machine & Gear Corp 5903 Frost St, Humble 77396 | (281) 441-3177 |
| H & H Machine Shop 13513 Smith Rd, Humble 77396 | (281) 441-2025 |
| Humble Machine Works Inc 134 Wilson Rd, Humble 77338 | (281) 446-3057 |
| H & H Machine Shop 2818 N Houston Ave, Humble 77338 | (832) 445-0300 |
| Sterling Machine & Fab Inc 640 N Houston Ave, Humble 77338 | (281) 446-9015 |
| T & L Maintenance Co 19719 Sweetgum Forest Dr, Humble 77346 | (281) 852-3555 |
| G M Quality Machine 5940 N Belt Pkwy E, Humble 77396 | (281) 441-1402 |
| H & W Machine 13513 Smith Rd, Humble 77396 | (281) 441-8772 |
| Out Source Machine Co 5831 Martha Ln, Humble 77396 | (281) 441-3133 |
| R D Machine Inc 2235 Atascocita Rd, Humble 77396 | (281) 446-7028 |
| Teq Instruments Corp 6425 Storey Dr, Humble 77396 | (281) 441-3737 |
| United Machining Svc Humble 77396 | (281) 441-1155 |
| V & W Machine 4421 Theiss Rd, Humble 77338 | (281) 209-3908 |
| R B Machine Works Inc 2407 Wilson Rd, Humble 77396 | (281) 446-1414 |