| Business | Phone |
| Doctor De-Burr 12906 Halldale Ave, Gardena 90249 | (310) 323-6900 |
| Superior Metal Finishing Inc 1733 W 134th St, Gardena 90249 | (310) 464-8010 |
| Roto-Finish 17810 S Western Ave, Gardena 90248 | (310) 327-4989 |
| N & N Specialist Deburring 17813 S Main St # 110, Gardena 90248 | (310) 323-9545 |
| A & B Deburring 1622 W 134th St, Gardena 90249 | (310) 352-4846 |