| Business | Phone |
| Henkel Corp Plano 75074 | (972) 578-3800 |
| Pace Marketing Corp 6913 Avenue K, Plano 75074 | (972) 633-2226 |
| Memc Electronic Materials 1255 W 15th, Plano 75074 | (972) 424-0117 |
| Watkins Products 3301 Lemmontree Ln, Plano 75074 | (972) 423-5776 |
| Degussa Corp 4965 Preston Park Blvd, Plano 75093 | (972) 985-4064 |