| Business | Phone |
| M C Software 1886 Grant Rd, Arden Hills 55112 | (651) 636-6446 |
| Parametric Technology Corp 1200 County Road E W, Arden Hills 55112 | (651) 765-2100 |
| Parametric Technology Corp 1210 County Road E W, Arden Hills 55112 | (651) 494-3000 |
| Synopsys Inc 8 Pine Tree Dr, Arden Hills 55112 | (651) 482-1075 |