| Business | Phone |
| Arizona Microsystems 9040 S Rita Rd # 2250, Tucson 85747 | (520) 799-7325 |
| Arizonia Materials Lab 4715 E Fort Lowell Rd, Tucson 85712 | (520) 322-2960 |
| Da Vinci Research 6740 N Leonardo Da Vinci Way, Tucson 85704 | (520) 219-5888 |
| Destech Corp 1664 S Research Loop # 200, Tucson 85710 | (520) 290-2859 |
| George Snively Research Fndtn 3720 N Silver Dr, Tucson 85749 | (520) 760-0794 |
| Sion Power Corp 9040 S Rita Rd # 1500, Tucson 85747 | (520) 799-7500 |
| Prolx Pharmaceuticals 221 E 6th St, Tucson 85705 | (520) 622-5552 |
| Paloverde Scientific 120 S Houghton Rd, Tucson 85748 | (520) 733-7313 |
| Nanosyn 9062 S Rita Rd, Tucson 85747 | (520) 799-7621 |
| Materials & Electrochemical 7960 S Kolb Rd, Tucson 85706 | (520) 574-1980 |
| Interface Guru 177 N Church Ave, Tucson 85701 | (520) 744-6911 |