| Business | Phone |
| Krypton Consulting Inc 35463 Dumbarton Ct, Newark 94560 | (510) 793-1111 |
| Prolific Inc 39899 Balentine Dr # 380, Newark 94560 | (510) 252-0490 |
| Aerio Software Inc 37600 Central Ct, Newark 94560 | (510) 795-7088 |
| Software Etc 2045 Newpark Mall, Newark 94560 | (510) 794-9033 |