| Business | Phone |
| Aria Worldwide Inc 381 Post Rd, Darien 6820 | (203) 655-7995 |
| Darien Technology Foundation 5 Brook St, Darien 6820 | (203) 655-5099 |
| Mr Computerhead 15 Rocaton Rd, Darien 6820 | (203) 655-0233 |
| Miles 33 Intl 3 Parklands Dr, Darien 6820 | (203) 656-1800 |