| Business | Phone |
| Addent Inc 43 Miry Brook Rd, Danbury 6810 | (203) 778-0200 |
| Westco Scientific Instruments 12 Precision Rd # 2, Danbury 6810 | (203) 743-0115 |
| Thermal Waste Technologies Inc 5 Corporate Dr, Danbury 6810 | (203) 778-2210 |
| Neurocommunication Research 9 Golden Heights Rd, Danbury 6811 | (203) 744-7488 |
| Kerr Corp 21 Commerce Dr, Danbury 6810 | (203) 748-0030 |