| Business | Phone |
| Artel Engineering Group 14 Royal Rd, Danbury 6811 | (203) 730-1913 |
| Consultants & Engineers Inc 9 Harmony St, Danbury 6810 | (203) 748-1442 |
| R J Gallagher Jr & Assoc 39 Mill Plain Rd # 2, Danbury 6811 | (203) 798-9640 |
| Benjamin V Doto Iii Pe 131 Deer Hill Ave, Danbury 6810 | (203) 743-3424 |
| New England Land Surveying 118 Coalpit Hill Rd, Danbury 6810 | (203) 790-5597 |
| Michael J Mazzucco Pe 19a Taagan Point Rd, Danbury 6811 | (203) 744-0057 |