| Business | Phone |
| Water Energy & Ecology Info 110 Bayberry Ln, Barnstable 2630 | (508) 362-9599 |
| A M Wilson Assoc Inc 3261 Main St, Barnstable 2630 | (508) 420-9792 |
| Silent Spring Institute Inc 32 Acre Hill Rd, Barnstable 2630 | (508) 778-1942 |
| National Environmental Network 383 Commerce Rd, Barnstable 2630 | (508) 362-4467 |
| Meyer Environmental Barnstable 2630 | (508) 362-2922 |