452 local service businesses in East Haven in our database, refreshed October 2026.
35% publish an email address — 160 you can reach by cold email.
166 have no website listed and 452 have no Google rating yet.
0% of rated businesses hold 4.5★ or better.
Area codes
(203)427
(475)12
(860)4
(888)2
(877)2
(914)1
A few East Haven businesses
Giving CollaborativeMarketing Agencies
Jennifer's Ice CreamCafes & Bakeries
Star DentalDental
Clear Channel TelecommunicationsConsulting
Carl P. Prota, DMD Family DentistryDental
Guaranteed Home ImprovementConstruction
A.M.T. Services LLCConstruction
Cohen & AcamporaLegal
Reaching out in the USB2B cold email is governed by CAN-SPAM: honest headers and subject lines, a physical address and an opt-out you honor. Phone outreach has its own rules, especially for cell phones. Read our CAN-SPAM guide and cold-calling rules before you start.