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Coleman Drilling and Blasting, headquartered in Griswold, says it has provided drilling services for utility, telecommunications and private customers in the Northeast since 1988, and names Northeast Utilities, Central Hudson Gas and Electric, AT&T and United Illuminating among the customers it serves. The company's site cites 38 years in business, free estimates and insurance. Its Google rating is 3.7 stars from three ratings. In an October 2024 Google review, a customer writing for a company 2.5 hours away called the whole crew professional and prompt and wrote that “they’re always there either on time or early”.
The whole crew at Coleman are very professional and prompt, our company is 2.5 hours away and they’re always there either on time or early. Keep up the good work guys.
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1 change recorded — last scanned Oct 30, 2026.
