Every new Connecticut business filing, every dayCornerstone Energy Services
Dvir Nissan, Principal
Cornerstone Energy Services, Inc. is an energy infrastructure company based in Worcester, MA, as indicated by its website address at 446 Main Street. The business describes itself as a trusted partner in energy infrastructure, and its phone numbers include area codes for Massachusetts and Connecticut, suggesting regional operations. The LLC filing lists a principal address in Milford, CT, which may be a secondary location or registered agent address.
Filed January 13, 2026 · Milford, CT · New Haven County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3356504 · Retrieved July 27, 2026
About Cornerstone Energy Services
CornerStone Energy LLC filed in Connecticut on January 13, 2026, as an energy infrastructure company. Its domain was registered 5,024 days before filing, on April 12, 2012, through Bluehost. The company was first seen by DayOneLead 195 days after filing. It shares its principal address with two other entities. No annual report or EIN on file yet. We estimate revenue between $10 million and $50 million and 100 or more employees. The website is modern and the business has a hybrid footprint.
- Domain registered 5,024 days before filing, on April 12, 2012.
- Filed in Connecticut on January 13, 2026.
- First seen 195 days after filing.
- Shares its principal address with two other entities.
- No annual report or EIN on file yet.
- We estimate revenue of $10M-$50M and 100+ employees.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 24, 2026.
One of 77 new businesses registered in Milford in January 2026, and the only energy services business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Officers / Authorized Persons
Frequently Asked Questions
When was Cornerstone Energy Services registered?
Cornerstone Energy Services was registered as LLC on January 13, 2026 in Connecticut.
Where is Cornerstone Energy Services located?
Cornerstone Energy Services is based in Milford, CT, 06460-2578, in New Haven County.
What type of business is Cornerstone Energy Services?
Cornerstone Energy Services is classified as a energy services business (energy infrastructure).
Does Cornerstone Energy Services have an EIN on file?
No EIN was found on file for Cornerstone Energy Services at the time of registration.
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