Every new Colorado business filing, every dayMountain X
Mountain X (MountainEx LLC) is an excavation and grading contractor serving Colorado's Front Range mountain communities such as Evergreen, Idaho Springs, Conifer, and Nederland. The website emphasizes a service-oriented approach to land development.
Filed June 30, 2026 · Calhan, CO · El Paso County
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Colorado Secretary of State · Entity 20261806530 · Retrieved July 3, 2026
About Mountain X
MountainEx LLC filed in Colorado on June 30, 2026, and was first seen by DayOneLead three days later. The company is in the excavation and grading subcategory of construction and landscaping, with a principal address in Calhan. Its website, built with Wix, was live and matched the filing name and address. No annual report or EIN is on file yet. We estimate revenue under $100,000 and 1 to 5 employees, with a brick-and-mortar footprint.
- Filed in Colorado on June 30, 2026, and first seen three days later.
- Website built with Wix and confirmed to match the filing name and address.
- No annual report or EIN on file yet.
- We estimate revenue under $100,000 and 1 to 5 employees.
- Principal location is Calhan, Colorado.
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 23, 2026.
One of 18 new businesses registered in Calhan in June 2026, and the only construction & landscaping 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.
Frequently Asked Questions
When was Mountain X registered?
Mountain X was registered as LLC on June 30, 2026 in Colorado.
Where is Mountain X located?
Mountain X is based in Calhan, CO, 80808, in El Paso County.
What type of business is Mountain X?
Mountain X is classified as a construction & landscaping business (excavation and grading).
Does Mountain X have an EIN on file?
No EIN was found on file for Mountain X at the time of registration.
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