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DOT 2174589 is operated by CORNERSTONE HEATING & AIR CONDITIONING INC out of Thurmont, MD. This profile shows verified operating authority, current insurance, observed equipment, and recent inspection activity joined into one card so brokers can verify the carrier in one tab.
Save CORNERSTONE HEATING & AIR CONDITIONING INC to your history
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Operating authority is verified against the live public registry and refreshed daily. Current status: unknown. "active" means the carrier is authorized to operate; "inactive" or "out-of-service" indicates the carrier should not be hauling.
Liability and cargo insurance status is drawn from the latest filings on record. Current status: unknown. We mark a carrier "lapsed" when the most recent cancellation date is in the past with no superseding policy.
CORNERSTONE HEATING & AIR CONDITIONING INC was last inspected on 2026-06-25. We've recorded 2 inspections in the trailing 12 months.
CORNERSTONE HEATING & AIR CONDITIONING INC does not have an MC number on file. Some carriers operate intrastate-only or under a private-carrier exemption and never apply for one.
Equipment, lane footprint, insurance timeline, and fraud signals on one screen.
Consider with verification — at least one signal needs review.
power units (MCS-150)
distinct VINs in inspections
2 inspections, 12mo
most recent roadside record
Not enough reports yet
0 of 3 brokers needed before rates unlock
Rates stay locked below 3 contributing brokers so no single broker’s loads can be picked out of the aggregate.
Not enough broker-reported loads yet — this score unlocks as brokers report load outcomes. Aggregates appear once 3+ brokerages have reported on this carrier (0 loads from 0 brokerages so far).
Aggregate rating unlocks at 3 reviewing workspaces — 0 so far. Individual reviews appear below as they're published.
No published reviews yet. Worked with this carrier? Your review starts the record.
Not enough claim reports yet
0 of 3 brokers needed before claims history unlocks
Claims stay locked below 3 contributing brokers so no single broker's claims can be picked out of the aggregate.
No community reports for this carrier. Had a fraud or cargo-theft incident? Your report warns the whole network within minutes.
Community reports are submitted by broker workspaces and are NOT verified by KnowHaul. New reporters are human-moderated; 3+ corroborating workspaces feed a capped penalty into the fraud risk score. Named in a report that's wrong? Email admin@knowhaul.com and a human will review it.
Rows marked “Computed” are our estimate from local roadside-inspection history; FMCSA hasn't published a measure for this carrier yet (see #1000).
Crash Indicator and Hazmat Compliance percentiles aren't published in the public SMS downloads today (see #832).
Current reported fleet · as of Sep 2012. A trend line appears once a second filing is on record.
Matched on equipment mix, fleet-size band, and home state.
No active fraud-risk signals contribute to this score.
No equipment signal — request a COI before tender.