DouxProcess Directory

Ask Hartwig Mechanical LLC

you asked:

Hartwig Mechanical LLC

Hartwig Mechanical LLC is a heating and air conditioning in Harvard, IL. Its USDOT registration 2531631 is active on the issuer's file, checked Nov 1, 2026.

Record check

Hartwig Mechanical LLC

Heating and air conditioning · Harvard, IL

Built from public records

USDOT registration 2531631Activechecked Nov 1, 2026

  • ClassPrivate motor carrier
  • WhereHarvard, IL · serves Illinois
Proof → FMCSA record

Hartwig Mechanical LLC has not claimed its listing, so it takes no requests here yet. Contact them directly.

Listing details

What the issuer's record says

Status
USDOT registration active
USDOT registration
US-DOT 2531631
Classes
  • Private motor carrier
Checked
Nov 1, 2026, against the FMCSA active motor carriers
Open the issuer's record

The business

What they do
Heating and air conditioning
Where
Harvard, IL
Serves
Illinois
Phone
(815) 943-4430
Listing updated
Oct 24, 2026
Listing
Built from public records. Not claimed yet.

From the government record

  • Licensed Not in the record USDOT registration 2531631 is active; it is a registration, not a license.

    Checked Nov 1, 2026 from the FMCSA Company Census File · view record

  • Bonded Not in the record FMCSA has no broker bond or trust filing for this DOT number (only brokers and freight forwarders must file one).

    Checked Nov 1, 2026 from the FMCSA insurance filings · view record

  • Insured Not in the record FMCSA has no liability insurance filing for this DOT number. Carriers that do not haul for hire across state lines are not required to file one.

    Checked Nov 1, 2026 from the FMCSA insurance filings · view record

More heating and air conditioning in Harvard

  1. Harms Refrigeration LLC

    ActivePrivate motor carrier

    Wonder Lake, IL · 13 mi away

    Proof for Harms Refrigeration LLC
    USDOT registration
    FMCSA 6608679
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Wonder Lake, IL · serves Illinois
    Phone
    (815) 999-9400
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  2. Tda Mechanical Services Inc

    ActivePrivate motor carrier

    Marengo, IL · 13 mi away

    Proof for Tda Mechanical Services Inc
    USDOT registration
    FMCSA 4840233
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Marengo, IL · serves Illinois
    Phone
    (847) 529-7726
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  3. Air First Mechanical

    Heating and air conditioning

    Woodstock, IL · 11 mi away

    Proof for Air First Mechanical
    Where
    Woodstock, IL · serves Illinois
    Phone
    (815) 568-0628
    Listing
    Built from public records. Not claimed yet, so call them directly.
  4. Air Force One Heating and Cooling

    Heating and air conditioning

    Marengo, IL · 13 mi away

    Proof for Air Force One Heating and Cooling
    Where
    Marengo, IL · serves Illinois
    Phone
    (815) 568-9400
    Listing
    Built from public records. Not claimed yet, so call them directly.
  5. Arctic Heating & Cooling

    Heating and air conditioning

    Marengo, IL · 13 mi away

    Proof for Arctic Heating & Cooling
    Where
    Marengo, IL · serves Illinois
    Phone
    (815) 568-7686
    Listing
    Built from public records. Not claimed yet, so call them directly.
All heating and air conditioning in Harvard, IL →

Run this business? Claim it free and get a free AI front desk.Claim this listing

Listing updated Oct 24, 2026. Hide an address, correct or remove this listing.

Ask Hartwig Mechanical LLC's front desk
Asking Hartwig Mechanical LLC✕

Checked facts from public license files · Answers may be worded by Claude, an AI model from Anthropic; it never decides facts or order · How ranking works