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Carrier profile · USDOT 359973 · Data as of Oct 7, 2026

Rainbow Insulators Inc

Middleton, WI · Intrastate (Non-Hazmat) carrier · Since 1989
No MC authorityNot rated by FMCSANo hazmat
Cargo carriedBuilding MaterialsConstructionInsulation,equp,tool
View on FMCSA SAFERCall (608) 836-1302
12
Power units
12
Drivers
0
Inspections · 24 mo
0
Crashes · 24 mo
300K
Annual miles
37 yr
Registered
100
/ 100
Clear to load

Operating legally with a clean record

No problems found in FMCSA authority, insurance, inspection or crash data.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates20/20
Crashes & rating20/20
Continuity & identity20/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026

No roadside inspections or reportable crashes in the last 24 months, and not rated by FMCSA.

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

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Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026

No operating authority (MC/FF docket) on file. Private and intrastate carriers don't need one; interstate for-hire carriers and brokers do.

Equipment

SELF-REPORTED ON MCS-150
12
Power units
8
Trucks
—
Tractors owned
—
Trailers owned
12
Drivers
0
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
Intrastate (Non-Hazmat)Private Property
Cargo carried
Building MaterialsConstructionInsulation,equp,tool
Annual mileage
300,000 mi (2024)

Identity & federal record

FMCSA census · MCS-150
USDOT
359973
MC / docket
None
Legal name
Rainbow Insulators Inc
DBA
—
Entity type
Carrier
Operation
Intrastate (Non-Hazmat)
First registered
Jul 12, 1989
Last MCS-150
Mar 26, 2025
Safety rating
Not rated
Drivers (CDL)
12 (0)
Hazmat
No
Business type
Corporation

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Unique phone number
Not shared with any other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.

Frequently asked

What is Rainbow Insulators Inc's USDOT number?

Rainbow Insulators Inc's USDOT number is 359973.

Is Rainbow Insulators Inc authorized to operate?

It does not hold MC operating authority, which private and intrastate carriers do not need.

What is Rainbow Insulators Inc's safety record?

No roadside inspections or reportable crashes in the last 24 months. Not rated by FMCSA.

How big is Rainbow Insulators Inc's fleet?

12 power units and 12 drivers per its MCS-150 filed Mar 26, 2025.

Where is Rainbow Insulators Inc located?

Rainbow Insulators Inc is located at 6223 Middleton Springs Dr, Middleton, WI, 53562-2227. Phone: (608) 836-1302.

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Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.