Fleet typeIdentity
Asset-based
41 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 524112 · MC-859639
SOLAR INDUSTRIES INC
DBA THE WINDOW DEPOT AND SOLAR INDUSTRIES INC
41 power unitsavg 4.2 yrLocal · 1 statesTUCSON, AZ
CARRIER ACTIVEMC-859639 ACTIVERATED SATISFACTORY
Observed fleet · trailing 24 mo daily
41Power units
20 observed · MCS-150
—Trailers seen
None observed · 24 mo
4.2Avg age (yr)
2016–2024 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-30
Clear to load
Active authority and a clean federal record. No blocking issues found.
Active operating authorityInsurance on file
Watch · 0
Nothing flagged.
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 33 yearsOperating authority has been on file since 1993.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 71 inspections.
Operating authority3333 yr active
since 1993Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo12.812.8 %
▼ 22.26% nat'lCrashes · fatal00
clean 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersNewer
4.2 yr
Model years 2016–2024 · peer benchmark computing.
Identity stabilityStable
33 yr unchanged
Same registration since 1993 — no chameleon / reincarnation signal.
AI readFull read
Is SOLAR INDUSTRIES INC safe to work with?
Is SOLAR INDUSTRIES INC safe to load? SOLAR INDUSTRIES INC (USDOT 524112, MC-859639) is an active asset-based motor carrier based in TUCSON, AZ, operating 41 power units and 41 drivers. Operating authority has been active 33 years (past the 24-month broker-confidence threshold). Across 71 roadside inspections, its vehicle out-of-service rate is 12.8% (below the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA rates it Satisfactory. Vektor rates it clear to load (100/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-30.
FMCSA fields + Vektor analysis · updated 2026-06-30
SISOLAR INDUSTRIES INC 100
01
Safety
71 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 12.8% (24-mo)39 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 3.9% (24-mo)52 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
18.2% now▼ Improving
Inspection coverage· expected vs observed · the fraud signal
Inspection coverage
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.6 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 41-unit fleet — enough signal to read the safety record, though not a heavy sample.
- Registered power units
- 41
- Inspections · 24 mo
- 52
- Annualized
- ≈26 / yr
- Coverage
- ≈0.6 inspections / unit · yr
Violation themes· decoded · grouped by BASIC
What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving24
- 390.21 USDOT number marking on vehicleUnsafe Driving8
- 393.104 Cargo securement — tiedownsVehicle Maintenance4 · 2 OOS
- 393.100 Cargo securement (general)Vehicle Maintenance3 · 3 OOS
- 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 2 OOS
- 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance2 · 2 OOS
- 393.110 Cargo securement — number of tiedownsVehicle Maintenance1 · 1 OOS
- 393.201 Parts & accessories (vehicle condition)Vehicle Maintenance1
- 393.30 Parts & accessories (vehicle condition)Vehicle Maintenance1
- 393.41 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- None
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 2 insurers · 0 lapsesContinuous
Liberty Fire · 14–17
Travelers Property · 17–26
20142026
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 41
- Observed power (24 mo)
- 20
- Trailers (towed)
- 0
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2024
Newest model yr
2016
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 1 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed11
US statesInspections · 24 mo5252
CA busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
TUCSON, AZ
Top corridor
CA ⇄ AZ
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (3 trucks · 4 carriers)
Across all inspections on record: USDOT 327574USDOT 542500USDOT 4414104USDOT 2708531
Shares a registration email domain with other carriers
@siwindows.com — 3 carriers: USDOT 757001USDOT 3300597
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)4141
Observed (24 mo)2020
Shared w/ other carriers33
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 4940 S ALVERNON WAY, TUCSON, AZ, 85706
- Mailing address
- P O BOX 27337, TUCSON, AZ, 85726
- Operation
- Interstate
Contact
- Phone
- (520) 790-8989
- Fax
- (520) 790-4657
- Web domain
- siwindows.com
Registration
- Officers
- Margaret Connelly · Margaret Connelly
- USDOT / docket
- 524112 · MC-859639
- First registered
- 05/20/1993
- Last MCS-150
- 04/17/2026 · 730,690 mi (2025)
- FMCSA safety rating
- Satisfactory · 08/19/2002
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—CDL drivers
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate SOLAR INDUSTRIES INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is SOLAR INDUSTRIES INC's USDOT number?
SOLAR INDUSTRIES INC's USDOT number is 524112, and its motor carrier number is MC-859639.
Is SOLAR INDUSTRIES INC authorized to operate?
As of 2026-06-30, SOLAR INDUSTRIES INC is active in the FMCSA register with common, contract, broker operating authority on file.
What is SOLAR INDUSTRIES INC's safety record?
SOLAR INDUSTRIES INC has a 12.8% vehicle out-of-service rate (national average 22.26%) across 71 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 100/100 (tier: clear).
How big is SOLAR INDUSTRIES INC's fleet?
SOLAR INDUSTRIES INC operates 41 power units and 41 drivers per its most recent MCS-150 filing.
Where is SOLAR INDUSTRIES INC based?
SOLAR INDUSTRIES INC is based in TUCSON, AZ, with roadside inspections recorded across 1 state.