VCVioCodes
Carrier Vetting Report
Generated Oct 22, 2026
viocodes.yuriance.net
GUIDEMARK INC
USDOT 364948 · EIN 23-2276099
773 SUMNEYTOWN PIKE, HARLEYSVILLE, PA, 19438
(215) 721-7100 · Marc Detweiler
98
Low risk
Risk factors
1 crash in the last 24 months
Snapshot
Operating authority
—
Liability insurance
No active filing
Safety rating
Not rated
Power units / drivers
68 / 60
Inspections / CSA pts (24mo)
5 / 9
Crashes (24 mo)
1
Roadside inspection performance
Vehicle OOS rate25% · nat 22%
Driver OOS rate0% · nat 6.7%
CSA breakdown — violations by BASIC
Vehicle Maintenance9 pts
Top cited violations (by CSA points)
| Code | BASIC | Count | OOS | CSA pts |
|---|---|---|---|---|
| 396.3A1-F | Vehicle Maintenance | 1 | 1 | 5 |
| 393.45B2-B-AIR | Vehicle Maintenance | 1 | 4 |
Most inspected states
PA5
Next monthly SMS run — projection
| BASIC | Official (Oct 2026) | Projected | Est. %ile | Trend |
|---|---|---|---|---|
| Unsafe Driving | 0.00 | 0.00 | ≈0–0% | steady |
| Hours-of-Service Compliance | 0.00 | 0.00 | ≈0–0% | steady |
| Driver Fitness | 0.00 | 0.00 | ≈0–0% | steady |
| Controlled Substances/Alcohol | 0.00 | 0.00 | ≈0–0% | steady |
| Vehicle Maintenance | 3.25 | 3.25 | — | steady |
Latest inspection 2026-04-28. “Projected” recomputes the SMS formula on today’s record — an estimate, not an official FMCSA figure. “Est. %ile” is a VioCodes estimate of how the carrier ranks against its peers (FMCSA marks the percentile itself “Not Public”), shown as a likely range.
Recommendations — what's driving each score
Vehicle out-of-service rate exceeds the national average · high impact
• Review recent inspections with out-of-service violations and fix the root causes with equipment and drivers
• Run a preventative-maintenance program; periodically inspect tires, brakes and lights
Unsafe Driving needs attention · low impact
• Review recent inspections with violations in this BASIC and take remedial action with drivers/equipment
Hours-of-Service Compliance needs attention · low impact
• Review recent inspections with violations in this BASIC and take remedial action with drivers/equipment
Driver Fitness needs attention · low impact
• Review recent inspections with violations in this BASIC and take remedial action with drivers/equipment
Controlled Substances/Alcohol needs attention · low impact
• Review recent inspections with violations in this BASIC and take remedial action with drivers/equipment
Generated from the public inspection record. Percentiles/projections are VioCodes estimates, not official FMCSA figures.
Crash record — 1 in 24 months
| Date | Location | Fatal | Inj | Tow |
|---|---|---|---|---|
| 12/03/2024 | BIRMINGHAM TOWNSHIP, PA | ✓ |
Equipment — 9 vehicles seen in inspections
9 incomplete vehicle
Company profile
Officer
Marc Detweiler
Annual mileage
0.7M mi (2025)
CDL drivers
55
Registered since
1989-09-07
Operation
Interstate
Connections — 2 carriers
Shares identifiers with 2 carriers (1 via shared VINs).
| Carrier | USDOT | Link | Strength |
|---|---|---|---|
| GUIDEMARK INC | 3376152 | email, phone | strong |
Activity history (recent)
11/26/2025 — MCS-150 update filed
0.7M mi reported (2025)
09/07/1989 — Registered with FMCSA
PRIVATE PROPERTY
Generated by VioCodes from current public FMCSA data (Census, Licensing & Insurance, SMS/MCMIS, QCMobile). VioCodes is not affiliated with FMCSA. Informational only — verify current coverage and status directly before making a vetting decision. Full interactive profile at viocodes.yuriance.net/carrier/364948.