THE DIAMOND ENGINEERING CO

USDOT 145252 Active CORPORATION PRIVATE PROPERTY;OTHER-UNSPECIFIED Conditional rated CORPORATION Company officer: JAMES HARDER Company officer 2: DOUGLAS SASS Building Materials Machinery / Large Objects Chemicals Construction Based in GRAND ISLAND, NE Grade B · 71
Brokers & shippers · booking check

Book with caution — review signals below

No hard OOS / revoked / uninsured blocker, but elevated risk signals need a human look before booking.

Caution
Review these
  • Conditional safety rating Carrier did not meet the safety fitness standard at the last compliance review.
  • OOS rate worse than size peers Driver and/or vehicle out-of-service rate is above the peer median.
On file
  • OOS rate better than size peers
Org: CORPORATION
Company officer: JAMES HARDER
Company officer 2: DOUGLAS SASS
Cargo: Building Materials, Machinery / Large Objects, Chemicals, Construction
Built for brokers and shippers deciding whether to tender. Always confirm on FMCSA SAFER and L&I before booking — TruckCodex mirrors public filings and can lag by up to a day.
Plain-text risk summary (print / paste)
TruckCodex risk summary — THE DIAMOND ENGINEERING CO (USDOT 145252)
Verdict: CAUTION
Book with caution — review signals below
No hard OOS / revoked / uninsured blocker, but elevated risk signals need a human look before booking.

Authority / census status: Active
Officer(s): JAMES HARDER (Company officer); DOUGLAS SASS (Company officer 2)
Organization: CORPORATION

Blockers:
  (none)

Cautions:
  • Conditional safety rating — Carrier did not meet the safety fitness standard at the last compliance review.
  • OOS rate worse than size peers — Driver and/or vehicle out-of-service rate is above the peer median.

On file:
  • OOS rate better than size peers

Source: https://truckcodex.com/usdot/145252/
As of: Jul 22, 2026
Always confirm on FMCSA SAFER and L&I before tendering — TruckCodex mirrors public filings and can lag by up to a day.
TruckCodex · compliance grade

Compliance grade B

Composite of 4/5 scored components (mean 71/100). Expand for per-signal evidence. Heuristic — not an FMCSA rating or legal advice.

B confidence 80% · 4/5 signals
Authority / census
Active · 100/100

Active census status with no OOS order or revoked authority on file.

Insurance / BIPD
NR

Insurance/BIPD signal not resolved for this carrier.

NR reason: No active policies and no uninsured flag to score against.

OOS vs peers
Mixed vs peers · 40/100

Driver OOS 0% vs peer median 0.7% (better). Vehicle OOS 50% vs peer median 17.4% (worse). n=14799 same-size ACTIVE peers.

FMCSA safety rating
Conditional · 45/100

Official FMCSA Conditional safety rating.

Insurance-watch tier
Not on watch · 100/100

No BMC-91 insurance-lapse watch classification on file for this USDOT.

TruckCodex compliance grade from authority, BIPD, peer OOS, FMCSA safety rating, and insurance-watch signals. Not legal advice. See methodology. Booking triage on this page: Caution.

Operating authority

No authority breakdown on file.

Insurance

No active policies on file.

BOC-3 agent

No BOC-3 filing on file.

Company profile

Company details
USDOT 145252
In FMCSA records since Jun 1, 1974 (~52y)
Entity CORPORATION
Business org CORPORATION
Company officer JAMES HARDER
Company officer 2 DOUGLAS SASS
Operation PRIVATE PROPERTY;OTHER-UNSPECIFIED
Cargo carried
Building Materials, Machinery / Large Objects, Chemicals, Construction
Fleet size 68 units
Drivers 31
Annual mileage 32,000 mi
Contact & address
Physical
1521 W ANNA
GRAND ISLAND, NE 68801
Mailing
PO BOX 1327
GRAND ISLAND, NE 68802
Registration & safety rating
USDOT 145252
In FMCSA records since Jun 1, 1974 (~52y)
Entity CORPORATION
Operation PRIVATE PROPERTY;OTHER-UNSPECIFIED
Annual mileage (MCS-150) 32,000 mi
Safety Rating Conditional
vs. National Average
Vehicle OOS Rate 50.0% vs 23.4% +26.6 pts
Driver OOS Rate 0.0% vs 6.7% -6.7 pts
Violations per Inspection 4.20 vs 1.80 +2.40
Peer tier (mid-sized fleets (11-100 power units)) median OOS rate: 27.3%
FMCSA cargo filing (BMC-34/83)

No active FMCSA cargo filing on file.

FMCSA L&I filing evidence — not a shipper certificate of insurance (COI). Cargo (BMC-34) is primarily an HHG / household-goods requirement; general freight carriers often have none.

Fleet details (MCS-150)

Vehicle type Owned Term leased Trip leased
Truck tractors 6 0 0
Trailers 89 0 0
Trucks 62 0 0

Self-reported on the carrier’s Form MCS-150 (FMCSA Company Census).

Inspections (24 months)

All 8 inspections →
Driver Vehicle Hazmat
Inspections 5 5 0
OOS inspections 0 2 0
OOS percentage 0% 40%
National average 6.67% 22.26% 4.44%

Roadside inspections in the last 24 months. National averages are FMCSA MCSAP reference rates (driver ~6.7%, vehicle ~23.4%, hazmat ~4.4%).

Power Units
68
Drivers
31
Inspections
8
FMCSA roadside history on file
OOS Rate (peak)
50.0%
driver or vehicle, whichever higher
Crashes
9
None in last 24 months · all-time on file
Authorities
0
Carrier analysis & narrative context SEO summary, status notes, AI overview, and safety profiles

THE DIAMOND ENGINEERING CO is a corporation based in GRAND ISLAND, NE, registered with the FMCSA under USDOT 145252. The carrier is currently active in FMCSA's records, with a safety rating of Conditional. MCS-150 self-reporting puts the fleet at 68 power units and 31 drivers, with 8 roadside inspections on file and a peak out-of-service rate of 50.0%. Use this page to verify the carrier's authority and insurance, review its inspection and crash history, and cross-reference live data on FMCSA SAFER before booking a load or onboarding a partner.

Conditional safety rating

FMCSA has assigned this carrier a Conditional safety rating.

Carrier overview

THE DIAMOND ENGINEERING CO is a mid-sized fleet, operating 68 power units and 31 drivers, organized as a corporation, based in Grand Island, NE. Across 4 roadside inspections in the last 24 months, the fleet recorded a 50.0% out-of-service rate, with no reportable crashes on file. no operating authority record was located.

Inspection profile

4 roadside inspections over the last 24 months, up 33% versus the prior 24 months, most heavily in NE (4 stops), with Level 2 inspections the most common.

Violation profile

50.0% out-of-service rate; led by Vehicle Maintenance (66.7% of violations); top code 396.17C (No proof of periodic inspection) cited 2 times.

Fleet profile

The fleet comprises 68 power units (mid-sized fleet) and 31 drivers; Ford, Belh, and Dynw are the most-inspected makes.

Risk Signals

High OOS rate
Peak OOS rate of 50.0% is well above FMCSA MCSAP national averages (driver ~6.7%, vehicle ~23.4%).

Out-of-Service rate vs same-size peers FMCSA roadside inspections, % placed out-of-service

Compared against 14,799 ACTIVE carriers operating 34–102 power units (±50% of this carrier's 68 unit fleet).

This carrier — Driver OOS
0%
Drivers placed out-of-service at roadside inspections
Peer median
0.7%
Median across 14,799 same-size peers
Verdict
Safer than peers
Delta -0.7 pts vs peer median (lower is safer)
This carrier — Vehicle OOS
50%
Vehicles placed out-of-service at roadside inspections
Peer median
17.4%
Median across 14,799 same-size peers
Verdict
Riskier than peers
Delta +32.6 pts vs peer median (lower is safer)
Inspection Analytics Monthly activity · BASIC mix · state map

Monthly Inspection Activity (24 months)

2025-01 2026-07

Violations by BASIC Category

Federal BASIC buckets for every citation issued against this carrier over the past 24 months.

Activity by State

States this carrier has been inspected in over the past 24 months.
State Inspections OOS OOS % Last Inspection
Nebraska (NE) 5 2 40.0% Jul 14, 2026
Vehicle Fleet Top makes and models observed in roadside inspections
Make Model Inspections
Ford 4
International 3
Belh 1
Dynw 1
Trail King 1
Trlk 1
Trailer 1
SMS BASIC Scores FMCSA Safety Measurement System per-BASIC scores
BASIC Inspections Serious Measure Percentile Alert As Of
Driver Fitness 0 0.00 0 Jul 20, 2026
Controlled Substances / Alcohol 0 0.00 0 Jul 20, 2026
Hours of Service 0 0.00 0 Jul 20, 2026
Unsafe Driving 0 0.00 0 Jul 20, 2026
Vehicle Maintenance 3 13.14 13 Jul 20, 2026

Higher percentiles indicate worse performance relative to peer carriers. Carriers at or above the FMCSA intervention threshold are marked ALERT.

Recent Inspections (8 rows) View all 8 →
Inspection # Date ▼ State Level Station Vehicle Violations Top Codes OOS
88403855 Jul 14, 2026 NE 3
INTERNATIONAL TRUCK TRACTOR
3 396.17C-PI, 392.2-SLLSIV No
86080871 Oct 17, 2025 NE 2
INTERNATIONAL STRAIGHT TRUCK
1 390.21TB2-DOT No
85383636 Jul 29, 2025 NE 2
FORD STRAIGHT TRUCK
8 393.75G-TAOW, 393.75G-TFWETL, 393.100B-C Yes
85102312 Jul 1, 2025 NE 1
FORD STRAIGHT TRUCK
3 177.801-HMHCNP, 393.95A3, 396.17C-PI No
83516003 Jan 2, 2025 NE 1
FORD STRAIGHT TRUCK
9 393.9TS, 392.9A, 393.100C Yes
80333820 Dec 7, 2023 NE 3
FORD STRAIGHT TRUCK
2 392.2 No
80226492 Nov 22, 2023 NE 1
INTERNATIONAL TRUCK TRACTOR
1 393.9(a) No
78620453 May 15, 2023 NE 1
FORD STRAIGHT TRUCK
4 393.9(a) Yes
Recent Crashes (9 rows)
Report # Date ▼ State Fatalities Injuries Tow Hazmat Severity
KS2023E25182 Jan 18, 2023 KS 0 0 Yes No Tow
KS2015E10683 Dec 2, 2015 KS 0 1 Yes No Injury
KS2014E07832 Apr 21, 2014 KS 0 0 Yes No Tow
KS2012E04267 Mar 16, 2012 KS 0 0 Yes No Tow
KS2011E01879 Feb 15, 2011 KS 0 1 Yes No Injury
KS2009018185 Nov 10, 2009 KS 0 0 Yes No Tow
NE950006169C Dec 16, 1994 NE 0 0 Yes No Tow
KS0008768593 Sep 8, 1993 KS 0 0 Yes No Tow
NE930041507B Jun 10, 1993 NE 0 0 Yes No Tow
Top Stations & Violation Codes Where this carrier gets inspected and what they get cited for

Top Violation Codes Cited

Code Description Category Cited OOS
393.9(a) Inoperable required lamps Vehicle Maintenance 5 1
392.2 Violation of Local Laws - Explain: Unsafe Driving 2 0
393.19 Inoperative/Defective Hazard Warning Lamp Vehicle Maintenance 1 0
Related Records Cross-references to every adjacent page
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How to verify THE DIAMOND ENGINEERING CO

  1. Verify USDOT and MC numbers match the carrier's documents. Compare the USDOT number and MC docket on this page to the numbers on the carrier's invoice, rate confirmation, or load-board listing. A mismatch between the carrier's claimed numbers and the registered legal name is the single most common red flag.
  2. Check active operating authority and insurance status. Confirm the Authority Records show at least one ACTIVE docket for the type of operation you're booking, and that the Active Insurance card lists a current BIPD/Primary policy. A revoked authority or uninsured carrier cannot legally operate.
  3. Review safety rating and SMS BASIC scores. Check the carrier's FMCSA safety rating (if any) and the SMS BASIC table. A high percentile in any BASIC category — especially Unsafe Driving, HOS, or Vehicle Maintenance — is worth investigating before tendering a load.
  4. Examine inspection and crash history. Open the Inspection History and Crash History subpages for the full record. Look for patterns: repeat OOS findings on the same unit, multiple crashes in a short window, or violations clustered in one BASIC category.
  5. Cross-reference real-time data with FMCSA SAFER. For the most current snapshot — within 24 hours of any insurer filing or authority change — click through to the FMCSA SAFER lookup. TruckCodex mirrors SAFER and L&I daily; SAFER itself reflects filings within 24 hours.

Frequently asked questions about THE DIAMOND ENGINEERING CO

Is THE DIAMOND ENGINEERING CO an active motor carrier?
Yes. THE DIAMOND ENGINEERING CO is registered with the FMCSA under USDOT 145252 and is currently shown as Active in the agency's Motor Carrier Management Information System (MCMIS). Active status means the carrier may legally operate, contingent on continuous insurance and authority filings.
What is THE DIAMOND ENGINEERING CO's safety rating?
THE DIAMOND ENGINEERING CO's FMCSA safety rating is Conditional. A Conditional rating indicates the carrier did not meet the safety fitness standard during its most recent compliance review and is on notice to remediate. Safety ratings are assigned only after a formal compliance review; most carriers in the FMCSA database are unrated.
How many inspections has THE DIAMOND ENGINEERING CO had?
8 roadside inspections are on file for THE DIAMOND ENGINEERING CO in FMCSA's MCMIS database. Each inspection is summarized in the Inspection History section below — sortable by date, state, level, and out-of-service result. Newer inspections are pulled from the FMCSA SMS data feed daily.
What is THE DIAMOND ENGINEERING CO's out-of-service rate?
THE DIAMOND ENGINEERING CO's peak out-of-service rate is 50.0% (whichever is higher of driver-OOS or vehicle-OOS, computed from FMCSA roadside inspection data). The national averages are roughly 6.7% for drivers and 23.4% for vehicles — see the peer-context card on this page for a side-by-side comparison.
Where is THE DIAMOND ENGINEERING CO based?
THE DIAMOND ENGINEERING CO reports its physical address to the FMCSA as 1521 W ANNA, GRAND ISLAND, Nebraska 68801. Carriers must file a Form MCS-150 every two years to keep their address current; an outdated address is a common compliance flag.
Does THE DIAMOND ENGINEERING CO have valid operating authority?
THE DIAMOND ENGINEERING CO does not have any FMCSA for-hire operating authority (MC, FF, or MX docket) on file. This is normal for private carriers — companies that haul their own goods need only a USDOT number, not an MC number. For-hire carriers (those hauling for compensation) must hold operating authority in addition to a USDOT number.
How many trucks and drivers does THE DIAMOND ENGINEERING CO operate?
THE DIAMOND ENGINEERING CO self-reports 68 power units and 31 drivers on its most recent FMCSA Form MCS-150 filing. Power-unit and driver counts come from the carrier directly and are required to be updated every two years; very large fluctuations between filings can indicate fleet changes worth investigating.
Has THE DIAMOND ENGINEERING CO had any crashes?
9 FMCSA-reportable crashes are on file for THE DIAMOND ENGINEERING CO in MCMIS. A reportable crash is one resulting in a fatality, an injury requiring transport for medical attention, or a vehicle disabled and towed from the scene. The full crash log is on the Crashes subpage with date, state, and outcome details.

About FMCSA carrier records

Every commercial motor carrier operating in the United States is required to register with the Federal Motor Carrier Safety Administration (FMCSA) and obtain a USDOT number. The USDOT number is a permanent, unique identifier — once assigned, it stays with the carrier for life and is never reissued to another company. Carriers must update their registration every two years on Form MCS-150 to keep their address, fleet size, and operating data current.

Carrier safety data lives in FMCSA's Motor Carrier Management Information System (MCMIS): roadside inspections, crashes, out-of-service findings, and the seven Behavior Analysis and Safety Improvement Categories (BASICs) that make up the SMS scoring methodology. For-hire carriers must also hold operating authority — an MC, FF, or MX docket number — which is separate from the USDOT number and requires continuous insurance and BOC-3 process-agent filings to remain active.

TruckCodex mirrors FMCSA's public SAFER and L&I systems on a daily refresh cycle. Every record on this page reflects what FMCSA has on file. We do not edit or modify carrier data — for real-time confirmation immediately before a transaction, click through to the FMCSA SAFER lookup linked in the related records section above. Safety ratings, when present, come from formal compliance reviews; most active carriers have not been reviewed and are correctly listed as unrated.

Data sources & freshness

TruckCodex aggregates official public-sector datasets. See the Source registry for dataset-level coverage and the Freshness log for last-import timestamps.

Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.

Refreshed daily.

Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).

Refreshed daily.
EIA

Retail diesel and gasoline price history and state fuel-tax tables.

Refreshed weekly.

Cross-border carrier registry and Canadian recall campaigns where applicable.

Refreshed weekly.

TruckCodex is an independent aggregator; it is not affiliated with FMCSA, NHTSA, EIA, or Transport Canada. Always verify compliance-critical information directly with the originating agency.