Trucking Companies in Harper, IA
Harper, IA has 4 registered for-hire trucking companies as of May 2026, making it one of Iowa's largest carrier markets by operating authority count. This figure includes active, inactive, and revoked authorities tracked by the Federal Motor Carrier Safety Administration (FMCSA).
Source: FMCSA operating authority and compliance records. Truck Graph analysis. View methodology
Fleet size and equipment distribution
4 carriers broken down by power-unit count and operation type in Harper, IA.
Fleet size distribution
By registered power-unit count. Source: FMCSA carrier census. View methodology
Operation type breakdown
Classification by carrier operation type and hazmat endorsement status. View methodology
About the Harper, IA freight market
Harper, IA is home to 4 registered for-hire motor carriers, of which 4 (100.0%) hold active operating authority as of May 2026. According to FMCSA records, the average fleet size among Harper carriers is 2.8 power units, reflecting a market dominated by a mix of small and mid-size operations. The Harper carrier population contributes to Iowa's broader freight economy, which the Bureau of Labor Statistics ranks among the nation's largest by trucking employment.
The fleet composition in Harper shows 2 single-truck operators (50.0% of all carriers) alongside 0 carriers operating fleets of 101+ power units. Other operations represent the largest segment with 7 carriers. This distribution is consistent with FMCSA's national pattern where approximately 91% of registered carriers operate fewer than 6 power units (FMCSA Industry Snapshot, 2024).
Authority tenure data reveals 0 carriers received new operating authority in the past 6 months, while 4 carriers have maintained continuous authority for 20+ years. New entrants face elevated scrutiny under FMCSA's New Entrant Safety Assurance Program, which mandates an 18-month monitoring period including at least one safety audit. The presence of 0 carriers with prior revocations on record underscores the importance of verifying authority status before tendering freight — a carrier's historical compliance record is publicly available through the FMCSA SAFER System.
Truck Graph identifies 0 active risk indicators among Harper carriers (0.00% of the population), flagged through cross-referencing authority history, insurance filing patterns, and known chameleon carrier behaviors. The FMCSA defines chameleon carriers as entities that "successively obtain and relinquish operating authority to evade enforcement actions." Shippers and brokers should verify carrier authority, insurance coverage, and safety ratings before every load tender — Truck Graph's Risk Check tool provides instant verification against all available compliance data.
Sources: FMCSA.dot.gov, BLS Trucking Industry Data, FMCSA SAFER System. Data verified as of .
Authority age distribution
Years since initial FMCSA authority grant date. View methodology
Risk and compliance overview
Risk indicators and fleet composition across 4 Harper carriers.
Fleet size vs carrier count
Carrier population by fleet tier. Source: FMCSA census data. View methodology
Equipment type share
Based on operation type classification and endorsements. View methodology
Largest carriers in Harper, IA
Ranked by fleet size (power units). Top 3 featured. Showing 4 of 4 total carriers.
Clarahan Trucking Co INC has operated for 52.0y with 6 power units and 6 drivers under Contract authority.
A & B Construction LTD has operated for 13.3y with 2 power units and 2 drivers under Carrier authority.
Corn Belt Logistics LLC has operated for 28.2y with 2 power units and 2 drivers under Contract authority.
Sieren Trucking LLC has operated for 4.1y with 1 power units and 1 drivers under Carrier authority.
All Harper carriers — complete directory
4 carriers total. Page 1 of 1. Sorted by fleet size descending.
| # | Carrier | MC # | DOT # | Fleet | Auth. age | Type | Safety | Status |
|---|---|---|---|---|---|---|---|---|
| 01 | Clarahan Trucking Co INC Harper, IA | MC395033 | 168027 | 6 | 52.0y | Dry van | 95 | Active |
| 02 | A & B Construction LTD Harper, IA | - | 2382752 | 2 | 13.3y | Dry van | 95 | Active |
| 03 | Corn Belt Logistics LLC Harper, IA | MC569730 | 737429 | 2 | 28.2y | Dry van | 95 | Active |
| 04 | Sieren Trucking LLC Harper, IA | MC1422815 | 3879369 | 1 | 4.1y | Dry van | 95 | Active |
Truck Graph carrier directory. Data from FMCSA operating authority records. View methodology
Find Harper carriers by equipment type
Browse specialized carriers operating in Harper, IA by trailer and equipment classification.
Explore the Iowa carrier directory
Harper is one of the top freight markets in Iowa. Browse the full Iowa trucking company directory to find carriers across all cities, or return to the national carrier index to compare states.
Nearby freight markets in Iowa
Harper trucking questions
Answers verified against FMCSA records.
How many trucking companies are in Harper, Iowa?
Harper, IA has 4 registered for-hire motor carriers as of May 2026. Of these, 4 hold active operating authority from the FMCSA.
What is the average fleet size in Harper?
The average fleet size among Harper carriers is 2.8 power units. Approximately 2 carriers operate a single truck, while 0 operate fleets of 101+ units.
How many Harper carriers have risk indicators?
Truck Graph identifies 0 active risk indicators among Harper-based carriers. These indicators are derived from authority history patterns, insurance filing anomalies, and known chameleon carrier behaviors.
How do I verify a Harper trucking company?
Use Truck Graph's DOT Lookup tool to instantly verify any carrier's authority status, insurance coverage, and safety record. You can also check the FMCSA SAFER System directly at safer.fmcsa.dot.gov.
What types of trucking companies operate in Harper?
Harper's carrier population includes other operations. The market serves general freight, specialized, and regional distribution needs.
Is Truck Graph data reliable?
Truck Graph compiles data from FMCSA authority records, insurance filings, inspection histories, and crash reports. Data refreshes continuously from verified federal sources. All 4 Harper carriers are cross-referenced against multiple compliance databases.
For journalists and researchers
Truck Graph data is open and citable. For press inquiries, contact our editorial team.