Trucking Companies in Castle Rock, WA
Castle Rock, WA has 30 registered for-hire trucking companies as of May 2026, making it one of Washington'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
30 carriers broken down by power-unit count and operation type in Castle Rock, WA.
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 Castle Rock, WA freight market
Castle Rock, WA is home to 30 registered for-hire motor carriers, of which 30 (100.0%) hold active operating authority as of May 2026. According to FMCSA records, the average fleet size among Castle Rock carriers is 6.9 power units, reflecting a market dominated by owner-operators and small fleets. The Castle Rock carrier population contributes to Washington's broader freight economy, which the Bureau of Labor Statistics ranks among the nation's largest by trucking employment.
The fleet composition in Castle Rock shows 68 single-truck operators (226.7% of all carriers) alongside 1 carriers operating fleets of 101+ power units. Other operations represent the largest segment with 101 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 3 carriers received new operating authority in the past 6 months, while 24 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 Castle Rock 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 30 Castle Rock 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 Castle Rock, WA
Ranked by fleet size (power units). Top 3 featured. Showing 25 of 30 total carriers.
Wolf Line Construction Company has operated for 9.6y with 143 power units and 168 drivers under Carrier authority.
Justin Pitts Trucking INC has operated for 30.9y with 8 power units and 8 drivers under Common authority.
Tim Brown Logging INC has operated for 30.3y with 6 power units and 5 drivers under Contract authority.
James R Gaston Jr has operated for 30.8y with 4 power units and 4 drivers under Common authority.
Althof Contracting INC has operated for 34.0y with 4 power units and 3 drivers under Carrier authority.
Delameter Valley Farms LLC has operated for 2.4y with 4 power units and 3 drivers under Carrier authority.
Carosan Enterprises LTD has operated for 26.7y with 4 power units and 3 drivers under Contract authority.
Gowel LLC has operated for 11.2y with 3 power units and 3 drivers under Common authority.
Gould Sunrise Logging INC has operated for 31.0y with 2 power units and 2 drivers under Contract authority.
Water Supply LLC has operated for 24.1y with 2 power units and 2 drivers under Carrier authority.
All Castle Rock carriers — complete directory
30 carriers total. Page 1 of 2. Sorted by fleet size descending.
| # | Carrier | MC # | DOT # | Fleet | Auth. age | Type | Safety | Status |
|---|---|---|---|---|---|---|---|---|
| 01 | Wolf Line Construction Company Castle Rock, WA | - | 2940512 | 143 | 9.6y | Dry van | 99 | Active |
| 02 | Justin Pitts Trucking INC Castle Rock, WA | MC417502 | 606357 | 8 | 30.9y | Dry van | 95 | Active |
| 03 | Tim Brown Logging INC Castle Rock, WA | MC567859 | 631596 | 6 | 30.3y | Dry van | 95 | Active |
| 04 | James R Gaston Jr Castle Rock, WA | MC345835 | 609662 | 4 | 30.8y | Dry van | 95 | Active |
| 05 | Althof Contracting INC Castle Rock, WA | - | 486251 | 4 | 34.0y | Dry van | 95 | Active |
| 06 | Delameter Valley Farms LLC Castle Rock, WA | - | 4169988 | 4 | 2.4y | Dry van | 95 | Active |
| 07 | Carosan Enterprises LTD Castle Rock, WA | MC363107 | 826986 | 4 | 26.7y | Dry van | 95 | Active |
| 08 | Gowel LLC Castle Rock, WA | MC909035 | 2591406 | 3 | 11.2y | Dry van | 95 | Active |
| 09 | Gould Sunrise Logging INC Castle Rock, WA | MC660735 | 605769 | 2 | 31.0y | Dry van | 95 | Active |
| 10 | Water Supply LLC Castle Rock, WA | - | 1021953 | 2 | 24.1y | Dry van | 95 | Active |
| 11 | Inman Logging LLC Castle Rock, WA | MC801789 | 1969921 | 2 | 16.5y | Dry van | 95 | Active |
| 12 | Tim Eastman Equipment Repair & Welding LLC Castle Rock, WA | - | 2031866 | 2 | 16.1y | Dry van | 95 | Active |
| 13 | Brian Swanson Castle Rock, WA | MC737826 | 2116785 | 2 | 15.3y | Dry van | 95 | Active |
| 14 | D B Libby INC Castle Rock, WA | MC583438 | 1315211 | 2 | 21.4y | Dry van | 95 | Active |
| 15 | Go LLC Castle Rock, WA | - | 4038336 | 2 | 3.2y | Dry van | 95 | Active |
| 16 | Mainline Industries INC Castle Rock, WA | MC687920 | 1922797 | 2 | 16.8y | Dry van | 95 | Active |
| 17 | Gml Cutting INC Castle Rock, WA | - | 4550593 | 2 | 0.2y | Dry van | 95 | Active |
| 18 | Ballinger Trucking LLC Castle Rock, WA | MC1547434 | 4072416 | 1 | 3.1y | Dry van | 95 | Active |
| 19 | Silverock Construction LLC Castle Rock, WA | - | 4524125 | 1 | 0.3y | Dry van | 95 | Active |
| 20 | 4 Corners Organics INC Castle Rock, WA | MC570352 | 1530387 | 1 | 19.9y | Dry van | 95 | Active |
| 21 | Luke Brown Trucking LLC Castle Rock, WA | MC1479103 | 3963847 | 1 | 3.7y | Dry van | 95 | Active |
| 22 | Howell Transport Castle Rock, WA | MC1453873 | 3926309 | 1 | 3.8y | Dry van | 95 | Active |
| 23 | Grizzly Trucking INC Castle Rock, WA | MC475717 | 1191321 | 1 | 22.5y | Dry van | 95 | Active |
| 24 | Louis R Lemonds Jr Castle Rock, WA | MC346323 | 592423 | 1 | 31.3y | Dry van | 95 | Active |
| 25 | Kenneth A White Castle Rock, WA | MC687495 | 674179 | 1 | 29.4y | Dry van | 95 | Active |
Truck Graph carrier directory. Data from FMCSA operating authority records. View methodology
Find Castle Rock carriers by equipment type
Browse specialized carriers operating in Castle Rock, WA by trailer and equipment classification.
Explore the Washington carrier directory
Castle Rock is one of the top freight markets in Washington. Browse the full Washington trucking company directory to find carriers across all cities, or return to the national carrier index to compare states.
Nearby freight markets in Washington
Castle Rock trucking questions
Answers verified against FMCSA records.
How many trucking companies are in Castle Rock, Washington?
Castle Rock, WA has 30 registered for-hire motor carriers as of May 2026. Of these, 30 hold active operating authority from the FMCSA.
What is the average fleet size in Castle Rock?
The average fleet size among Castle Rock carriers is 6.9 power units. Approximately 68 carriers operate a single truck, while 1 operate fleets of 101+ units.
How many Castle Rock carriers have risk indicators?
Truck Graph identifies 0 active risk indicators among Castle Rock-based carriers. These indicators are derived from authority history patterns, insurance filing anomalies, and known chameleon carrier behaviors.
How do I verify a Castle Rock 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 Castle Rock?
Castle Rock's carrier population includes other, dry van / mixed 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 30 Castle Rock 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.
