Verified Nov 2026
Chassis & Safety Systems
·
Mount Pleasant, Texas
·
Since 1985
Diamond C Trailers is a family-owned manufacturer of open steel trailers headquartered in Mount Pleasant, Texas, United States. Founded in 1985, the company designs and builds more than 35 models of flatbed and dump trailers for the construction, landscaping, racing, automotive, and industrial equipment sectors. Its estimated workforce is 500 to 1,000 employees, with estimated annual revenue of $50 to $100 million. In 2026 it introduced ABS-equipped trailers rated above 8,000 lb axle capacity.
Diamond C Trailers at a glance
Revenue
$50-100M
Est. band
Employees
500-1,000
Founded
1985
Headquarters
Mount Pleasant, Texas
Import activity
17
Industries
Automotive
Construction
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
17
Named foreign suppliers
12
Top origins
China · South Korea
Shared foreign counterparties do not establish that these companies buy from Diamond C Trailers.
What this tells a buyer
The company has no customs or trade shipment data in the record, so its import and export footprint cannot be described.
Diamond C offers over 35 trailer models and states that it has an industry-exclusive anti-lock brake system on trailers with 8,000 lb and higher axles, along with battery options and upgrades announced in March 2026.
The company is privately held, with an estimated employee band of 500 to 1,000 and a distribution network of more than 100 dealer partners across North America.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Diamond C Trailers is a family-owned manufacturer of open steel trailers headquartered in Mount Pleasant, Texas, United States. Founded in 1985, the company designs and builds more than 35 models of flatbed and dump trailers for the construction, landscaping, racing, automotive, and industrial equipment sectors. Its estimated workforce is 500 to 1,000 employees, with estimated annual revenue of $50 to $100 million. In 2026 it introduced ABS-equipped trailers rated above 8,000 lb axle capacity.
At a glance
Attribute | Detail |
|---|---|
Founded | 1985 |
Headquarters | Mount Pleasant, Texas |
Employees | 500-1,000 |
Revenue | $50-100M (estimated) |
Primary capability | Chassis & Safety Systems |
What Diamond C Trailers makes
Diamond C offers over 35 trailer models and states that it has an industry-exclusive anti-lock brake system on trailers with 8,000 lb and higher axles, along with battery options and upgrades announced in March 2026.
Products and capabilities described on the company's own site include Steel, Brake, Axle, Battery, Coating, Gear, Forging (source: diamondc.com).
Trade and customs footprint
The company has no customs or trade shipment data in the record, so its import and export footprint cannot be described. US customs bill-of-lading records list 17 inbound shipments across 12 foreign suppliers, with top origins including China · South Korea.
Latest developments
2026-09-15 — New Diamond C Trailers, LPT Upgrades & 2027 GPS Technology: Highlights from the NATDA Trailer Show - Premier Trailer Dealer (premiertrailersalesnwa.com)
2026-09-06 — Diamond C Introduces ABS-Equipped HD Trailers: Video (gmauthority.com)
2026-08-06 — Diamond C Trailers invests in the future through support of the Work4College program | Northeast Texas Community College (ntcc.edu)
2026-03-26 — Power That Performs: Diamond C Battery Options & Upgrades (diamondc.com)
2026-03-03 — Diamond C Industry-Exclusive ABS (Anti-Lock Brake System) on 8K+ Axle Trailers (diamondc.com)
2026-02-23 — LIMITED EDITION FMAX GOOSENECK WRAPPED TRAILERS (diamondc.com)
Facilities
Diamond C Trailers is headquartered in Mount Pleasant, Texas. Public sources also reference these locations:
Mount Pleasant, Texas — centerrockcp.com
Company details
The company is privately held, with an estimated employee band of 500 to 1,000 and a distribution network of more than 100 dealer partners across North America. Diamond C Trailers was founded in 1985, has an estimated 500-1,000 employees, and is headquartered in Mount Pleasant, Texas.
Frequently asked questions
What does Diamond C Trailers make?
Diamond C Trailers is a family-owned manufacturer of open steel trailers headquartered in Mount Pleasant, Texas, United States. Founded in 1985, the company designs and builds more than 35 models of flatbed and dump trailers for the construction, landscaping, racing, automotive, and industrial equipment sectors. Its estimated workforce is 500 to 1,000 employees, with estimated annual revenue of $50 to $100 million. In 2026 it introduced ABS-equipped trailers rated above 8,000 lb axle capacity.
Where is Diamond C Trailers headquartered?
Diamond C Trailers is headquartered in Mount Pleasant, Texas.
When was Diamond C Trailers founded?
Diamond C Trailers was founded in 1985.
How big is Diamond C Trailers?
Diamond C Trailers has an estimated 500-1,000 employees, with revenue in the $50-100M range (estimated).
Does Diamond C Trailers import from overseas suppliers?
US customs bill-of-lading records show 17 inbound shipments for Diamond C Trailers, with top origins including China · South Korea.
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Last verified Nov 2026. Is this your company? Request a correction.
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