Blue Diamond Materials Co

What Blue Diamond Materials Co does

Blue Diamond Materials Co is a Southern California producer of custom hot mix asphalt mixtures and pavement materials, supplying the materials component for heavy civil construction projects in roads, highways, airports, seaports, and rail/intermodal infrastructure. The company was founded in 1923 as part of what is now the Sully-Miller Companies group and is headquartered in Brea, California, operating with a headcount in the 11–50 range.

Its core product is hot mix asphalt, produced and supplied as a vertically integrated input within Sully-Miller Companies — alongside sister companies Sully-Miller Contracting Co. (project execution) and United Rock Products (aggregate and inert fill materials). An accredited in-house QC lab supports mix design and quality control. The technology stack is industrial rather than digital: conventional hot mix asphalt production augmented by access to Colas Group and Bouygues S.A. global R&D in materials and construction techniques.

The business model is a single stream of hardware/materials sales — production and supply of hot mix asphalt — priced and contracted via direct project supply relationships with enterprise customers (primarily heavy civil contractors and government transportation agencies at state, county, and municipal levels). The channel is direct enterprise/B-to-B supply, channeled through Sully-Miller Companies' project pipeline; no pricing is publicly disclosed. The company is privately held as a subsidiary of Sully-Miller Contracting Co., which is in turn a subsidiary of Colas Inc., backed by the global Colas Group and Bouygues S.A.

Name

Blue Diamond Materials Co

Legal name

Blue Diamond Materials Co

Website

https://bluediamondasphalt.com

Company type

Private

Founded year

1923

Operating status

Operating

Headcount range

11–50 employees

Short description

Blue Diamond Materials Co produces custom hot mix asphalt mixtures and pavement materials, supplying heavy civil construction projects in Southern California as the materials arm of the vertically integrated Sully-Miller Companies group, serving government transportation agencies, contractors, and airport authorities.

Ownership category

akta.pro rank

Product category

Construction Materials (Asphalt)

NAICS

Asphalt Paving Mixture and Block Manufacturing (324121), Asphalt Paving, Roofing, and Saturated Materials Manufacturing (32412)

SIC

Asphalt Paving & Roofing Materials (2950)

akta.pro primary industry

Asphalt Mixing & Paving Materials (Hot/Warm/Cold Mix, RAP/RAS Blends) (EUALAKAG)

akta.pro secondary industry

Asphalt Aggregates & Specialty Aggregates (Rail Ballast, Riprap, Lightweight) (IMADAAAJ)

Keywords

• Hot mix asphalt
• Pavement materials
• Asphalt production
• Construction aggregates
• Asphalt supply

Headquarters

HQ city

Brea

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Asphalt Materials Supply: Production and supply of hot mix asphalt for infrastructure construction projects, serving as the materials component within a vertically integrated heavy civil construction operation

Distribution channels1 record

Core offering

Blue Diamond Materials Co produces and supplies custom hot mix asphalt mixtures and pavement materials for heavy civil infrastructure projects in Southern California. Operating within the vertically integrated Sully-Miller Companies—alongside aggregate supplier United Rock Products and contractor Sully-Miller Contracting—the company supplies asphalt for roads, highways, airports, seaports, and rail infrastructure.

Product overview

Blue Diamond Materials Co operates as a construction materials company within the Sully-Miller Companies umbrella, which also includes Sully-Miller Contracting (project execution) and United Rock Products (aggregate and inert fill materials). Blue Diamond Materials specializes in providing hot mix asphalt mixtures and related service. The three companies support each other in a vertically integrated structure, enabling Sully-Miller to handle a broad spectrum of infrastructure projects by controlling material supply, aggregate production, and project execution.

Differentiator

Problem solved

Functional benefit

Products and services

• Hot Mix Asphalt (HMA) Custom-produced hot mix asphalt mixtures supplied for heavy civil construction projects including roads, highways, airports, seaports, rail infrastructure, and specialty construction in Southern California. Produced under an in-house accredited Quality Control lab, with materials coordination enabled via sister company United Rock Products (aggregate) and delivered through direct project supply relationships.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core.

• Sully-Miller Contracting Co.coreStrategic or Co-development PartnerSully-Miller Contracting executes heavy civil construction projects while Blue Diamond Materials supplies the hot mix asphalt; both companies plus United Rock Products comprise the Sully-Miller Companies, supporting each other through vertical integration
• United Rock ProductscoreStrategic or Co-development PartnerUnited Rock Products provides locally sourced aggregate and inert fill materials while Blue Diamond Materials provides hot mix asphalt; both are sister companies within Sully-Miller Companies enabling integrated project delivery
• Colas GroupcoreStrategic or Co-development PartnerGlobal support from Colas Group and Bouygues S.A. provides access to wealth of resources and innovative technology for Blue Diamond Materials operations

Scale indicators1 record

Recent moves3 records

Expansion highlights3 records

Direct peers

• Security Paving Company: Southern California heavy civil grading and paving contractor that also operates asphalt production capacity, making it a direct comparable to Blue Diamond Materials in terms of integrated regional paving services.
• Granite Construction Incorporated: Vertically integrated heavy civil contractor and asphalt producer operating across the Western US, including California. Like Sully-Miller/Blue Diamond, Granite owns its own aggregate and hot mix asphalt plants to feed its paving crews, making it the closest direct peer in terms of integrated business model.
• CalPortland Company: Major West Coast producer of cement, ready-mix concrete, and hot mix asphalt with deep California operations. Competes directly with Blue Diamond in Southern California for asphalt paving material supply and aggregates.
• S&W Materials: Regional asphalt and aggregate producer operating in Southern California. Closely comparable to Blue Diamond as a similarly sized hot mix asphalt plant serving overlapping public and private infrastructure customers.

Broad incumbents

• Oldcastle Materials (CRH): Division of CRH plc and one of the largest asphalt and aggregate producers in North America. Operates numerous hot mix plants in California and competes directly with Blue Diamond for both plant-supply and vertically integrated paving work.
• Lehigh Hanson: Large North American aggregates and asphalt producer with operations in California. Competes with Blue Diamond for hot mix asphalt supply on highway, airport, and commercial paving jobs.
• Vulcan Materials Company: The largest US producer of construction aggregates and a major supplier of asphalt paving mixtures. Operates multiple hot mix asphalt plants across Southern California, competing with Blue Diamond for both aggregate and asphalt supply contracts on infrastructure projects.
• Cemex: Global building materials giant that produces aggregates and asphalt paving mixes in California and competes for public infrastructure supply contracts comparable to those Blue Diamond serves.
• Martin Marietta Materials: Major US aggregates and asphalt producer with a significant California footprint. Competes with Blue Diamond on hot mix asphalt supply and aggregates for road, highway, and airport paving projects in the Western US.

Regional players

• Stewart Engineering & Construction (Stewart Enterprises): California-based heavy civil contractor with integrated asphalt and aggregate operations, comparable in scope and region to Sully-Miller/Blue Diamond and competing for many of the same Southern California public works projects.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/SullyMillerContractingCo
• LinkedInlinkedin.com/company/blue-diamond-materials-co
• Instagraminstagram.com/sullymiller

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Blue Diamond Materials Co