Insights

Market Leadership Sully-Miller Contracting Co. is a leading regional player specializing in complex civil infrastructure projects across Southern California, creating opportunities to partner on large-scale road, airport, seaport, and federal projects that require versatile and experienced contractors.

Integrated Resources With ownership of supporting companies like Blue Diamond Materials and United Rock, the firm offers integrated sourcing of asphalt and aggregate materials, enabling streamlined procurement and cost competitiveness, which can be leveraged in supply chain partnerships.

Technology Adoption The company's adoption of advanced project management technologies such as CIM and SAP, alongside 4D modeling, indicates openness to digital innovations, opening avenues to introduce new construction tech solutions or software tools to enhance efficiency.

Financial Size Generating revenues between 100 to 250 million dollars with a workforce of up to 500 employees, Sully-Miller presents opportunities for mid-tier construction suppliers, subcontractors, and service providers looking to expand into Southern California civil infrastructure markets.

Growth Potential As part of Colas USA and competing with major firms like Bechtel and Turner, Sully-Miller's regional focus and project self-performance model indicate potential for long-term partnerships in ongoing and upcoming large infrastructure projects demanding reliable and experienced local contractors.

Sully-Miller Contracting Co. Tech Stack

Sully-Miller Contracting Co. uses 8 technology products and services including 4D, CIM Technologies, Swiper, and more. Explore Sully-Miller Contracting Co.'s tech stack below.

  • 4D
    Application Development & Management
  • CIM Technologies
    Cad & Graphics
  • Swiper
    Javascript Libraries
  • Microsoft Word
    Office Suites
  • Windows 10
    Operating Systems
  • SAP Maintenance, Repair, and Overhaul
    Operations
  • Android
    Programming Languages
  • Citrix
    Virtualisation Software

Media & News

Sully-Miller Contracting Co.'s Email Address Formats

Sully-Miller Contracting Co. uses at least 1 format(s):
Sully-Miller Contracting Co. Email FormatsExamplePercentage
FLast@sully-miller.comJDoe@sully-miller.com
54%
First.Last@sully-miller.comJohn.Doe@sully-miller.com
38%
F.Last@sully-miller.comJ.Doe@sully-miller.com
6%
Last@sully-miller.comDoe@sully-miller.com
2%

Frequently Asked Questions

Where is Sully-Miller Contracting Co.'s headquarters located?

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Sully-Miller Contracting Co.'s main headquarters is located at 135 South State College Boulevard, Suite 400. The company has employees across 2 continents, including North AmericaEurope.

What is Sully-Miller Contracting Co.'s phone number?

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You can contact Sully-Miller Contracting Co.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sully-Miller Contracting Co.'s official website and social media links?

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Sully-Miller Contracting Co.'s official website is sully-miller.com and has social profiles on LinkedIn.

How much revenue does Sully-Miller Contracting Co. generate?

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As of December 2025, Sully-Miller Contracting Co.'s annual revenue is estimated to be $21M.

What is Sully-Miller Contracting Co.'s SIC code NAICS code?

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Sully-Miller Contracting Co.'s SIC code is 1611 - Highway and Street Construction, Except Elevated Highways NAICS code is 23 - Construction.

How many employees does Sully-Miller Contracting Co. have currently?

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As of December 2025, Sully-Miller Contracting Co. has approximately 203 employees across 2 continents, including North AmericaEurope. Key team members include Chief Financial Officer: C. W.Vice President Of Finance: E. A.Vice President And General Manager: M. E.. Explore Sully-Miller Contracting Co.'s employee directory with LeadIQ.

What industry does Sully-Miller Contracting Co. belong to?

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Sully-Miller Contracting Co. operates in the Construction industry.

What technology does Sully-Miller Contracting Co. use?

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Sully-Miller Contracting Co.'s tech stack includes 4DCIM TechnologiesSwiperMicrosoft WordWindows 10SAP Maintenance, Repair, and OverhaulAndroidCitrix.

What is Sully-Miller Contracting Co.'s email format?

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Sully-Miller Contracting Co.'s email format typically follows the pattern of FLast@sully-miller.com. Find more Sully-Miller Contracting Co. email formats with LeadIQ.

When was Sully-Miller Contracting Co. founded?

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Sully-Miller Contracting Co. was founded in 1923.

Sully-Miller Contracting Co.

ConstructionCalifornia, United States201-500 Employees

Part of Colas USA, Sully-Miller Contracting Company is one of the premier road and highway contractors, rail & intermodal, seaport, airport, federal/military and specialty contractors in Southern California.

You will not find a more integrated and versatile general contractor in the region. With an emphasis on Project Management, Sully-Miller self-performs over 50 percent of the work on all contracts. 

Sully-Miller Contracting is a highly capable partner, taking the reins of standard and complex civil projects by providing the following services:

Procurement of raw materials and construction

Project completion, ongoing operation and maintenance

Sully-Miller companies consist of Sully-Miller Contracting, United Rock and Blue Diamond Materials. Each company supports the other. Blue Diamond Materials provides the hot mix asphalt manufacturing, United Rock the aggregate, and Sully-Miller Contracting executes the projects.  Accessibility to extensive resources and capabilities enable Sully-Miller Contracting to handle a broad spectrum of projects.

Section iconCompany Overview

Headquarters
135 South State College Boulevard, Suite 400
Phone number
SIC Code
1611 - Highway and Street Construction, Except Elevated Highways
NAICS Code
23 - Construction
Founded
1923
Employees
201-500

Section iconMedia & News

Section iconFunding & Financials

  • $100M$250M

    Sully-Miller Contracting Co.'s revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Sully-Miller Contracting Co.'s revenue is estimated to be in the range of $100M$250M

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