Insights

Longstanding Local Player Sebastian operates in California’s Central Valley with 70+ years of experience and a family-owned culture, indicating strong regional ties and potential for ongoing construction, electrical, security, and IT services leverage.

Integrated EPC Capabilities As a premier provider of communications, electrical and underground construction, security solutions, and IT services, Sebastian offers a broad one-stop shop for clients, presenting cross-sell opportunities across multiple projects and industries.

Mid-Market Scale With 201-500 employees and annual revenue in the 100M–250M range, Sebastian sits between small firms and large contractors, suggesting a sweet spot for mid-size project bids and long-term service contracts.

Tech-Enabled Operations Adoption of tools like Google Cloud, MySQL, Zoho, and enterprise platforms implies potential for selling further IT and cloud-based management, cybersecurity, and data services to optimize project delivery.

Growth & Expansion Signals Active in a growth-focused construction and services sector with recent capability breadth; opportunities exist to offer modern security, IT services, or advanced communications deployments to expand project scopes.

Similar companies to Sebastian

Sebastian Tech Stack

Sebastian uses 8 technology products and services including Power BI, AutoCAD, Amazon Web Services, and more. Explore Sebastian's tech stack below.

Sebastian's Email Address Formats

Sebastian uses at least 4 email formats:
Sebastian Email FormatsExamplePercentage
FLast@sebastiancorp.comJDoe@sebastiancorp.com
86%
Last@sebastiancorp.comDoe@sebastiancorp.com
11%
First.Last@sebastiancorp.comJohn.Doe@sebastiancorp.com
2%
FiLast@sebastiancorp.comJoDoe@sebastiancorp.com
1%

Frequently Asked Questions

What is Sebastian's phone number?

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You can contact Sebastian'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 Sebastian's official website and social media links?

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Sebastian's official website is sebastiancorp.com and has social profiles on LinkedIn.

How much revenue does Sebastian generate?

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As of August 2026, Sebastian's annual revenue is estimated to be $100M - $250M.

What is Sebastian's SIC code and NAICS code?

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Sebastian's SIC code is 7381 - Detective, Guard, and Armored Car Services and NAICS code is 23 - Construction.

How many employees does Sebastian have currently?

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As of August 2026, Sebastian has approximately 270 employees across 6 continents, including North America, Europe and South America. Key team members include Ceo: V. P., Chief Executive Officer: A. M. A. and Chief Executive Officer: L. K. Explore Sebastian's employee directory with LeadIQ.

What industry does Sebastian belong to?

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Sebastian operates in the Construction industry.

What technology does Sebastian use?

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Sebastian's tech stack includes Power BI, AutoCAD, Amazon Web Services, Sucuri, Microsoft SQL Server, Bluebeam, HubSpot and VMware.

What is Sebastian's email format?

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Sebastian's email format typically follows the pattern of FLast@sebastiancorp.com. Find more Sebastian email formats with LeadIQ.

When was Sebastian founded?

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Sebastian was founded in 1946.
Sebastian logo

Sebastian

ConstructionCalifornia, United States201-500 Employees

Sebastian is a mid-sized construction and services firm based in Fresno, California, serving the Central Valley. The company is family-owned and emphasizes the expertise of its team, drawing on more than seven decades of experience. It offers a coordinated suite of services that spans communications, electrical and underground construction, security solutions, and IT services. Its client base includes organizations seeking integrated infrastructure, security, and technology capabilities to support their operations in the region. Positioned within the construction industry, Sebastian combines traditional contracting work with technical service delivery to address multi-disciplinary needs in Central Valley projects. The company is rooted in Fresno and reflects a long-standing, family-oriented approach to project delivery.

Section iconCompany Overview

Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
23 - Construction
Founded
1946
Employees
201-500

Section iconFunding & Financials

  • $100M - $250M

    Sebastian's revenue is estimated to be in the range of $100M - $250M

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