Insights

Integrated Construction Tech Sebastian operates across communications, electrical, underground construction, security solutions, and IT services in California’s Central Valley, presenting multiple cross-sell opportunities for technology, security, and infrastructure services to a single regional client.

Stable Mid-Market With 201-500 employees and annual revenue in the 100M-250M range, Sebastian sits in a stable mid-market segment, suggesting potential for larger contract awards, preferred vendor programs, and enterprise-grade service agreements.

Longstanding Expertise A 70+ year family-owned operation highlights trust, reliability, and deep local relationships, which can be leveraged for strategic partnerships, project financing conversations, and expanded maintenance or retrofit services.

Tech Stack Modernization The use of Microsoft SQL Server, WordPress, and modern front-end tooling indicates openness to IT modernization, data-driven project management, and digital customer experience enhancements that can benefit from managed IT services, cybersecurity, and cloud integration.

Regional Growth Opportunities Focusing on California’s Central Valley with expanding IT, security, and infrastructure needs positions Sebastian to explore regional expansion services, security system upgrades, and enterprise-grade communications and networking solutions for upcoming capital projects.

Similar companies to Sebastian

Sebastian Tech Stack

Sebastian uses 8 technology products and services including Nortel, WordPress, Zoho, and more. Explore Sebastian's tech stack below.

  • Nortel
    Communications Technology
  • WordPress
    Content Management System
  • Zoho
    Customer Relationship Management
  • MySQL
    Database
  • Google Cloud
    Infrastructure As A Service
  • Slick
    Javascript Libraries
  • Datto
    Security
  • Twitter
    Widgets

Sebastian's Email Address Formats

Sebastian uses at least 1 format(s):
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 July 2026, Sebastian's annual revenue is estimated to be $100M - $250M.

What is Sebastian's SIC code NAICS code?

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

How many employees does Sebastian have currently?

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As of July 2026, Sebastian has approximately 269 employees across 5 continents, including North AmericaEuropeSouth America. Key team members include Ceo: V. P.Chief Executive Officer: A. M. A.Owner: G. R.. 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 NortelWordPressZohoMySQLGoogle CloudSlickDattoTwitter.

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

Section iconFunding & Financials

  • $100M - $250M

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

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