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Insights

Growth potential Costello is a mid-sized Texas civil engineering firm with a broad service portfolio and long-standing client relationships, suggesting opportunities to cross-sell additional engineering disciplines to existing municipal and private sector clients.

Partnerships leverage Recent collaboration with Pape-Dawson Engineers indicates a strategy to expand footprint in Texas; potential partners or subcontracting relationships could be explored to win larger public sector projects.

Digital maturity Adoption of Microsoft Power Platform, AutoCAD, ArcGIS and cloud services demonstrates tech readiness; there is an opportunity to offer advanced design, BIM integration, data analytics or GIS-enabled project optimization tools.

Talent magnet Consistently recognized as a best place to work with low turnover; potential upsell for leadership and training services, professional development partnerships, or strategic hires to support expansion in new markets.

Financial positioning Revenue in the $10–$25M range with a strong Houston presence; target municipal and utility clients with scalable project delivery models and value-based pricing to grow high-margin work.

Similar companies to Costello, Inc.

Costello, Inc. Tech Stack

Costello, Inc. uses 8 technology products and services including HubSpot Analytics, Microsoft Power Apps, Microsoft Power Automate, and more. Explore Costello, Inc.'s tech stack below.

Media & News

Costello, Inc.'s Email Address Formats

Costello, Inc. uses at least 6 email formats:
Costello, Inc. Email FormatsExamplePercentage
FLast@coseng.comJDoe@coseng.com
84%
Last@coseng.comDoe@coseng.com
16%
FLast@costelloinc.comJDoe@costelloinc.com
93%
Last@costelloinc.comDoe@costelloinc.com
4%
FirstLast@costelloinc.comJohnDoe@costelloinc.com
2%
First@costelloinc.comJohn@costelloinc.com
1%

Frequently Asked Questions

What is Costello, Inc.'s phone number?

Minus sign iconPlus sign icon You can contact Costello, Inc.'s main corporate office by phone at
+1-713-783-****
. 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 Costello, Inc.'s official website and social media links?

Minus sign iconPlus sign iconCostello, Inc.'s official website is costelloinc.com and has social profiles on LinkedIn.

How much revenue does Costello, Inc. generate?

Minus sign iconPlus sign icon As of July 2026, Costello, Inc.'s annual revenue is estimated to be $10M - $25M.

What is Costello, Inc.'s SIC code and NAICS code?

Minus sign iconPlus sign iconCostello, Inc.'s SIC code is 6552 - Land Subdividers and Developers, Except Cemeteries and NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Costello, Inc. have currently?

Minus sign iconPlus sign iconAs of July 2026, Costello, Inc. has approximately 106 employees across 3 continents, including North America, Asia and Europe. Key team members include Vice President Municipal Services: S. K., President: G. F. and Owner: C. C. Explore Costello, Inc.'s employee directory with LeadIQ.

What industry does Costello, Inc. belong to?

Minus sign iconPlus sign iconCostello, Inc. operates in the Civil Engineering industry.

What technology does Costello, Inc. use?

Minus sign iconPlus sign iconCostello, Inc.'s tech stack includes HubSpot Analytics, Microsoft Power Apps, Microsoft Power Automate, AutoCAD, Amazon Web Services, KnowBe4, Microsoft Teams and ArcGIS.

What is Costello, Inc.'s email format?

Minus sign iconPlus sign iconCostello, Inc.'s email format typically follows the pattern of FLast@coseng.com. Find more Costello, Inc. email formats with LeadIQ.

When was Costello, Inc. founded?

Minus sign iconPlus sign iconCostello, Inc. was founded in 1991.
Costello, Inc. logo

Costello, Inc.

Civil EngineeringTexas, United States51-200 Employees

Costello, Inc. is a Houston-based civil engineering and surveying firm with a presence in Texas dating back to 1991. It provides a full range of services for residential and commercial development, land planning, utilities, drainage and flood-control projects, water systems, and transportation and structural engineering. The firm attributes its steady growth to a combination of technical expertise and responsive service, and it has been recognized as a top workplace by the Houston Business Journal.

Its client base includes private developers and public agencies, with a track record of delivering projects on time and solving complex site and infrastructure challenges. Costello’s capabilities span drainage, levees and flood control, wastewater and water systems, GIS, surveying, and construction-phase services, among others. Headquartered in Houston, the company has expanded its footprint to work with communities and agencies throughout Texas. In 2023, Costello partnered with Pape-Dawson Engineers to grow its civil engineering practice within Texas and beyond.

Section iconCompany Overview

Phone number
+1-713-783-****
Website
costelloinc.com
SIC Code
6552 - Land Subdividers and Developers, Except Cemeteries
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1991
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $10M - $25M

    Costello, Inc.'s revenue is estimated to be in the range of $10M - $25M

Company Leadership

  • Vice President Municipal Services at Costello, Inc.
    S. K.
    Vice President Municipal Services
    Mobile Phone
  • President at Costello, Inc.
    G. F.
    President
    Mobile Phone
  • Owner at Costello, Inc.
    C. C.
    Owner
    Mobile Phone
  • Owner at Costello, Inc.
    F. B.
    Owner
    Mobile Phone
  • Partner at Costello, Inc.
    J. A.
    Partner
    Mobile Phone

Employee Directory

  • Vice President at Costello, Inc.
    M. N.
    Vice President
    Mobile Phone
  • Vice President Municipal Services at Costello, Inc.
    S. K.
    Vice President Municipal Services
    Mobile Phone
  • Lead Designer at Costello, Inc.
    D. M.
    Lead Designer
    Mobile Phone
  • H And H-Public Infrastructure Department Manager at Costello, Inc.
    M. B.
    H And H-Public Infrastructure Department Manager
    Mobile Phone
  • Project Manager - Structural Division at Costello, Inc.
    M. P.
    Project Manager - Structural Division
    Mobile Phone

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