Insights

Established HVAC Leader Target a company with a long track record in plumbing, process piping and HVAC in the Bay Area. Their historical emphasis on quality, reliability, and innovative installations suggests receptiveness to premium service contracts, preventive maintenance programs, and value-added retrofit projects.

Mid market Scale Operate with 11-50 employees and annual revenue in the 10M–25M range, indicating potential for scalable service agreements, recurring maintenance bundles, and project-based collaborations with contractors or facilities teams in San Jose and surrounding markets.

Legacy and Innovation Leverage their century-long heritage and reputation for technical innovation to position upgrade opportunities, energy efficiency retrofits, and smart building integrations that align with sustainability and cost-reduction goals.

Digital & Operations With a tech stack including MySQL, analytics tools, and business software, there is potential to offer data-driven maintenance, performance dashboards, and streamlined procurement integrations to improve project delivery and customer experience.

Strategic Partnerships Their Bay Area focus and history of major installations suggest readiness for partnership alignments with manufacturers, distributors, and system integrators for larger-scale projects, cross-sell opportunities, and preferred vendor arrangements.

O.C. McDonald Co. Tech Stack

O.C. McDonald Co. uses 8 technology products and services including MySQL, Microsoft Visio, oEmbed, and more. Explore O.C. McDonald Co.'s tech stack below.

  • MySQL
    Database
  • Microsoft Visio
    Dev Tools
  • oEmbed
    Dev Tools
  • Bluebeam
    Document Management Systems
  • Microsoft Excel
    Editors
  • Microsoft
    Miscellaneous
  • YouTube
    Video Players
  • Google Search Console
    Web Analytics

O.C. McDonald Co.'s Email Address Formats

O.C. McDonald Co. uses at least 1 format(s):
O.C. McDonald Co. Email FormatsExamplePercentage
FLast@ocmcdonald.comJDoe@ocmcdonald.com
86%
Last@ocmcdonald.comDoe@ocmcdonald.com
8%
First_Last@ocmcdonald.comJohn_Doe@ocmcdonald.com
6%

Frequently Asked Questions

What is O.C. McDonald Co.'s phone number?

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You can contact O.C. McDonald 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 O.C. McDonald Co.'s official website and social media links?

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O.C. McDonald Co.'s official website is ocmcdonald.com and has social profiles on LinkedIn.

How much revenue does O.C. McDonald Co. generate?

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As of July 2026, O.C. McDonald Co.'s annual revenue is estimated to be $10M - $25M.

What is O.C. McDonald Co.'s NAICS code?

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O.C. McDonald Co.'s NAICS code is 23 - Construction.

How many employees does O.C. McDonald Co. have currently?

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As of July 2026, O.C. McDonald Co. has approximately 33 employees across 1 continents, including North America. Key team members include Administrative Office Assistant: J. M.. Explore O.C. McDonald Co.'s employee directory with LeadIQ.

What industry does O.C. McDonald Co. belong to?

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O.C. McDonald Co. operates in the Construction industry.

What technology does O.C. McDonald Co. use?

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O.C. McDonald Co.'s tech stack includes MySQLMicrosoft VisiooEmbedBluebeamMicrosoft ExcelMicrosoftYouTubeGoogle Search Console.

What is O.C. McDonald Co.'s email format?

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O.C. McDonald Co.'s email format typically follows the pattern of FLast@ocmcdonald.com. Find more O.C. McDonald Co. email formats with LeadIQ.

When was O.C. McDonald Co. founded?

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O.C. McDonald Co. was founded in 1906.
O.C. McDonald Co. logo

O.C. McDonald Co.

ConstructionCalifornia, United States11-50 Employees

O.C. McDonald Co. is a San Jose, California-based construction firm specializing in plumbing, process piping, and HVAC services, including maintenance, repair, and installation. Founded in 1906 by Oren Charles McDonald, the company has a long history of completing demanding installations in the Bay Area, including introducing air conditioning in the city. The business remains family-led, with management passed to the founder's great grandson, Jim McDonald, and operates as a small- to mid-sized contractor that emphasizes workmanship and technical innovation.

Its clients are organizations seeking plumbing, piping, and HVAC service, repair, and installation across the Bay Area, with projects that require reliability and quality workmanship. Within the construction industry, the firm is recognized for its experience with complex installations and sustained performance.

Section iconCompany Overview

Phone number
NAICS Code
23 - Construction
Founded
1906
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    O.C. McDonald Co.'s revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    O.C. McDonald Co.'s revenue is estimated to be in the range of $10M - $25M

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