Insights

Stable regional player San Francisco based unionized plumbing and mechanical piping contractor with over 40 years in business and annual revenues in the 10-25M range, indicating a reliable pipeline for mid-market projects in the Bay Area.

Integrated services Offers both plumbing and mechanical piping for commercial and residential housing, enabling cross-selling opportunities to General Contractors and Owners during project scopes that require cohesive HVAC and plumbing solutions.

Bay Area focus Concentrated service footprint in the Bay Area with established relationships with Local 38, suggesting opportunities with local developers, GC firms, and owners pursuing union labor certifications and occupancy timelines.

Tech-enabled operations Adopts common business and web technologies (Microsoft 365, Bootstrap, jQuery, etc.) which can support digital proposals, project management integration, and streamlined vendor communications for faster opportunity qualification.

Growth and scale potential Revenue range and modest employee base relative to larger market players indicate room to position for larger commercial projects, institutional bids, or multi-site residential builds by leveraging union credentials and private company stability.

Similar companies to O'Brien Mechanical, Inc. II

O'Brien Mechanical, Inc. II Tech Stack

O'Brien Mechanical, Inc. II uses 8 technology products and services including Microsoft 365, Font Awesome, FancyBox, and more. Explore O'Brien Mechanical, Inc. II's tech stack below.

  • Font Awesome
    Font Scripts
  • FancyBox
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • OWL Carousel
    Javascript Libraries
  • Wow
    Marketing Analytics
  • Bootstrap
    UI Frameworks
  • GoDaddy
    Web Hosting

O'Brien Mechanical, Inc. II's Email Address Formats

O'Brien Mechanical, Inc. II uses at least 3 email formats:
O'Brien Mechanical, Inc. II Email FormatsExamplePercentage
FirstL@obmi2.comJohnD@obmi2.com
79%
FLast@obmi2.comJDoe@obmi2.com
17%
First@obmi2.comJohn@obmi2.com
4%

Frequently Asked Questions

What is O'Brien Mechanical, Inc. II's phone number?

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You can contact O'Brien Mechanical, Inc. II'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'Brien Mechanical, Inc. II's official website and social media links?

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O'Brien Mechanical, Inc. II's official website is obmi2.com and has social profiles on LinkedIn.

How much revenue does O'Brien Mechanical, Inc. II generate?

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As of October 2026, O'Brien Mechanical, Inc. II's annual revenue is estimated to be $10M - $25M.

What is O'Brien Mechanical, Inc. II's SIC code and NAICS code?

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O'Brien Mechanical, Inc. II's SIC code is 7699 - Repair Shops and Related Services, Not Elsewhere Classified and NAICS code is 23 - Construction.

How many employees does O'Brien Mechanical, Inc. II have currently?

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As of October 2026, O'Brien Mechanical, Inc. II has approximately 15 employees across 2 continents, including North America and Europe. Key team members include Assistant Project Manager: M. F., Principal: C. B. and Project Engineer: P. V. Explore O'Brien Mechanical, Inc. II's employee directory with LeadIQ.

What industry does O'Brien Mechanical, Inc. II belong to?

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O'Brien Mechanical, Inc. II operates in the Construction industry.

What technology does O'Brien Mechanical, Inc. II use?

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O'Brien Mechanical, Inc. II's tech stack includes Microsoft 365, Font Awesome, FancyBox, jQuery, OWL Carousel, Wow, Bootstrap and GoDaddy.

What is O'Brien Mechanical, Inc. II's email format?

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O'Brien Mechanical, Inc. II's email format typically follows the pattern of FirstL@obmi2.com. Find more O'Brien Mechanical, Inc. II email formats with LeadIQ.

When was O'Brien Mechanical, Inc. II founded?

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O'Brien Mechanical, Inc. II was founded in 1972.
O'Brien Mechanical, Inc. II logo

O'Brien Mechanical, Inc. II

ConstructionCalifornia, United States11-50 Employees

O'Brien Mechanical, Inc. II is a San Francisco-based contractor specializing in plumbing and mechanical piping. Affiliated with Union Local 38, the company provides these services to general contractors and owners across the Bay Area. Its work spans both commercial projects and residential housing.

Founded in 1972, the privately held firm is based in San Francisco. Its Bay Area focus and union affiliation position it as a local provider of plumbing and mechanical piping services for both commercial and residential construction projects.

Section iconCompany Overview

Phone number
Website
obmi2.com
SIC Code
7699 - Repair Shops and Related Services, Not Elsewhere Classified
NAICS Code
23 - Construction
Founded
1972
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    O'Brien Mechanical, Inc. II's revenue is estimated to be in the range of $10M - $25M

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