Insights

Expansion and Investment ACCO Engineered Systems has demonstrated significant growth through strategic acquisitions and asset investments, including the recent $12 million purchase of a large industrial property in Sparks, Nevada. This indicates ongoing expansion efforts that may require advanced mechanical, HVAC, and automation solutions.

Market Leadership As one of the largest mechanical contractors in the United States and the leading HVAC provider in California and the Southwest, ACCO’s extensive project portfolio and regional dominance present numerous opportunities for suppliers and service providers to partner on sizable commercial and industrial projects.

Financial Strength With revenues estimated between one to ten billion dollars and recent high-value real estate transactions like the $112 million office building acquisition, ACCO’s robust financial position suggests capacity for large-scale projects and long-term service contracts.

Technological Adoption Utilizing a high-tech stack including Procore, DocuSign, and other modern tools, ACCO emphasizes innovative project management and automation, creating potential opportunities for suppliers of construction tech, building automation, and digital solutions.

Employee Ownership Model As a 100% employee-owned ESOP company with a dedicated, long-tenured workforce, ACCO values stability, quality, and expertise, making it a reliable partner for suppliers offering high-quality, sustainable, and employee-friendly solutions aligned with their corporate culture.

ACCO Engineered Systems Tech Stack

ACCO Engineered Systems uses 8 technology products and services including Procore, Font Awesome, Paychex, and more. Explore ACCO Engineered Systems's tech stack below.

  • Procore
    Facilities Management
  • Font Awesome
    Font Scripts
  • Paychex
    Human Resource Management System
  • DocuSign
    Miscellaneous
  • Microsoft Word
    Office Suites
  • JavaScript
    Programming Languages
  • Redline
    Security Information And Event Management
  • Apache
    Web Servers

Media & News

ACCO Engineered Systems's Email Address Formats

ACCO Engineered Systems uses at least 2 format(s):
ACCO Engineered Systems Email FormatsExamplePercentage
FLast@accoes.comJDoe@accoes.com
97%
FiLast@accoes.comJoDoe@accoes.com
1%
LFirst@accoes.comDJohn@accoes.com
2%
FLast@accoservice.comJDoe@accoservice.com
95%
LFirst@accoservice.comDJohn@accoservice.com
3%
FiLast@accoservice.comJoDoe@accoservice.com
1%
FMiddleLast@accoservice.comJMichaelDoe@accoservice.com
1%

Frequently Asked Questions

Where is ACCO Engineered Systems's headquarters located?

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ACCO Engineered Systems's main headquarters is located at 888 East Walnut Street, Pasadena, CA 91101, US. The company has employees across 5 continents, including North AmericaEuropeAfrica.

What is ACCO Engineered Systems's phone number?

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You can contact ACCO Engineered Systems'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 ACCO Engineered Systems's official website and social media links?

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ACCO Engineered Systems's official website is accoes.com and has social profiles on LinkedIn.

How much revenue does ACCO Engineered Systems generate?

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As of October 2025, ACCO Engineered Systems's annual revenue is estimated to be $5B.

What is ACCO Engineered Systems's NAICS code?

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ACCO Engineered Systems's NAICS code is 23 - Construction.

How many employees does ACCO Engineered Systems have currently?

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As of October 2025, ACCO Engineered Systems has approximately 5K employees across 5 continents, including North AmericaEuropeAfrica. Key team members include Chief Financial Officer: H. N.Chief Financial Officer: R. B.Chief Engineer: J. E.. Explore ACCO Engineered Systems's employee directory with LeadIQ.

What industry does ACCO Engineered Systems belong to?

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ACCO Engineered Systems operates in the Construction industry.

What technology does ACCO Engineered Systems use?

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ACCO Engineered Systems's tech stack includes ProcoreFont AwesomePaychexDocuSignMicrosoft WordJavaScriptRedlineApache.

What is ACCO Engineered Systems's email format?

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ACCO Engineered Systems's email format typically follows the pattern of FLast@accoes.com. Find more ACCO Engineered Systems email formats with LeadIQ.
ACCO Engineered Systems

ACCO Engineered Systems

ConstructionUnited States5001-10000 Employees

Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than 250,000 mechanical projects. ACCO is dedicated to the design, fabrication, installation, maintenance and service of commercial and industrial HVAC, refrigeration, plumbing, process piping, and building automation systems. 

ACCO offers complete in-house engineering, fabrication, installation, commissioning, and service capabilities. This integrated delivery system provides customers with the most practical, cost effective solutions for their particular mechanical and control system requirements. Through innovative engineering, comprehensive design solutions, consistent work quality, and qualified maintenance; ACCO confidently delivers the best possible solution.

Over the years, we've grown at a dynamic pace, becoming one of the largest mechanical contractors in the country. To accommodate our increasing product offerings, we’ve expanded with Sunbelt Controls, Sunbelt Electric, Smith MEP, Geo. H. Wilson, PLS Companies and AES Industrial. 

What’s great about working here is that we’re a big enough company to be the leader in HVAC mechanical contracting in California and the Southwest U.S., but as a 100% employee-owned ESOP, we’re a private company with a family-oriented feel. Together, the employees of ACCO are comprised of intelligent, dedicated, and entrepreneurial team members who enjoy what they do. Several of our employees have worked at ACCO for twenty-five, thirty, and even over forty years!

Follow our page to receive updates and job posting notifications.

ACCO is an Equal Opportunity Employer AA M/F/V/D.

Section iconCompany Overview

Headquarters
888 East Walnut Street, Pasadena, CA 91101, US
Phone number
Website
accoes.com
NAICS Code
23 - Construction
Employees
5001-10000

Section iconFunding & Financials

  • $1B$10B

    ACCO Engineered Systems's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    ACCO Engineered Systems's revenue is estimated to be in the range of $1B$10B

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