Insights

Scale and Presence ACCO Engineered Systems is a large, employee-owned private contractor with 1001-5000 employees and a revenue range of 1B-10B, indicating strong procurement power and potential for multi-site, enterprise-level HVAC, refrigeration, and building automation projects across California, the Southwest, and expanding offices such as Pleasanton.

Strategic Growth Recent expansions include new Pleasanton office and acquisitions/partnerships with Sunbelt Controls, Sunbelt Electric, Smith MEP, Geo. H. Wilson, PLS Companies, and AES Industrial, signaling a broader capability footprint and opportunities to cross-sell integrated mechanical and electrical/controls solutions.

End-to-End Capabilities With in-house engineering, fabrication, installation, commissioning, and service, ACCO offers turnkey solutions for complex mechanical and control systems, creating opportunities to win projects that require tight integration, ongoing maintenance, and performance guarantees.

Financial Confidence Leadership changes, including a new CFO appointed in 2023, plus notable asset investments and high-value projects, suggest financial health and investment willingness, enabling discussions around large-scale contracts, multi-year service agreements, and financing options for upgrades.

Industry Footprint Long-standing track record since 1934, extensive project history (over 250,000 mechanical projects), and strong presence in commercial and industrial HVAC, refrigeration, and building automation position ACCO as a reliable partner for large-scale, government, healthcare, and manufacturing sector opportunities seeking proven outcomes.

ACCO Engineered Systems Tech Stack

ACCO Engineered Systems uses 8 technology products and services including Articulate Storyline, Apple iCloud Mail, Oracle, and more. Explore ACCO Engineered Systems's tech stack below.

  • Articulate Storyline
    Education Management
  • Apple iCloud Mail
    Email
  • Oracle
    Enterprise
  • Zapier
    IT Infrastructure
  • Westlaw
    Legal Solutions
  • GCPay
    Payment Processing
  • Yoast SEO
    Search Engines
  • Apache HTTP Server
    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
96%
LFirst@accoservice.comDJohn@accoservice.com
2%
FirLast@accoservice.comJohDoe@accoservice.com
1%
FiLast@accoservice.comJoDoe@accoservice.com
1%

Frequently Asked Questions

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 July 2026, ACCO Engineered Systems's annual revenue is estimated to be $1B - $10B.

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 July 2026, ACCO Engineered Systems has approximately 2.7K employees across 6 continents, including North AmericaEuropeAfrica. Key team members include Ceo: A. S.Chief Financial Officer: H. N.Vice President Southern Region Sales, Construction: B. R.. 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 Articulate StorylineApple iCloud MailOracleZapierWestlawGCPayYoast SEOApache HTTP Server.

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 logo

ACCO Engineered Systems

ConstructionCalifornia, United States1001-5000 Employees

ACCO Engineered Systems designs, installs, and maintains mechanical systems for commercial and industrial projects, including HVAC, refrigeration, plumbing, process piping, and building automation. The company provides in-house engineering, fabrication, installation, commissioning, and ongoing service, delivering integrated solutions that address both mechanical and control system needs. This turnkey model coordinates design, fabrication, installation, commissioning, and ongoing service under a single delivery system.

Founded in 1934 and based in Pasadena, California, ACCO has grown into a major mechanical contractor serving California and the Southwest. It operates as a private, employee-owned ESOP and has expanded its capabilities through affiliations with Sunbelt Controls, Sunbelt Electric, Smith MEP, Geo. H. Wilson, PLS Companies, and AES Industrial, while also broadening its footprint with a Pleasanton, California office opened in 2025.

Section iconCompany Overview

Phone number
Website
accoes.com
NAICS Code
23 - Construction
Employees
1001-5000

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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