Cox Engineering: Detailed Company Information & Corporate Profile
Summary
Cox Engineering, established in 1914 and headquartered in Randolph, Massachusetts, operates as an independent mechanical contracting firm within the building sector, employing between 200 and 500 professionals.
With a comprehensive suite of services that includes HVAC mechanical construction, commercial HVAC installation and maintenance, custom air handling units, sheet metal fabrication and prefabrication, pipe assemblies, and full-scale mechanical solutions for Boston-area projects, the company delivers specialized expertise across the industry.
The organization is guided by executives such as James Russo (Business Development Coordinator), Ryan MacDonald (Executive Vice President & General Counsel), Jeremy Storm (Mechanical Coordinator), Peter McLean (Executive Vice President, Service), Hephzibah (Lead Mechanical Coordinator), and others who manage safety, quality, construction, bidding, learning, finance, and operations.
Operating within the Greater Boston DMA and classified under SIC Code 6500, Cox Engineering reports annual revenues between $100 million and $500 million, reflecting its substantial presence in mechanical construction markets.
| Cox Engineering Website | coxengineering.com |
| Social Links |    |
| Phone Number | 7813023300 |
| Industries | |
| Cox Engineering Headquarters Address | 21 Pacella Park Dr, Randolph, Massachusetts, 02368 US |
| Company Size | 200-500 employees |
| Specialities & Services | Mechanical Contracting, 24/7 Emergency Service, Sheet Metal Fabrication, Fabrication, Manufacturing, Prefabrication, HVAC Mechanical Construction, HVAC Service, HVAC Construction, Commercial HVAC, Sheet Metal Prefabrication, Pipe Assemblies, Custom Air Handling Units, Custom Fabrication, HVAC Service And Maintenance, Pipe Work, Fabrication and Manufacturing, HVAC Pipe, HVAC Ductwork, Boston Construction, Mechanical Solutions |
| Technologies | jQuery, jsDelivr, Nginx, Flask, Magento, PHP, ASP.NET |
| SIC Code | 6500 |
| DMA Code | Greater Boston |
| Founded | 1914 |
| Estimated Annual Revenue | $100M - 500M |
| Operating Status | Independent Company |
| Updated: | 2026-09-29 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 1990 | Public Company | 50K - 100K | |
| 1997 | Public Company | 10K - 50K | |
| 1902 | Public Company | 50K - 100K | |
| 1939 | Privately Held | 10K - 50K |
Estimated Website Traffic
The chart shows a decline in traffic to the coxengineering.com website. In September, traffic decreased to 806, compared to 918 in the previous month. The highest traffic in 2026 was recorded in August, reaching 918 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Cox Engineering's workforce includes employees across a wide range of tenure levels.
5% have been with the company for less than 1 year19% have been with the company for 1 to 2 years10% have been with the company for 3 to 4 years14% have been with the company for 5 to 7 years10% have been with the company for 8 to 10 years43% have been with the company for more than 11 years
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Cox Engineering Corporate Information: FAQ
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