ICC COMMONWEALTH: Detailed Company Information & Corporate Profile
Summary
Founded in 1927, ICC Commonwealth is headquartered in Portsmouth, New Hampshire. With a workforce of 100 to 200 employees and annual revenues between $10 million and $50 million, the firm serves the building sector across New England and beyond.
Its portfolio centers on high‑performance infrastructure components: reinforced concrete chimneys, wind towers, steel stacks, natural draft cooling towers, concrete silos, combustion turbine exhaust systems, solar towers, industrial linings, gas & combustion systems, and a full suite of industrial erection services.
The company delivers integrated design and engineering solutions that transition into on‑site construction. Leadership includes Senior Engineer John Dennan, Project Manager Dan Flores, and New England Division Manager David Houston, among others who coordinate project delivery from concept to completion.
| ICC COMMONWEALTH Website | icc-commonwealth.com |
| Industries | |
| ICC COMMONWEALTH Headquarters Address | 1000 Market Street, Portsmouth, NH, 03801 US |
| Company Size | 100-200 employees |
| Specialities & Services | Reinforced Concrete Chimneys, Wind Towers, Steel Stacks, Natural Draft Cooling Towers, Concrete Silos, Combustion Turbine Exhaust Systems, Solar Towers, Industrial Linings, Gas & Combustion Systems, Industrial Erection Services, Design & Engineering, Construction |
| Technologies | HubSpot CMS, jQuery, Cloudflare, Contentful, Flask, Magento, PHP, ASP.NET |
| Founded | 1927 |
| Estimated Annual Revenue | $10M - 50M |
| Updated: | 2026-10-15 |
Subsidiaries and Affiliated Companies
Estimated Website Traffic
The chart shows a decline in traffic to the icc-commonwealth.com website. In September, traffic decreased to 853, compared to 1012 in the previous month. The highest traffic in 2026 was recorded in April, reaching 1862 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
ICC COMMONWEALTH's workforce includes employees across a wide range of tenure levels.
12% have been with the company for 1 to 2 years8% have been with the company for 3 to 4 years12% have been with the company for 5 to 7 years12% have been with the company for 8 to 10 years56% have been with the company for more than 11 years
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ICC COMMONWEALTH Corporate Information: FAQ
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