273,990 companies in Industrial & mechanical in Connecticut.
Explore 273,990 Industrial & mechanical in Connecticut listed with contact details, employee size, revenue, and NAICS/SIC codes. Compare suppliers and service providers side by side and reach the right companies directly, or view the same industry in Industrial & mechanical in California, Industrial & mechanical in Florida, Industrial & mechanical in Texas.
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | State of Connecticut | Hartford | 225,000 | $12.4B |
| 2 | Hrb Brands | Westport | 50 | $10B |
| 3 | Gartner Inc | Stamford | 20,244 | $6.5B |
| 4 | Metsä Group | Espoo | 9,500 | $6B |
| 5 | Yale University | New Haven | 11,590 | $5.9B |
| 6 | Alternative Energies and Atomic Energy Commission | — | 21,000 | $4.8B |
| 7 | Cartus Corp | Danbury | 4,564 | $4.7B |
| 8 | AAC Technologies Holdings | Shenzhen | 36,833 | $2.9B |
| 9 | Schüco International | Bielefeld | 6,750 | $2.5B |
| 10 | Legrand North and Central America LLC | West Hartford | 9,200 | $2.5B |
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 270,074 | 98.6% |
| 51-200 | 3,019 | 1.1% |
| 201-1000 | 753 | 0.3% |
| 1001-5000 | 87 | 0.0% |
| 5001+ | 37 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 270,712 | 98.9% |
| $10M-$50M | 2,443 | 0.9% |
| $50M-$250M | 436 | 0.2% |
| $250M-$1B | 59 | 0.0% |
| $1B+ | 19 | 0.0% |
Share is of companies with a known value — 273,970 with headcount and 273,669 with revenue on file, as of Jul 17, 2026.
There are 273,990 Industrial & mechanical in Connecticut in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
320 of the 273,990 companies in Industrial & mechanical in Connecticut employ more than 500 people, and 19 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
Most are small and mid-sized businesses: the size and revenue tables above show the full spread, from under $10M up to $1B+, across the 273,669 companies with revenue on file.
Every listing includes the company name, location, website, employee size, revenue range where available, and NAICS/SIC classification, with a link to the full profile.
Listings are compiled and maintained by Factur, a sales and marketing firm for B2B manufacturers. Any company can request an update or removal from its profile page.