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1,637 companies in Construction in New Hampshire.
Explore 1,637 Construction in New Hampshire 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 Construction in California, Construction in Florida, Construction in Texas.
From painting, roofing and glass contractors to general builders and structural steel fabricators, these are the construction companies on file in New Hampshire. Open any profile for its location, size and NAICS code. Quote-to-order rates for these segments: Manufacturing sales by segment, 2026.
Of the 1,634 with a known headcount, 95% employ 1-50 people and 1 employ more than 1,000. 94% of those reporting revenue are under $10M. The largest by revenue include Pike Industries Inc (Belmont), Methuen Construction Inc (Plaistow) and Interstate Electrical Services Corp (Billerica).
Largest Construction in New Hampshire companies by revenue
The highest-revenue companies in this directory. Open any profile for its full firmographics. Ranked list: Largest Construction Companies in New Hampshire (2026).
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | Pike Industries Inc | Belmont | 639 | $188M |
| 2 | Methuen Construction Inc | Plaistow | 165 | $135M |
| 3 | Interstate Electrical Services Corp | Billerica | 588 | $90M |
| 4 | Air2 LLC | Pembroke | 98 | $85M |
| 5 | TJ McCartney Inc | Nashua | 314 | $69M |
| 6 | MTS Services | Londonderry | 101 | $64M |
| 7 | Hoyle Tanner & Associates Inc | Manchester | 100 | $64M |
| 8 | CSI Shelter Technologies | Londonderry | 214 | $64M |
| 9 | PROCON Inc | Hooksett | 305 | $61M |
| 10 | GL Garrad Hassan | Peterborough | 255 | $60M |
These pages show the first 480 of 1,637 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
Construction in New Hampshire companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 1,545 | 94.6% |
| 51-200 | 75 | 4.6% |
| 201-1000 | 13 | 0.8% |
| 1001-5000 | 1 | 0.1% |
| 5001+ | 0 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 1,532 | 94.4% |
| $10M-$50M | 79 | 4.9% |
| $50M-$250M | 12 | 0.7% |
| $250M-$1B | 0 | 0.0% |
| $1B+ | 0 | 0.0% |
Share is of companies with a known value — 1,634 with headcount and 1,623 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many Construction in New Hampshire are there?
There are 1,637 Construction in New Hampshire in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
How many large companies are in Construction in New Hampshire?
4 of the 1,637 companies in Construction in New Hampshire employ more than 500 people. See the size and revenue breakdown above for the full distribution.
What size are most Construction in New Hampshire companies?
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 1,623 companies with revenue on file.
What information is included for each company?
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.
Where does this directory come from?
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.