3,022 companies in Construction in Louisiana.
Explore 3,022 Construction in Louisiana 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.
Construction companies in Louisiana include general contractors and builders and specialty trades such as painting, roofing and glazing contractors, alongside the structural steel fabricators and equipment suppliers that serve Louisiana job sites. Quote-to-order rates for these segments: Manufacturing sales by segment, 2026.
Of the 3,020 with a known headcount, 90% employ 1-50 people and 9 employ more than 1,000. 90% of those reporting revenue are under $10M, while 5 report more than $1B. The largest by revenue include Turner Industries Group LLC (Baton Rouge), Turner Industries Group LLC (Baton Rouge) and MMR Group Inc (Baton Rouge).
The highest-revenue companies in this directory. Open any profile for its full firmographics. Ranked list: Largest Construction Companies in Louisiana (2026).
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | Turner Industries Group LLC | Baton Rouge | 19,000 | $3.2B |
| 2 | Turner Industries Group LLC | Baton Rouge | 19,000 | $3.2B |
| 3 | MMR Group Inc | Baton Rouge | 5,000 | $3.2B |
| 4 | EMCOR Group Inc | Baton Rouge | 3,000 | $1.9B |
| 5 | I&I Soft Craft Solutions | Harahan | 698 | $1.1B |
| 6 | Weeks Marine Inc | Cranford | 1,800 | $979M |
| 7 | Cajun Engineering Solutions LLC | Baton Rouge | 3,500 | $942M |
| 8 | The Lemoine Co | New Orleans | 936 | $808M |
| 9 | GridSource | Baton Rouge | 1,000 | $637M |
| 10 | Sunland Construction Inc | Eunice | 800 | $607M |
These pages show the first 480 of 3,022 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 2,733 | 90.5% |
| 51-200 | 194 | 6.4% |
| 201-1000 | 84 | 2.8% |
| 1001-5000 | 7 | 0.2% |
| 5001+ | 2 | 0.1% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 2,705 | 90.3% |
| $10M-$50M | 229 | 7.6% |
| $50M-$250M | 45 | 1.5% |
| $250M-$1B | 11 | 0.4% |
| $1B+ | 5 | 0.2% |
Share is of companies with a known value — 3,020 with headcount and 2,995 with revenue on file, as of Jul 17, 2026.
There are 3,022 Construction in Louisiana in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
33 of the 3,022 companies in Construction in Louisiana employ more than 500 people, and 5 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 2,995 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.