totalmarketcap

Largest building products companies

Every US-listed building products company we cover — 12 of them — ranked by market capitalisation, with revenue and earnings taken from their SEC filings.

Combined market cap

$19.056 B

0.02% of all US-listed value

Companies

12

Ranked #131 of 152 industries

Largest

Acuity Inc. (De)

AYI · market cap

Average

$1.588 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1Acuity Inc. (De)AYI$10.8B$359.58+0.72% United States
2GriffonGFF$4.86B$107.22+0.86% United States
3Babcock & Wilcox EnterprisesBW$1.39B$9.37-0.11% United States
4Lsi IndustriesLYTS$924.1M$25.17+1.25% United States
5Janus International GroupJBI$757.0M$5.55-0.36% United States
6SKYX PlatformsSKYX$164.1M$1.22+2.52% United States
7Orion Energy SystemsOESX$80.6M$19.70+12.06% United States
8PicoCELAPCLA$78.0M$8.11+18.39% Japan
9Energy FocusEFOI$20.1M$3.19+3.24% United States
10CCSC Technology InternationalCCTG$9.57M$0.70+1.21% Hong Kong
11Mingteng InternationalMTEN$6.74M$0.88-11.89% China
12Brenmiller EnergyBNRG$989.3K$0.38-2.93% Israel

All 12 companies. One row per company — secondary share classes are folded into their primary listing. Updated 9 Aug 2026.

Sectors building products companies sit in

This industry spans more than one sector — Nasdaq classifies each company individually.

Other industries

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered — see methodology.