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

$16.589 B

0.02% of all US-listed value

Companies

12

Ranked #131 of 152 industries

Largest

Acuity Inc. (De)

AYI ยท market cap

Average

$1.382 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1Acuity Inc. (De)AYI$9.30B$310.77+1.41% United States
2GriffonGFF$4.41B$97.46+2.46% United States
3Babcock & Wilcox EnterprisesBW$1.09B$7.34+0.00% United States
4Lsi IndustriesLYTS$766.1M$20.56-0.63% United States
5Janus International GroupJBI$609.9M$4.47+1.59% United States
6SKYX PlatformsSKYX$173.4M$1.28+1.59% United States
7Orion Energy SystemsOESX$118.8M$29.04+4.65% United States
8PicoCELAPCLA$69.3M$7.21+8.42% Japan
9Energy FocusEFOI$17.1M$2.68-2.72% United States
10BrenxBRNX$8.49M$2.33-2.92% Israel
11Mingteng InternationalMTEN$8.03M$1.05+2.94% China
12CCSC Technology InternationalCCTG$7.04M$0.52-1.28% Hong Kong

All 12 companies. One row per company, with secondary share classes folded into their primary listing. Updated 23 Sept 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.