totalmarketcap

Largest plastic products companies

Every US-listed plastic products company we cover, 9 of them, ranked by market capitalisation, with revenue and earnings taken from their SEC filings.

Combined market cap

$42.137 B

0.04% of all US-listed value

Companies

9

Ranked #113 of 152 industries

Largest

Entegris

ENTG ยท market cap

Average

$4.682 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1EntegrisENTG$21.9B$143.14+0.63% United States
2AptargroupATR$7.85B$123.40-0.84% United States
3Armstrong World IndustriesAWI$6.84B$161.88+1.41% United States
4Newell BrandsNWL$2.39B$5.60+2.19% United States
5Myers IndustriesMYE$1.17B$31.18+0.65% United States
6Karat PackagingKRT$1.01B$50.61+1.48% United States
7Latham GroupSWIM$752.9M$6.40+3.23% United States
8Core Molding TechnologiesCMT$208.1M$23.52-2.81% United States
9Deswell IndustriesDSWL$49.6M$3.12-1.89% China

All 9 companies. One row per company, with secondary share classes folded into their primary listing. Updated 22 Sept 2026.

Sectors plastic products companies sit in

Other industries

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