Cobold Eksports
- Manufactures Expandable Polystyrol (EPS), a building insulation material. Page includes product composition and list of physical characteristics. [English, Latvian, Lithuanian, Estonian, German, Russian]
- http://www.cobold.lv/

Latvian Peat Producers Association
- Provides an overview of the extraction and uses of Latvian peat, and contact information of the member companies.
- http://www.peat.lv/

Lode
- Produces ceramic building materials. Page includes company history, product photos and list of dealerships. Marketing and sales office is in Riga. Factories are located in Liepa, Kalnciems, and Livani.
- http://eng.lode.lv/

Baltijas Gumijas Fabrika
- Manufacturing of rubber technical parts, rubber compounds.
- http://www.bgfrubber.com/