"Latvijas Pazemes Ūdeņi", LTD
"Urbšanas centrs", LTD
"Stamars" water-supply systems
"BELL Serviss", LTD
"Simalsan", LTD
"Siltumbūve", LTD
"Rockmole", LTD
"Karme filtrs", water technology center
"Aironi", LTD, Waste collection services
