Companii:
- SIGMA S.R.L.
- SIGMISPROD SRL
- SIGMASOFT SRL
- SIGMET TRANS SRL
- SIGMONT STOCK SRL
- SIGMA SHIP COMPANY SRL
- SIGMA TELECOM SRL
- SIGMIREANA SRL
- SIGMA TEH S.R.L.
- SIGMA SOFT SRL
- SIGMA TRANSPORT
- SIGMA SOUND SRL
- SIGMA TOUR & TRAVEL SRL
- SIGMED CLINICS SRL
- SIGMA TOUR CONSULTING SRL
- SIGMA STAR CONSTRUCT SRL
- SIGMA TOUR SRL
- SIGMATEC COMPANY SRL
- SIGMA TECH SRL
- SIGMA TRANS SRL
- SIGMA TIM PRODUCT SRL
- SIGM HOME PROJECTS SRL
- SIGMA-SOFT SRL
- SIGN 4 SIGN BUSINESS SRL
- SIGMA SRL
- SIGMA TARGET SRL
- SIGMUN PRO CONSULTING SRL
- SIGMER CONSULT SRL
- SIGMA S.R.L.
- SIGMA VITIS SRL
- SIGMA TECH SOLUTIONS SRL
- SIGMA SRL
- SIGMA TECHNOMED SRL
- SIGMA UNU SRL
- SIGMA WAGON SRL
- SIGMATEL COM SRL
- SIGMATEX SRL
- SIGMA VITO NEW SRL
- SIGMEDICAL SERVICES SRL
- SIGMA TOPO SRL
- SIGMA TEAM TEHNOLOGY SRL
- SIGMA & SETI CONSULT SRL
- SIGMA WIND SRL
- SIGMA UNIGROUP SRL
- SIGMASIG AGENT DE ASIGURARE SRL
- SIGMA TOOLS SRL
- SIGMAS ESTCAD SRL-D
- SIGMATHERM SRL
- SIGMA TRANSLATIONS SRL
- SIGMA VISION SRL
- SIGMA ZED SRL
- SIGMA TAU SRL
- SIGN4U SRL
- SIGMA TRANS SRL
- SIGMA-STAR SRL
- SIGMA SOCIETATE COOPERATIVA MESTESUGAREASCA
- SIGMA TROC SRL
- SIGMUN MB 2013 SRL
- SIGMA S.R.L.
- SIGMA UP 2009 SRL
- SIGMA TORA SRL
- SIGMA S.R.L.
- SIGMATECH STANDARD PROIECT SRL
- SIGMA S S.R.L.
- SIGMA S.R.L.
- SIGMA SERCO S.R.L.
- SIGMA SERVICES INTERNATIONAL SRL
- SIGMO EDUARD SRL
- SIGMA SEVEN CONSTRUCT SRL
- SIGMA-TRE DESIGN CONSULTING SRL