Complex sentence: Beginning in 1993 some states began to play a more active role in the sector and until 1999 five decentralized water companies were created with a strong presence of the state governments (see above under service provision).
Split into simpler sentences: Beginning in 1993 some states began to play a more active role in the sector. Until 1999 five decentralized water companies were created with a strong presence of the state governments (see above under service provision).