California Water Service Group (NYSE:CWT) is included among the 14 Best Mid-Cap Dividend Stocks to Buy Now. California Water Service (CWT) Moves to Take Full Control of BVRT in Texas Expansion Push On January 8, California Water Service Group (NYSE:CWT), which already owns a majority stake in BVRT Utility Holding Company LLC (BVRT) through its subsidiary TWSC, Inc. (Texas Water), said it has agreed to buy the remaining ownership interests in BVRT. If completed, the deal would make the company the sole ow ...