BH - Season 1, Episode 4 - It's My Party and I'll Spend if I Want To

Taylor goes shopping for Kennedy's birthday party and buys Barbie necklaces for all her guests, her daughter and herself.  She then throws a 50k party for her daughters 4th birthday with help from her friend Dana Wilkey
Still Open - Alan Friedman
Closed - Sky Flowers
Still Open - The Houdini Estate

Meanwhile Kyle throws the Beverly Hills version of a low key kids party for Portia
Still Open - Zebra Entertainment

Still Open - Road 36 Productions

It's Lisa's birthday and they surprise her with her son Max.  A few days later they go visit a college as an option for Max
Closed - Villa Blanca
Still Open - Musicians Institute