1. SISO 50th Anniversary Gala Dinner

Join us for a memorable evening as we celebrate 50 years since the founding of SISO. The SISO 50th Anniversary Gala Dinner will bring together members, partners, and industry leaders for a night of celebration, recognition, and meaningful connections.

Stay tuned for official announcements and registration details. It’s going to be a night to remember!

1. 50th Anniversary Logo Design Competition

To celebrate our 50th anniversary, we launched a Logo Design Competition, inviting creative minds to design a logo that reflects our legacy and aspirations for the future.

We received many inspiring submissions and are proud to showcase the top four winning designs — one 1st Prize and three Merit Awards — selected by our judging panel for their creativity, relevance, and impact.

Congratulations to all our winners!

View the winning designs below:

Thank you to everyone who participated and made this competition a meaningful part of our 50th anniversary celebrations!

2. SISO Family Colouring Competition

In celebration of SISO's 50th Anniversary, we hosted a Family Colouring Competition!

Open to the children and grandchildren of SISO members aged 3 to 16, the competition served as a fun and creative way to promote safety education and strengthen family bonds.

A heartfelt thank you to all participants for your enthusiastic submissions and support in making this competition a success!

In celebration of SISO’s 50th Anniversary, we’re offering exclusive membership rates for 2025! Whether you're a current member or joining us for the first time, this is the perfect time to renew or sign up and enjoy the benefits of being part of Singapore’s leading WSH community. 

See the poster below for the pricing: