
We are the
Nelson Companies
From eco-conscious drinking straws to industrial regulators, we unite innovative companies.
Our Companies
PremiumConwin
01

Balloon Accessories & Inflators, Industrial Regulators
The next evolution Conwin Carbonics and Premium Balloon Accessories, the new combined PremiumConwin is an industry leader in the balloon, racing, automotive, food & beverage, and medical regulator industries.
PremiumConwin
Cell-O-Core
The Industry's Most Trusted Straw Manufacturer
Established in 1945, Cell-O-Core produces more than 20 million drinking straws, stirrers, cutlery, and consumables every day – proudly manufactured in the USA.
02

Cell-O-Core
03

Penka
Penka | Strategic Partnership
100% Biodegradable Agave
Bio-Plastic Straws & Cutlery
The world's first and finest 100% eco-friendly, safe, biodegradable, and high-quality straws, cutlery, cups, and commodity products are revolutionizing the industry and revitalizing the world's ecosystems – manufactured exclusively by Cell-O-Core.