Commercial cleaning supplies, janitorial products, and expertise that save your business time and money.

100% of our incoming phone calls are answered by a local customer service person.

All of our salespeople and customer service representatives are certified in 27 custodial training programs and are able to use this knowledge to help you.

The GW Brand of cleaning products have been made in the Quad Cities since 1945. They are time-tested and high quality.

Towels

Soap

Tissues

Chemicals

Liners

Welcome to Great Western Supply Co.

Great Western Supply Co. is the leading provider of janitorial supplies and equipment in the Quad Cities & surrounding areas. Our regional delivery & equipment repair fleet, knowledgeable sales team, same-day shipping option and broad expertise across all aspects of the cleaning industry guarantee you'll never be without the items or technical guidance you need to keep your buildings safe and clean. With three fully stocked warehouses across Eastern Iowa and two walk-in locations, we invite you to connect with our team to explore how we can help you save time and money.

Two easy ways to shop online:

Shop with an account: If you are a frequent shopper with an existing customer number, we encourage you to request an account - an online account provides a more streamlined experience by giving you access to tools like custom order pads, special permission settings for multiple users, order history and more. If you are already a customer with a Great Western Supply account number - click here to request your account.
Shop without an account: Fill your cart and checkout using our secure online system - you may still request an account at any time with us.

Our company values are based on the Christian principles of love, respect, honesty, and hard work. We treat our customers, coworkers, and vendors as we would like to be treated. We love and respect our customers and will do whatever it takes to make them happy while using these guiding principles.

Hard Work

Full effort and productivity

Respect

To honor and place great value

Honesty

Truthfulness and Integrity

Love

Choice of commitment, sacrifice, and true caring

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News & Updates

Great Western Supply Introduces Robotic Floor Scrubbing Technology

2/10/2026

Struggling with cleaning staff turnover and inconsistent floor care? Discover how robotic scrubbers are solving labor challenges for Midwest facilities.

Restroom Reputation: How Clean Bathrooms Impact Your Business Image

12/30/2025

Walk into any facility and the restroom tells a story. For senior living communities, it signals dignity and care to touring families. For property managers, it influences tenant renewals. For food processing facilities, it's a critical compliance checkpoint. Clean restrooms aren't just a maintenance task—they're protecting your reputation every single day.

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