Oliver-Distributing-CompanyWelcome to Seaway Janitorial Supplies in Chicago


Seaway Supply...Chicago's Most Trusted Janitorial Supply Distributor

Seaway Supply Loading Dock

More Than Just Janitorial Supply Inventory ...
We Deliver Consultation, Accountability, and Reliability

IN A WORLD OF PINGS, little blue birds and a race to see how many "likes" one can get, Seaway Supply Co. embraces the value of good, honest business and delivering reliability with the best janitorial supply products and facility maintenance supplies at the best prices.

It is how we've done business for nearly 50 years and how we continue to cultivate our long-term partnerships. 

Our 30,000+ square foot warehouse in Maywood is centrally located to the entire Chicagoland area. We carry a full range of janitorial supplies ... from burnishers to brooms, from stone care products to sanitizers... and everything inbetween. Our huge inventory guarantees on-time delivery of the facility maintenance products you need.

At Seaway Supply, our team has over 60 years of janitorial and maintenance supply experience. That makes a difference in your bottom line, as we find the most effective, most economical solutions to your facility needs.

Trust Seaway Supply Co. with Your Janitorial Supply and Maintenance Needs

Ask about our FREE DELIVERY!

Our customer support includes:

  • Decades of real-world maintenance experience
  • Updating with new products and procedures
  • Full service in-house equipment repair
  • Equipment Rental
  • Training Seminars on-site

Our product line includes:

  • Cleaning Chemicals/Supplies
  • Maintenance Equipment
  • Stone Care Products
  • Packaging and Shipping Materials
  • Laundry Equipment and Chemicals
  • Away-from-Home Paper Products
  • Liners and Receptacles



 Spartan Chemical DispenserGreen and Bio-Based Cleaning Chemicals

Advance Floor Machine

Equipment Rental, Service and Repair

Seaway Delivery TrucksFast, Accurate, No-Hassle Delivery



Online Ordering


Chicago's preferred wholesale distributor of quality janitorial and maintenance supplies

Cleaning Chemicals
Paper Products
Floor Machines
Microfiber and Mops
skin care
Safety Products
ISSA video library
15 North 9th Avenue - Maywood, IL 60153

We are centrally located in the Chicago area. From our Maywood, IL headquarters we serve the 35 mile+ radius of the Chicago area ... from Aurora to Gary, IN; from Kankakee to Rockford.


Visit our YouTube page
for machine tutorials

Copyright 2012-2016                since 1966  Seaway Supply Company | 15 N. 9th Avenue| Maywood, IL 60153