YOUR ONLINE RESOURCE FOR THE LAB, PLANT & FIELD

Core & Main Supply

Expanding Our Core

We are your one-stop shop for water and wastewater treatment plants, labs, and more. We're dedicated to providing fast and convenient access to thousands of items from brands you trust, with same-day shipping of in-stock items available directly to your facility. For big projects and everyday maintenance, repair, and operations, choose Core & Main Supply.

With national reach and local expertise, Core & Main Supply is the team you can count on.

  • Instruments
  • Meters & Probes
  • Chemicals & Reagents
  • Test Kits

  • Chemical Feed
  • Pumps
  • Safety & PPE
  • Worksite Signage

  • Locators & Leak Detectors
  • High-Viz Safety Equipment
  • Water & Sewage Plugs
  • Suction & Discharge Hoses

View Our Catalog

2023/2024 Lab Essentials  

*$1500 applies to lower 48 states. $4500 minimum required for free shipping to Alaska and Hawaii.