Parts & Services for All Brands

We Know Service.

Quality on-site customer service from experienced professionals.
In addition to the highest quality products, EDI is pleased to offer superior customer & field services. EDI is able to provide these services directly from the EDI Headquarters in Columbia, Missouri, as well as maintaining localized field offices worldwide.

Our Team


Please don’t hesitate to get in touch regarding any questions.

Free consultation
5601 Paris Road
On-site Staff Training & Troubleshooting

Inspect Installation & Supervision

Start-up Services & Maintenance Training


The SiteWorksTM division of EDI/ Nexom maintains special equipment, tools, and skilled Field Service professionals for installation and service on any aeration construction or maintenance project. Contractors, owners, and operating companies can better utilize their own personnel, equipment, and resources by enlisting the support of the SiteWorksTM Division.

Experienced installers have the training, knowledge, and tools to do a job quickly and exactly to the manufacturer's specifications. Superior products and experts with years of experience can help clients save money and time. Familiarity with products and exceptional use of teamwork reduces time and increases quality.


Aeration Works




Diffuser ExpressTM is your single-source resource for all your membrane diffuser replacement or upgrade needs. All products provided by Diffuser ExpressTM can be considered "brand neutral" and used to replace most major brands currently on the market. Having EDI's inventory to choose from means you can rely on Diffuser ExpressTM to provide you with the parts you need on a quick turn-around basis. EDI provides competitive prices, since pricing is always a consideration!

Diffuser ExpressTM is committed to excellence in supplying diffusers, replacement membranes, and specialty diffuser items across all brands for new and existing water and wastewater treatment applications.

Diffuser Express