Your single source for inventory management and supply chain solutions.


Healthcare Facilities


Transactions Processed


Monthly Active Users

For over 14 years, Inventory Optimization Solutions (IOS) has offered cloud-based inventory management tools.  We’ve been the industry standard for maximizing efficiency along the supply chain from manufacturer, GPO and distributor to the healthcare provider.

We serve your facility’s needs

Envi Surgical

  • Surgery Centers
  • Surgical Hospitals
  • Critical Care Facilities

Envi Clinical

  • Physician Offices
  • Medical Groups
  • Urgent Care Facilities

Envi Hospital

  • Hospitals
  • IDN
  • Care Continuum

Enterprise visibility (Envi)

Connect and integrate your entire organization.

What our clients say

“Each module within the platform works together like pieces of a puzzle.”

– Stormy Thomas

“With the complexity of today’s healthcare supply chain stream, IOS has helped us facilitate a method of increasing visibility to our purchase data and automating many of our procurement activities across our 275+ sites.” – Stephanie Phillips
“One of the biggest efficiencies we gained was in the invoice processing area. Envi took us from getting multiple paper invoices every day to being able to manage them electronically in a system.” – Ashlee Stafford
“My favorite part of the system is being able to submit an order to multiple vendors in five minutes or less. Scan, approve orders, order, done.” – Jason Meyer

Why clients love Envi®


Our solutions are simple and easy to use, with applications available for PCs, tablets, and mobile devices.

Cost Effective

With Envi, you’ll realize immediate savings.

Great Analytics

Envi was built with one of the most flexible reporting and data extraction utilities available.

Awarded Top 25 Best Procurement Solution

IOS is ranked in the top 25 procurement solution providers across all industries by CIO Applications.

See Envi® in action

See how Healthcare’s Smarter Supply Chain® can transform your procurement process.

Recent News

Congratulations to HealthCare Express – Winner of the 2nd Quarter 2017 Contest

Ashlee and team successfully automated true inventory management at 14 Urgent Care facilities spanning four states!

Congratulations to MedBridge – Winner of the 1st Quarter 2017 Contest

MedBridge submitted their article on automating and streamlining the procurement process.

IOS and Texas Health Resources Join Forces

IOS and Texas Health Resources Join Forces to Offer Proven Supply Chain Technology and Consulting Services

Automate The Entire Procure to Pay Process

Congratulations to Bethel Home for winning the IOS 4th quarter contest

Eliminating Cost from the Supply Chain | Women’s Healthcare Associates

Congratulations to Women’s Healthcare Associates, 3rd Qtr Winner of the IOS Best Practice Contest

2-Bin Par Management Program

2-Bin is a simple, yet effective system for replenishing inventory; and it’s easy to implement and maintain.

Texas Health Resources (THR) Wins 2nd Qtr Best Practice Contest

Please congratulate Stormy Thomas at Texas Health Resources for her outstanding accomplishments.

Crystal Run Healthcare wins IOS First Quarter Contest

Please congratulate Kevin Keller and team at Crystal Run Healthcare for their outstanding accomplishments.

New ENVI Release 3.1.9

IOS announced the release of ENVI version 3.1.9 This version will be deployed on December 10, 2015.

New ENVI Release 3.1.2

IOS announced the release of ENVI version 3.1.2 This version will be deployed on August 28, 2015.