IOI is a solution-focused company that offers products and services designed to meet the needs of businesses today. IOI’s cloud based payroll and human...

resource services are continually enhanced using input from our clients on how we can ease the load of managing employees. We offer a user-friendly web-based platform that can serve any size employer base—from one employee to a workforce of thousands. IOI also includes offerings to support a workforce that is mobile and on the go. With IOI’s proprietary platform, we are able to be flexible and responsive to the demands of the marketplace.

Why Outsource?

Critical reasons companies choose to outsource are: compliance, cost savings and efficiency in managing the data of your most expensive asset – your employees. IOI offers you all of these things in a comprehensive solution. It’s simple. Outsourcing your payroll to IOI offers you peace of mind. IOI will handle processing all of the details involved with payroll from tax filings, benefit accruals, medical deductions, and much more. This is what we do, day-in and day-out.

Outsourcing your payroll is a good idea when you consider the cost and risk involved when handling payroll in-house. The average cost per pay is between $2 and $6 depending on what ancillary services are added. When you consider what a per pay, cost would be if you run payroll in-house (salary, time involved, materials involved…), beyond managing the compliance, it really becomes obvious that outsourcing makes the best business sense.

Wouldn’t you rather focus on your core business instead of administrative details required with payroll? Not to mention the tedious details involved with tax filings and worry about the timeliness of those payments. Outsourcing all those functions to the professionals is only logical. Save time and anxiety and outsource to IOI. With IOIPay, you can easily coordinate all the details, including tax preparation and filing, even if in multiple states. Rest assured, we have it covered.


Whether you have one employee or thousands, IOI can handle your payroll needs. Interlogic Outsourcing, Inc. (IOI®) is the successor to Interlogic Systems, Inc. (“ISI”), a payroll and employer services company founded by Najeeb A. Khan in 1987.

IOI has grown from a single location in Elkhart, Indiana to become one of the nation’s leading payroll processing providers serving thousands of clients through eleven (11) offices across the nation. IOI serves a wide range of industries and professions, including, but not limited to: manufacturing, not-for-profit, education, religious, healthcare, financial institutions, restaurants, and hospitality service sectors.

The central focus has and always will be to provide our clients with the best payroll experience possible. IOI has the infrastructure in place to give our clients the customer service response they need. Our clients get a live person when they call IOI so we can service our clients quickly and efficiently. A recorded voice menu can be a very frustrating experience when you need service and that is why our pledge to our clients is always a live person when they call IOI.

Our award winning software, IOIPay®, allows you to easily record, track and store payroll data in our private cloud for up to 10 years. This software has earned the bronze award from TopTenREVIEWS for its full suite of payroll services, outstanding, features and accounting software integration.

Prior to receiving the TopTenREVIEWS award, IOI was recognized with the Service Award for Large Service Bureau by the Independent Payroll Providers Association in recognition of our outstanding customer service. We operate on an “exceed the client’s expectation” philosophy which has earned a client retention rate near 96%. By calling the toll-free number during normal business hours, clients can reach a live customer service representative for personal service and support.

Products and Services

IOI offers a full suite of products and services to help make your human resources department run smoothly. Products include:


Web-based payroll & HRIS solution

Payroll tax filing & tax deposits

Direct deposit

Benefit accruals

Labor distribution

General ledger integration

Comprehensive online report archive

Paperless options

Third party payments

SSAE16 Type II audited company

Human Resource Information Systems (HRIS)

Benefit tracking

OSHA reporting

Performance reviews

Job descriptions


Compliance reportings

Employee Self-Service

Access to paystubs and W2s

Check paid leave status

Mobile app available

I-Center Advanced Reporting Options

Access extensive report library

Create & schedule customized reports

View & generate reports in Excel, PDF, HTML, Charts

Time & Attendance

Biometric time clocks

Time clock terminals

Web timesheet

Read More

Give your employees quick access to their pay stub data, W-2s, and more with IOI's Employee Self-Service tools.

Enhance your payroll, HR, and time collection processes with the complete suite of payroll services from IOI.

"Overall, IOIPay is a thorough online payroll solution worth consideration for your business. 9.4/10" - toptenreviews.com

How can we help your business?

Easy-to-use payroll services with unmatched customer service.

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IOI® and IOIPay® are registered trademarks of Interlogic Outsourcing, Inc.