Where to Start with MS-Teams?


Have a custom software idea and are looking for development? Have an existing application and the programmer has left the scene? We can help. Call us or the form and we'll help you out.

Some of Our Creations

Productivity and Innovation


A SaaS (software as a service) application that allows for entering and calculating payroll and payroll deductions for employees in one place the data can then be used for multiple users of that data. This reduces data entry errors and increases productivity.


Developed for union building trades to aid in organizing employers. Sign-up employees the modern way by a secure online web-form. They simply enter their information and agree to representation. Department of Labor approved email confirmation.

Mobile TrampGuide

The complete National Directory of IBEW local's for your iPhone or Android. Complete with locations of each local, management team, and wages. 3.0 version allows for filtering by wage and type of classification.

SMS for SMB's

You'll be able to create groups and individuals. View individual conversations, attach images, we can even send your messages to your companies Slack Channel. Automated messaging, custom messaging. Just use your imagination, that's why we're here.

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Callow and Company, Inc.
4141 Horizon North Pkwy
Suite 515 
Dallas, TX 75287


Phone: +1 (972) 571 4808