For information regarding invoicing, payment status, or waivers, please email:
accounting@mammothgroup.net
For information regarding application status and job postings, please email:
hr@mammothgroup.net
For information regarding projects, please email:
admin@mammothgroup.net
For information regarding new project estimating, please email:
estimating@mammothgroup.net
* If you have an urgent concern or question, please feel free to call the office line at (317)-983-3224 *