View all outsourcing firms

Mammoth Tech

NO RATING/5 • Glassdoor rating


Mammoth Tech provides tech-savvy contact center and debt collection services for the world’s largest brands! Some of our clients have included a Top-7 Global Restaurant Company, a Top-15 U.S. Healthcare System and we’re currently 1 of 13 companies who hold the United States Department of Education Default Collection Services Contract – and we’d love to work with you too!



Public or Private


Seats or staff



Unknown / Non-Applicable





Dustin Bartz, Owner

Year Founded


Countries of fulfillment




Contact information

1 800-544-6359

About Mammoth Tech: Review and comparison

Mammoth Tech, formerly known as Credit Adjustments, Inc., is an innovative Business Process Outsourcing (BPO) service that provides tech-savvy contact center and debt collection services provider based in Defiance, Ohio.

Since its inception in 1964, Mammoth Tech has expanded its operations to six corporate locations and seven subcontractor locations throughout the United States. The company currently has about 500 employees, and its last reported revenue is approximately $12.7 million.

Mammoth Tech Outsourcing

Mammoth Tech prioritizes providing its clients with the most up-to-date communication technology and BPO solutions for their businesses. 

With over five decades of experience, Mammoth Tech provides free consultation for your outsourcing and creates a tailor-made solution to simplify their work and match a client’s needs. They also cater to businesses that need call center, email, and troubleshooting services.

Additionally, Mammoth Tech is also one of 13 companies that hold the United States Department of Education Default Collection Services Contract.

Mammoth Tech’s BPO services and pricings

Mammoth Tech provides the following services

  • Providing hand-picked US-based callers for inbound and outbound calls
  • Email support services for resolving customer’s unanswered issues
  • Live-chat with customers
  • Friendly and responsible debt collection services
  • Money-saving IT as a Service and payroll services
  • Fundraising

Additionally, Mammoth Tech offers its services to several industries, most prominently the government and debt collection industries, along with healthcare and higher education. They can accommodate their services to match the size and primary goals of your business. 

Mammoth Tech’s pricing

Mammoth Tech’s pricing depends on the client’s requirements and the business’s needs. They offer free quotes for companies considering using their services. Depending on how they run their businesses, Mammoth Tech selects a team that suits their practices best.  

How Mammoth Tech outshines its competition

This firm takes pride in providing excellent contact center work, IT as a service, and debt collection services for all its clients. To put in their words, they view themselves as “an extension of their client’s businesses.” Mammoth Tech’s formula for success includes:

  • Assessing a client’s needs for formulating a BOP plan for their business;
  • Creating a tailor-made solution;
  • Assigning a dedicated project manager for handling every aspect of your outsourcing needs;
  • Providing onboarding and training for teams and continuously improving these standards based on team member performance and the needs of a business client.

Mammoth Tech also donates a percentage of its revenue to several 501(c)(3) non-profit organizations.

Key executives

Dustin Bartz (Owner) 

Dustin Bartz has been Mammoth Tech’s owner since 2005. He specializes in technology development.

Jeff Walter (Vice President of Information Technology)

Jeff Walter has been Mammoth Tech’s Vice President of Information Technology since 2018. He previously worked at the firm as a Director of Information Technology and Network Administrator. 

Mammoth Tech reviews and comparisons

Mammoth Tech is an efficient BPO service that provides up-to-date communication for contact centers and debt collection services. Although we don’t have many reviews for Mammoth Tech, we suggest comparing the firm with several other coast-to-coast BPO services in the United States. 

Additionally, you can view some of their success stories with satisfied business clients from a wide variety of industries, including a Top-10 Global Restaurant Company and a Top-15 U.S. Healthcare System.

Mammoth Tech’s contact information

Mammoth Tech’s main headquarters is located in:


Further, you may virtually reach out the company through the following contact information:

In addition, you may email them at [email protected] or call 1 800-544-6359.


Mammoth Tech news, podcast & articles

No news, podcast & articles available for this BPO

Mammoth Tech videos & images

No videos & images available for this BPO

Start your
journey today

  • Independent
  • Secure
  • Transparent

About OA

Outsource Accelerator is the trusted source of independent information, advisory and expert implementation of Business Process Outsourcing (BPO).

The #1 outsourcing authority

Outsource Accelerator offers the world’s leading aggregator marketplace for outsourcing. It specifically provides the conduit between world-leading outsourcing suppliers and the businesses – clients – across the globe.

The Outsource Accelerator website has over 5,000 articles, 450+ podcast episodes, and a comprehensive directory with 3,900+ BPO companies… all designed to make it easier for clients to learn about – and engage with – outsourcing.

About Derek Gallimore

Derek Gallimore has been in business for 20 years, outsourcing for over eight years, and has been living in Manila (the heart of global outsourcing) since 2014. Derek is the founder and CEO of Outsource Accelerator, and is regarded as a leading expert on all things outsourcing.

Contact Company

This contact feature is reserved for client and partner inquiries only. Submissions by vendors or job seekers are not connected.