Contractor Page

Welcome to our Resolution Copper Mining LLC. Contractor webpage. This page will be a work in progress and will serve as the go-to resource page for Contractors who currently work onsite, and for contractors who would like to bid and become familiar with our operations.

The Contacts for Resolution Copper Mining Departments are below:
Health, Safety, and Environmental: RCHSEDepartment@riotinto.com
Communities Team: info@resolutioncopper.com

Contract Management Team (CMX): TBD
Procurement Team: TBD

Rio Tinto Standards and Policies

The following is a link to our Rio Tinto company policies and standards. Please note that these are the Global standards and some scopes may require further explanation and work practices that are specific to the Resolution Copper Mining and the State of Arizona. Please discuss any standards and work practices relevant to your scope directly with your Designated Manager before accepting or mobilizing for a job.
https://www.riotinto.com/sustainability/policies

Resources

Additional resources that we would like our Supplier teams to be comfortable with are Browz (onsite contractor compliance), MSHA and Maxcom (SDS database) Please see links and details below:

1. Browz Reference Material: https://browz.com/en/contractors-suppliers

  • Browz LMS Setup
  • Browz Employee User Dashboard
  • Browz Sole Proprieter Waiver Form
  • Browz Supplier Requirements Checklist

2. MSHA: https://www.msha.gov/

3. Maxcom: https://app.maxcomsc.com/maxcomsc/

  • User Name: rcm
  • Password: superior

Procurement Principles and Contact information

Rio Tinto’s reputation for acting responsibly plays a critical role in our success as a business and our ability to generate shareholder value. As a Procurement function we take that responsibility seriously at each stage of our process from purchasing staff or sourcing teams to our leadership team. We expect our suppliers to do the same.

Our Procurement Principles and our Rio Tinto’s four core values: Accountability, Respect, Teamwork and Integrity. outline the way we want to operate in partnership with our customers and suppliers. They also capture our expectations of each employee and contractor. We have produced documents to reflect the transparency we expect in all procurement related activities for Rio Tinto, by all key stakeholders. It’s also an opportunity for us to communicate the principles that guide our ideal behavior as an organization. It supersedes The way we buy and reflects the principles outlined in Rio Tinto’s global code of business conduct, The Way We Work. Please read the procurement practices and standards in the below link and understand our work practices and supplier expectations.https://www.riotinto.com/footer/suppliers

Please take time to read and understand Rio Tinto Procurement Principles and use it as a continual reference in your work.

Terms related to performing services on all Resolution Copper Mining LLC Sites. Please see the Site Specific Terms that all contractor employees must agree to in order to conduct business on our sites.

For information about our accounts payable system, and for contact information to the Purchase to Pay team about all accounts payable issues, please see the Accounts Payable Fact Sheet

Procurement Principles and Contact information

Rio Tinto’s reputation for acting responsibly plays a critical role in our success as a business and our ability to generate shareholder value. As a Procurement function we take that responsibility seriously at each stage of our process from purchasing staff or sourcing teams to our leadership team. We expect our suppliers to do the same.

Our Procurement Principles and our Rio Tinto’s four core values: Accountability, Respect, Teamwork and Integrity. outline the way we want to operate in partnership with our customers and suppliers. They also capture our expectations of each employee and contractor. We have produced documents to reflect the transparency we expect in all procurement related activities for Rio Tinto, by all key stakeholders. It’s also an opportunity for us to communicate the principles that guide our ideal behavior as an organization. It supersedes The way we buy and reflects the principles outlined in Rio Tinto’s global code of business conduct, The Way We Work. Please read the procurement practices and standards in the below link and understand our work practices and supplier expectations.

https://www.riotinto.com/footer/suppliers

Please take time to read and understand Rio Tinto Procurement Principles and use it as a continual reference in your work.

Terms related to performing services on all Resolution Copper Mining LLC Sites. Please see the Site Specific Terms that all contractor employees must agree to in order to conduct business on our sites.

For information about our accounts payable system, and for contact information to the Purchase to Pay team about all accounts payable issues, please see the Accounts Payable Fact Sheet

Upcoming Bids and Contractor Opportunities: TBD

All contract information, scope schedules, Statement of Works, pricing, and upcoming bid information can be directed to our onsite Procurement team.

If you are a supplier and would like to be involved in one of our upcoming bids, please send your company information to our onsite Rio Tinto Procurement team. If you are already a prequalified contractor in our system, reference your company name and vendor number, if you are a new supplier, please provide your company information and the upcoming bid you are interested in. The information you provide will be recorded in an internal database, which is used by our Sourcing team as an initial point of reference for developing a list of potential bidders. However, please note:

  • Expressing your interest does not pre-qualify you as a Rio Tinto supplier
  • Expressing your interest does not guarantee that you will be contacted by Rio Tinto Procurement to supply goods to Rio Tinto
  • There is a comprehensive vetting process undertaken prior to awarding any supplier with a Rio Tinto contract including background checks on current and past financial positions; health, safety & environmental standards and policies; human rights standards and policies; policies on relationships with local communities, etc.

Please provide the below information when showing interest in becoming a Rio Tinto supplier:

Category of Services and or specific bid you are interested in.

Company information and organization name

  • Copy of W9 if available
  • Contact name
  • Email address
  • Phone number
  • Address
  • City
  • Zip
  • State
  • Website address or line card
  • Tax ID or corporation number
  • Annual turnover in last 3 years
  • Number of full-time employees
  • Browz approved?
  • States and areas your company is licensed to work in
  • Two company references, other than Rio Tinto

All contract information, scope schedules, Statement of Works, pricing, and upcoming bid information can be directed to our onsite Procurement team:

Jaime White- Business Partner and Procurement Leader, Resolution Copper Mining LLC-Jaime.white2@riotinto.com

Kartik Vommi- Procurement Data and Sourcing Analyst, Resolution Copper Mining LLC- Kartik.vommi@riotinto.com

Our Work

Resolution Copper invests $144 million to advance next phase of development

SUPERIOR, Arizona (November 5, 2026) – Resolution Copper will invest $144 million1 to advance the next phase of development at the project in Arizona, one of the world’s largest untapped copper deposits and a potential major new source of domestically produced copper for the United States.

Meet Christian, An Electrical Engineer Helping Keep People Safe Through Innovation

Today, as an Electrical Engineer at Resolution Copper, Christian works on the systems that help keep the site powered, connected, and safe. His job touches a little bit of everything: electrical infrastructure, circuit breakers, relays, automation systems, maintenance planning, design reviews, and field troubleshooting. He helps make sure the electrical systems can do what the site needs them to do and that the people working around those systems are protected.

Meet Resolution Copper’s Mine Rescue Team

Dozens of volunteers. Twelve days of training a year. All on top of their regular jobs. Most days, they're working underground, maintaining equipment, managing teams and projects, studying rock formations, welding, turning wrenches or handling any number of jobs that keep things running at Resolution Copper.

Q3 2026 Scorecard: A Look at the Work Behind the Numbers

From local jobs and project spending to water management and community partnerships, here's a look at what has been happening at Resolution Copper.

Meet the People Behind the Core

There are jobs where you work with spreadsheets. Jobs where you work with heavy equipment. And then there are jobs where working with rocks is literally part of the assignment. Welcome to the Core Processing Facility.

Resolution in the Community: September 2026

Resolution Copper participated in 77 community engagements during September, bringing our 2026 total engagements to 556. Behind those numbers are teachers finding new ways to engage students, volunteers helping neighbors, community partners thinking about the future of the Copper Corridor and opportunities to learn directly from Tribal communities.

Teamwork Powers 46 Level Upgrade

Deep underground at Resolution Copper, crews recently completed a major upgrade to the 46 Level pump station, modernizing a critical system that helps manage water in the mine's underground workings.

A Decade of Showing Up

Since 2016, Resolution Copper has invested more than $20 million through more than 900 partnerships supporting rural Arizona communities.Those partnerships span education, health and wellbeing, culture and heritage, environmental stewardship, business development, recreation and community economic development.

More Than a Game: How Baseball Became a Classroom

Since 2012, Resolution Copper and the Arizona Diamondbacks have worked together to create opportunities for Arizona youth, educators and communities. What started with Science of Baseball has grown into teacher workshops, hands-on STEM experiences, youth baseball clinics, Tribal youth programming and community recreation.