Free supplier research guide · US mines and quarries
How to find and qualify US mining accounts using MSHA data
A practical, source-backed research workflow for guarding, conveyor, material-handling and industrial-service suppliers. Find relevant operating mines, check the right company, interpret dated evidence and avoid chasing false buying signals.
A mine list is not a qualified supplier prospect list.
MSHA's public files include mines with different operating statuses and records going back decades. Those records can help a supplier investigate a business account, but they do not independently establish purchasing needs, budgets, vendor eligibility or access to decision-makers.
A useful prospect starts with fit: your service area, the mine's current identity and activity, the equipment relevant to your business, and evidence you can independently recheck. Only then does a general company contact route become worth considering.
The seven-step research workflow
Define the territory and the equipment you can actually supply
Start with the US states and mine types within your practical service area. Choose a narrow technical fit, such as conveyor guarding, crushing and screening, or industrial electrical work.
Qualification decision: Exclude facilities outside your coverage or capabilities before interpreting any citation as a reason to research them.
Identify the current mine and legal operator
Look up the exact MSHA Mine ID, current operating status, mine type, state and current operator. Check controller/operator history when a company's name or ownership appears to have changed.
Qualification decision: A mine name, legal operator, controller and parent company may refer to different entities. Do not attach a parent-company contact to a mine without evidence of the relationship.
Check whether reported activity supports further research
Review the dated quarterly employment and, where applicable, coal-production data. Compare the reported quarter with the mine's latest operating status and public disclosures.
Qualification decision: Historical operating status is not proof of present production. Reported employment is research context, not a direct estimate of equipment budget.
Interpret citations as dated technical evidence
Check the issued date, cited party, relevant regulation, specific citation number and recorded termination. Consult the official record for contested, vacated or amended details when relevant.
Qualification decision: A guarding-related citation can make an operation worth evaluating, but it does not prove a current hazard, unmet equipment requirement, RFQ or buying intention.
Look separately for verified equipment or project developments
Review operator announcements, investor filings and appropriate public permit decisions. Record whether an item is proposed, approved, under construction, installed or commissioned.
Qualification decision: An old equipment configuration is not a new project. An approved permit is not a procurement notice; equipment installed last year is not an open purchase order.
Find a legitimate, independently checked business route
Check the actual operating company's public website and verify any subsidiary or parent relationship. A published corporate contact form, general phone number or supplier portal may provide an introduction route.
Qualification decision: An MSHA legal mailing address is not a sales contact. A general company route is not a verified maintenance buyer, purchaser or invitation to submit unsolicited messages.
Record a qualify-or-exclude decision and watch meaningful changes
Save the relevant Mine ID, dates, original URLs, service-area fit and reason to research or exclude the account. Recheck relevant new facts instead of treating the same old citation as a fresh lead.
Qualification decision: Monitor confirmed changes, not imaginary events. A source that is unavailable or stale should be marked uncertain rather than silently treated as current.
Know what each source can—and cannot—tell you
Mines dataset
Can support: Current identity, recorded status and classification
Cannot establish: Verified buyer or live equipment order
Quarterly employment
Can support: Dated workforce/operating context where reported
Cannot establish: Current purchase budget or near-term project
Issued violations
Can support: Dated regulatory facts and relevant standards
Cannot establish: Unresolved hazard or a future purchase
Corporate website
Can support: General company route or supplier portal if verified
Cannot establish: A named decision-maker or permission to market
Operator / government disclosure
Can support: Specific reported development and its documented status
Cannot establish: An open tender unless expressly stated
One often-missed detail: MSHA's Addresses of Record dataset describes legal-record addresses and explicitly warns that they do not necessarily represent the physical mine location. Do not mistake that address for a confirmed facility or supplier contact.
Worked example: guarding research at a Michigan mine
Our free Telsmith #2 research brief shows an intermittently operating Michigan mine, two specific guarding citations from September and October 2026, the recorded same-day termination dates, exact operator identity and a publicly listed company office route.
This is a legitimate account-research example, not evidence that a guarding replacement is still needed. The brief includes official record identifiers and links so a supplier can independently reassess the information.
Open the complete sourced exampleResearching equipment instead of citations? Review our separate Blue Creek mine project example, based on the operator's original completion announcement.
Original sources and further reading
The workflow above is Mining Signals' independent commercial research method. The linked government sources supply the underlying factual record; Mining Signals is not affiliated with, sponsored or endorsed by MSHA or the US Department of Labor.
- MSHA Open Government Data
Original Mines, Violations, Controller/Operator History, Addresses of Record, and employment datasets with definitions.
- MSHA Mine Data Retrieval
Official tool for checking individual mine, operator and enforcement records. The service may require a browser with JavaScript.
- MSHA quarterly employment / production
Official information about mine-operator employment and applicable coal-production reporting by calendar quarter.
- US data.gov MSHA Violations dataset
Federal dataset description explaining issued citations, inspection event numbers and related enforcement attributes.
Reviewed 24 October 2026. Government datasets and operator disclosures change; always verify the latest source status before acting.