Official Form 5500 data
Mining, quarrying, and oil and gas 401(k) plans
Explore employers in Mining, quarrying, and oil and gas using their latest selected public retirement-plan filings.
How to read this page
Industry is derived from the business classification reported in the filing. Employer contribution and expense figures are filing-level context, not current plan terms.
Employers587
Reported plan assets$72.1B
Active participants409.7K
Average employer money per active participant$6,025
Largest reported plans
Companies ranked by plan assets
The list shows up to 50 employers, ordered by assets in each plan’s latest selected public filing.
01CONOCOPHILLIPS COMPANYHOUSTON, TXPlan assets$6.7B→02HALLIBURTON COMPANYHOUSTON, TXPlan assets$4.5B→03BAKER HUGHES HOLDINGS LLCHOUSTON, TXPlan assets$4B→04OCCIDENTAL PETROLEUM CORPORATIONHOUSTON, TXPlan assets$3.5B→05ARAMCO SHARED BENEFITS COMPANYHOUSTON, TXPlan assets$2.9B→06ENERGY TRANSFER LPHOUSTON, TXPlan assets$2.8B→07FREEPORT-MCMORAN INC.PHOENIX, AZPlan assets$2.7B→08EOG RESOURCES, INC.HOUSTON, TXPlan assets$1.3B→09DEVON ENERGY CORPORATIONOKLAHOMA CITY, OKPlan assets$1.1B→10MARATHON OIL COMPANYHOUSTON, TXPlan assets$923.2M→11MARTIN MARIETTA MATERIALS, INC.RALEIGH, NCPlan assets$903.5M→12PEABODY INVESTMENTS CORP.ST. LOUIS, MOPlan assets$864.2M→13PIONEER NATURAL RESOURCES USA, INC.IRVING, TXPlan assets$850M→14HELMERICH & PAYNE, INC.TULSA, OKPlan assets$844.3M→15TRANSOCEAN INC.Location not reportedPlan assets$838.7M→16HILCORP ENERGY COMPANYHOUSTON, TXPlan assets$817.8M→17TOTALENERGIES FINANCE USA, INCHOUSTON, TXPlan assets$788.4M→18THE NORTH AMERICAN COAL CORPORATIONPLANO, TXPlan assets$768.4M→19CHAMPIONX LLCSUGAR LAND, TXPlan assets$724.1M→20APACHE CORPORATIONHOUSTON, TXPlan assets$715.3M→21RIO TINTO AMERICA INC.SOUTH JORDAN, UTPlan assets$687M→22ARCH RESOURCES, INC.ST. LOUIS, MOPlan assets$650.4M→23ALLIANCE COAL, LLCTULSA, OKPlan assets$639M→24PATTERSON-UTI ENERGY, INCSNYDER, TXPlan assets$613M→25WEATHERFORD INTERNATIONAL, LLCHOUSTON, TXPlan assets$581.4M→26OVINTIV USA INC.DENVER, COPlan assets$547.2M→27THE BRINK'S COMPANYRICHMOND, VAPlan assets$508.5M→28AERA ENERGY SERVICES COMPANYBAKERSFIELD, CAPlan assets$466M→29EQT CORPORATIONPITTSBURGH, PAPlan assets$456.8M→30CABOT OIL AND GAS CORPORATIONHOUSTON, TXPlan assets$442.8M→31CNX RESOURCES CORPORATIONCANONSBURG, PAPlan assets$438.6M→32CHOCTAW NATION OF OKLAHOMADURANT, OKPlan assets$424.7M→33HUNT CONSOLIDATED, INC.DALLAS, TXPlan assets$415M→34KINROSS GOLD U.S.A., INCDENVER, COPlan assets$407.6M→35CONTINENTAL RESOURCES, INC.OKLAHOMA CITY, OKPlan assets$389.7M→36DIAMOND OFFSHORE MANAGEMENT COMPANYHOUSTON, TXPlan assets$377.4M→37NABORS INDUSTRIES, INC.HOUSTON, TXPlan assets$370.9M→38MORTON INVESTMENT COMPANY LLCCHICAGO, ILPlan assets$356.5M→39NOBLE SERVICES COMPANY LLCSUGAR LAND, TXPlan assets$344.2M→40LIBERTY OILFIELD SERVICES, LLCDENVER, COPlan assets$341.5M→41NEWMONT USA LIMITEDDENVER, COPlan assets$341.3M→42IMERYS USA INC.ROSWELL, GAPlan assets$309.8M→43EQUINOR US HOLDINGS INC.STAMFORD, CTPlan assets$309.7M→44CALUMET GP, LLCINDIANAPOLIS, INPlan assets$307M→45MERIT ENERGY COMPANY, LLCDALLAS, TXPlan assets$277.3M→46CONSOL ENERGY INC.CANONSBURG, PAPlan assets$270.5M→47WESTERN MIDSTREAM SERVICES, LLCTHE WOODLANDS, TXPlan assets$269.2M→48AMERICAN CONSOLIDATED NATURAL RESOURCES, INC.ST. CLAIRSVILLE, OHPlan assets$266.8M→49OIL STATES INTERNATIONAL, INC.HOUSTON, TXPlan assets$252.8M→50COVIA HOLDINGS LLCINDEPENDENCE, OHPlan assets$247.1M→
Source: U.S. Department of Labor Form 5500 public filings. Figures describe retirement plans, not an employer’s total workforce or current benefit promise.