# Oil & Gas Operators: U > All 70 oil and gas operators starting with U in our free directory. Phone, address and owner relations contact from state regulator records. Source: https://www.berlinroyalties.com/operators/browse/u/ Publisher: Berlin Royalties, a veteran-owned oil and gas mineral and royalty buyer in Tulsa, Oklahoma, buying for its own account since 2014. Call or text 918-984-1645. License: free to quote and cite with attribution to Berlin Royalties and a link to the source URL. Operator Directory ยท A to Z ## Operators starting with U. 70 operators on file under U, from the public records of the Oklahoma Corporation Commission, the Railroad Commission of Texas, the Kansas Corporation Commission, the Colorado ECMC, and the Wyoming OGCC. Every name links to that operator's contact page. - [U S ENERGY CORP. OF AMER. INC.](https://www.berlinroyalties.com/operators/company/u-s-energy-corp-of-amer-inc/) (TX) - [U. S. ENERGY DEVELOPMENT CORPORATION](https://www.berlinroyalties.com/operators/company/u-s-energy-development-corporation/) (OK) - [U.S. DEPARTMENT OF ENERGY](https://www.berlinroyalties.com/operators/company/u-s-department-of-energy/) (TX) - [U.S. ENERGY DEVELOPMENT CORP](https://www.berlinroyalties.com/operators/company/u-s-energy-development-corp/) (TX) - [UBETCO, INC.](https://www.berlinroyalties.com/operators/company/ubetco-inc/) (TX) - [UCAR PIPELINE, LLC](https://www.berlinroyalties.com/operators/company/ucar-pipeline-llc/) (TX) - [Uehlin LLC](https://www.berlinroyalties.com/operators/company/uehlin-llc/) (KS) - [UEP OPERATING LLC](https://www.berlinroyalties.com/operators/company/uep-operating-llc/) (TX) - [UINTA WAX OPERATING, LLC](https://www.berlinroyalties.com/operators/company/uinta-wax-operating-llc/) (UT) - [Ulbrich, Vernon](https://www.berlinroyalties.com/operators/company/ulbrich-vernon/) (KS) - [ULLRICH SANDY J](https://www.berlinroyalties.com/operators/company/ullrich-sandy-j/) (OK) - [ULTIMATE TRUCKING, INC.](https://www.berlinroyalties.com/operators/company/ultimate-trucking-inc/) (TX) - [Ultimate Well Service, LLC](https://www.berlinroyalties.com/operators/company/ultimate-well-service-llc/) (KS) - [Ulysses, City of](https://www.berlinroyalties.com/operators/company/ulysses-city-of/) (KS) - [UMBERHAM OIL COMPANY INC](https://www.berlinroyalties.com/operators/company/umberham-oil-company-inc/) (OK) - [UNBRIDLED OIL FIELD SERVICES,LLC](https://www.berlinroyalties.com/operators/company/unbridled-oil-field-services-llc/) (TX) - [UNBRIDLED RESOURCES, LLC](https://www.berlinroyalties.com/operators/company/unbridled-resources-llc/) (OK, TX) - [UNDERGROUND SERVICES MARKHAM,LLC](https://www.berlinroyalties.com/operators/company/underground-services-markham-llc/) (TX) - [UNDERGROUND STORAGE, LLC](https://www.berlinroyalties.com/operators/company/underground-storage-llc/) (TX) - [UNDERWOOD OIL AND GAS LLC](https://www.berlinroyalties.com/operators/company/underwood-oil-and-gas-llc/) (OK) - [Union Valley Petroleum Corporation](https://www.berlinroyalties.com/operators/company/union-valley-petroleum-corporation/) (KS, OK) - [UNIT](https://www.berlinroyalties.com/operators/company/unit/) (OK, TX) - [UNIT PETROLEUM COMPANY](https://www.berlinroyalties.com/operators/company/unit-petroleum-company/) (OK, TX) - [UNITED BRINE PIPELINE CO, LLC](https://www.berlinroyalties.com/operators/company/united-brine-pipeline-co-llc/) (TX) - [UNITED ENERGY & EXPLORATION LLC](https://www.berlinroyalties.com/operators/company/united-energy-and-exploration-llc/) (OK) - [UNITED ENERGY CORPORATION](https://www.berlinroyalties.com/operators/company/united-energy-corporation/) (TX) - [UNITED ENERGY OPERATING LLC](https://www.berlinroyalties.com/operators/company/united-energy-operating-llc/) (OK) - [UNITED ENERGY TRADING LLC](https://www.berlinroyalties.com/operators/company/united-energy-trading-llc/) (TX) - [UNITED ENVIRONMENTAL SERV., LLC](https://www.berlinroyalties.com/operators/company/united-environmental-serv-llc/) (TX) - [UNITED PRODUCTION COMPANY LLC](https://www.berlinroyalties.com/operators/company/united-production-company-llc/) (OK) - [UNITED SALT BLUE RIDGE HLDGS,LLC](https://www.berlinroyalties.com/operators/company/united-salt-blue-ridge-hldgs-llc/) (TX) - [UNITED VISION LOGISTICS](https://www.berlinroyalties.com/operators/company/united-vision-logistics/) (TX) - [UNITEX OIL & GAS, L.L.C.](https://www.berlinroyalties.com/operators/company/unitex-oil-and-gas-l-l-c/) (TX) - [UNIVERSAL NATURAL GAS, INC.](https://www.berlinroyalties.com/operators/company/universal-natural-gas-inc/) (TX) - [UNIVERSITY APARTMENTS](https://www.berlinroyalties.com/operators/company/university-apartments/) (TX) - [UNLIMITED CONST REMEDIATION, LLC](https://www.berlinroyalties.com/operators/company/unlimited-const-remediation-llc/) (TX) - [Unrein, Glenn](https://www.berlinroyalties.com/operators/company/unrein-glenn/) (KS) - [Unruh, Lanny](https://www.berlinroyalties.com/operators/company/unruh-lanny/) (KS) - [Unruh, Mark D.](https://www.berlinroyalties.com/operators/company/unruh-mark-d/) (KS) - [UNTAMED RESOURCES, LLC](https://www.berlinroyalties.com/operators/company/untamed-resources-llc/) (OK, TX) - [UNTERKIRCHER OIL, LLC](https://www.berlinroyalties.com/operators/company/unterkircher-oil-llc/) (OK) - [UOG ETX, LLC](https://www.berlinroyalties.com/operators/company/uog-etx-llc/) (TX) - [UOSI OPERATING, INC.](https://www.berlinroyalties.com/operators/company/uosi-operating-inc/) (TX) - [UPCURVE ENERGY, LLC](https://www.berlinroyalties.com/operators/company/upcurve-energy-llc/) (TX) - [UPHAM OIL & GAS COMPANY](https://www.berlinroyalties.com/operators/company/upham-oil-and-gas-company/) (TX) - [UPHILL CONSULTING LLC](https://www.berlinroyalties.com/operators/company/uphill-consulting-llc/) (TX) - [UPLAND ENERGY LLC](https://www.berlinroyalties.com/operators/company/upland-energy-llc/) (OK) - [UPLAND OPERATING, LLC](https://www.berlinroyalties.com/operators/company/upland-operating-llc/) (OK, TX) - [UPLAND PRODUCTION COMPANY](https://www.berlinroyalties.com/operators/company/upland-production-company/) (TX) - [Upland Resources LLC](https://www.berlinroyalties.com/operators/company/upland-resources-llc/) (KS) - [UPLANDS RESOURCES INC](https://www.berlinroyalties.com/operators/company/uplands-resources-inc/) (OK) - [UPP OPERATING](https://www.berlinroyalties.com/operators/company/upp-operating/) (TX) - [UPP WELL SERVICES, LLC](https://www.berlinroyalties.com/operators/company/upp-well-services-llc/) (TX) - [UPSTREAM RESOURCE PARTNERS, LLC](https://www.berlinroyalties.com/operators/company/upstream-resource-partners-llc/) (TX) - [Upton, John](https://www.berlinroyalties.com/operators/company/upton-john/) (KS) - [URBAN OIL & GAS GROUP](https://www.berlinroyalties.com/operators/company/urban-oil-and-gas-group/) (AL, TX, WY, UT, LA, OK, AR) - [Urban Oil and Gas Group LLC](https://www.berlinroyalties.com/operators/company/urban-oil-and-gas-group-llc/) (KS) - [URIAS HOTSHOT&TRANSPORTATION](https://www.berlinroyalties.com/operators/company/urias-hotshot-and-transportation/) (TX) - [URSUS OIL AND GAS](https://www.berlinroyalties.com/operators/company/ursus-oil-and-gas/) (TX) - [US ECOLOGY ENERGY W D SVC, LLC](https://www.berlinroyalties.com/operators/company/us-ecology-energy-w-d-svc-llc/) (TX) - [US ECOLOGY KARNES CNTY DISP, LLC](https://www.berlinroyalties.com/operators/company/us-ecology-karnes-cnty-disp-llc/) (TX) - [US ECOLOGY TRANS SOLUTIONS, INC.](https://www.berlinroyalties.com/operators/company/us-ecology-trans-solutions-inc/) (TX) - [US ECOLOGY WINNIE, LLC](https://www.berlinroyalties.com/operators/company/us-ecology-winnie-llc/) (TX) - [US ENERGY EXPL](https://www.berlinroyalties.com/operators/company/us-energy-expl/) (PA) - [US Oil Resources LLC](https://www.berlinroyalties.com/operators/company/us-oil-resources-llc/) (KS) - [USFS LLC](https://www.berlinroyalties.com/operators/company/usfs-llc/) (TX) - [UTAH GAS CORP](https://www.berlinroyalties.com/operators/company/utah-gas-corp/) (CO, UT) - [Utah Oil LLC](https://www.berlinroyalties.com/operators/company/utah-oil-llc/) (KS) - [UTILITIES, INC. OF TEXAS](https://www.berlinroyalties.com/operators/company/utilities-inc-of-texas/) (TX) - [UTOCO, LTD.](https://www.berlinroyalties.com/operators/company/utoco-ltd/) (TX) The phone numbers on these pages belong to the operators, not to Berlin Royalties. We publish the records as a free public reference. If you own minerals or royalties under any operator's wells and want to know what they are worth, call or text [918-984-1645](tel:9189841645) or use the [directory search](https://www.berlinroyalties.com/operators/) page's valuation form; it is free either way.