The exploration and production industry in Maryland is a thriving field, with a dynamic mix of companies that specialize in various areas including oil and gas exploration, production, sustainable geothermal technologies, and knowledge pooling. From privately-held corporations with a primary emphasis on oil and gas to companies leveraging cutting-edge technologies for sustainable electricity production, the Maryland industry is a powerhouse of innovation and growth. The rise in sustainable energy solutions and digitization has opened up significant potential for the future development of the industry.


Top 20 exploration and production companies in Maryland

1. Rosemore

Rosemore, Inc. is a privately-held corporation based in Baltimore, Maryland with a primary focus on oil and gas exploration, production, and transportation via its subsidiaries Tema Oil and Gas Company and Gateway Gathering and Marketing Company. The company also manages a diversified portfolio of investments.


2. Geothermal Technologies

  • Website: geothermal.tech
  • Headquarters: Baltimore, Maryland, United States
  • Founded: 2018
  • Headcount: 11-50
  • Latest funding type: Grant
  • LinkedIn

Geothermal Technologies is a company developing state-of-the-art drilling technologies, seismic imaging, downhole fiber optics, electromagnetic geophysical imaging, and advanced ORC power generation technologies to build novel geothermal power plants designed to operate economically and sustainably, with clean, renewable, low cost, baseload electricity production throughout the world.


3. Oilfield Wiki

  • Website: oilfieldwiki.com
  • Headquarters: Stevensville, Maryland, United States
  • Headcount: 1-10

OilfieldWiki is a collaborative effort to build and share the world's largest, highest quality Oilfield Encyclopedia. Like Wikipedia, OilfieldWiki is a wiki, in that anyone can write or edit a page on the site. Because OilfieldWiki is editable by anyone, our content changes every day. Each edit can be seen on our list of Recent Changes, which gets reviewed constantly by volunteer editors. Most of the edits made on any given day are helpful, and any poor edits are usually quickly reverted. In this way, articles on OilfieldWiki improve over time, as more and more people contribute their unique knowledge and skills. Not only are OilfieldWiki's articles written and maintained by oil/gas industry professionals, but they're also shared with as many people around the world as possible. Our Creative Commons license allows OilfieldWiki's articles to be used freely by any organization or person. Allowing free republication of our content helps achieve OilfieldWiki's mission by offering our knowledge pool to help even more people for free. At the core of OilfieldWiki is the volunteer community of writers and editors, who contribute for a wide variety of reasons and in a wide variety of ways. There's a small team of employees, whose job it is to make sure the site keeps reaching readers and innovating on the technology, but volunteer contributors like you are the lifeblood of this project. If you'd like to help out, getting started is easy. We need authors to start new articles, editors to fix typos, add photos, pick videos, correct inaccuracies, and patrol recent changes. Read this list of the dozens ways you can contribute. If you have any questions, ask the Help Team.


4. Highland Light Management

  • Website: hlmenergy.com
  • Headquarters: Montgomery Village, Maryland, United States
  • Founded: 2013
  • Headcount: 1-10
  • Latest funding type: Grant

Highland Light Management develops a dry fracture technique in oil and gas extraction to reduce water use and increase life cycle yield. The company is a Maryland corporation that developed and patented the Dry Fracture Shale System technology for hydrocarbon extraction from shale and other hydrocarbon sources.


5. Dewhurst Group LLC.

DEWHURST GROUP LLC is an American geoscientific and engineering company that specializes in global geothermal exploration, development, and financing.


6. Geo-Technology Associates, Inc. (GTA)

  • Website: gtaeng.com
  • Headquarters: Abingdon, Maryland, United States
  • Founded: 1985
  • Headcount: 501-1000
  • LinkedIn

Geo-Technology Associates, Inc. (GTA) is a geotechnical and environmental consulting company specializing in construction, drilling, environmental consulting, and environmental remediation services. With expertise in natural resources, groundwater and wastewater, and oil and gas field support, GTA serves various markets including commercial, energy, government and institutional, healthcare, and industrial sectors.


7. LTN Global

  • Website: ltnglobal.com
  • Headquarters: Columbia, Maryland, United States
  • Founded: 2006
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

LTN Global is a global broadcast video solutions company that offers transformative content experiences. They provide live video management, monitoring and control, and automated versioning to reach cross-platform audiences. Their solutions include linear video integration, addressable advertising, and IP multicast transport.


8. Energy Citizens

Energy Citizens is a group advocating for balanced energy policies and innovations from US energy producers to support families, strengthen communities, and improve national security.


9. Ion Storage Systems

  • Website: ionstoragesystems.com
  • Headquarters: Beltsville, Maryland, United States
  • Founded: 2015
  • Headcount: 11-50
  • Latest funding type: Series A
  • LinkedIn

Ion Storage Systems creates batteries that are safer, lighter, and enable form factors with tighter packing density that enhance system performance. These innovations empower the world’s innovators to break down barriers in their product development cycles to redefine what’s possible and begin building the products of tomorrow today. At Ion Storage Systems, we’re building better batteries with no compromise.


10. Somerset Well Drilling Company INC

Somerset Well Drilling Company provides drilling and geothermal services for residential, commercial, and industrial customers in Maryland, Delaware, and Virginia's eastern shore.


11. Reisterstown Boarding Kennels, Inc. - Pet Resort & Spa

  • Website: rbk-pet.com
  • Headquarters: Reisterstown, Maryland, United States
  • Founded: 1990
  • Headcount: 11-50
  • LinkedIn

RBK-PET is a company that focuses on high-temperature and special alloy processing. They offer precision machining of metals and plastics using over 100 different alloys, meeting the unique requirements of each. Their expertise lies in the production of customized CNC screw machined parts at high volumes and high precision, with ISO 9001:2015 certification.


12. Analytica94, Inc.

Analytica94.org offers unbiased analyses and unique understanding of regulations, costs, and price drivers pertaining to the wind power industry.


13. Greater Baltimore Yoga Ctr

Maryland Yoga offers therapeutic Hatha Yoga instruction with an emphasis on precise alignment of bones, joints, and muscle within the poses. Developed by Stan Andrzejewski, a practicing physical therapist for over 50 years, the classes are tailored to each student's biomechanical needs.


14. Chesapeake Geosystems, Inc

In the 30 years of operation, Chesapeake Geosystems has earned a reputation as a geothermal contracting firm that delivers projects on time and on budget. Chesapeake Geosystems’ passion for quality is evident in every phase of the job, from consultation to project management. The company maintains its own fleet of late-model drill rigs and excavation equipment operated by licensed, experienced drillers and geothermal installers. Chesapeake Geosystems uses extensive testing procedures at every critical phase of installation to ensure the integrity of the geothermal heating and cooling system and assuring customers of a trouble and maintenance-free operation.


15. Manta Biofuel

  • Website: mantabiofuel.com
  • Headquarters: Baltimore, Maryland, United States
  • Founded: 2014
  • Headcount: 1-10
  • Latest funding type: Seed
  • LinkedIn

Manta Biofuel is a technology company that produces carbon-neutral fuel from polluted water and algae. They use high temperature and pressure reactors to convert algae into crude oil for use as biofuel in the existing liquid fuels infrastructure.


16. Potomac Wind Energy

ome of the American Classic Wind TurbineTM. We sell, install, maintain and service wind turbines, including American Classic Wind PowerTM 6 kw, and modular solar sheds systems for residential, farm, business and community applications. Partial or ""turn-key"" installations available. MSRP prices apply. Make an appointment to view the turbines in action"" or our modular solar sheds demos at our Dickerson, Maryland location. Exclusive provider of PWE modular solar sheds. Available in 2.88kW (6'x16'shed) up to 7.92kW (12'x32 single car garage+storage shed). Bigger units can be assembled at your site. Choice of colors and siding. No holes or distracting solar panels on your home's roof and that extra storage space you desperately need! Order now and take advantage of the 30% federal tax credit. We sell, install and service wind turbines and modular solar systems for residential, farm and business applications Categories: Maryland Solar Tour, Modular Solar Sheds, Modular Solar Units, Green Homes, Solor Power Sheds, Solar Sheds in Maryland, Washington, D.C. and Virginia, Wind energy, residential and commercial, sustainable living, farm, church, and business applications, Potomac Wind Energy, Dickerson, Maryland, 20842, Washington County, Montgomery County, Frederick County, Howard County, Green living, Commissioners, Green Energy, Events, Promotions, Symposium, Expo, Wind Energy, Skystream Systems, windmills, wind mills, wind turbines, Frederick County, internships, dealers, contractors, master electricians, electrical engineers, Solar shed, power needs, Site visits available, PEPCO bills, Allegeny Power, green energy, alternative power supplies, environmental engineering, Skystream, Air X, Polaris, Aermotor, Xzeres, Pacwind, Koenders, conversion kit. Wind power incentives, Wind assessments, wind rose, Green earth, fuel burning, Coal burning. Alternatives, not for profit organizations discount, Alternative Energy in Maryland, Wind Energy Toolkit, MEA Grant, Green living in Maryland, Windswept grants. Southern ...


17. D&a;D Drilling

  • Website: dddrilling.com
  • Headquarters: Woodbine, Maryland, United States
  • Headcount: 11-50

D&D Drilling Inc is a drilling company with ten drills in operation and dig crews to service its clientele. They have achieved drilling the Chesapeake and Patapsco and installing over 1 million feet of cable and duct during their relationship with Baltimore Gas and Electric.


18. Shannahan Artesian Well CO., INC.

Shannahan Artesian Well Company offers well drilling and maintenance services along with geothermal energy systems. With over 120 years of experience, they bring clean and healthy water throughout the Delmarva area.


19. Maryland Solar Solutions

Maryland Solar Solutions offers solar panel installations, removal, repairs, and solar array removal services to residential homes and commercial businesses throughout Maryland.


20. Porter and Company

Thebigsecretonwallstreet.com is a financial advisory website that offers expert investment recommendations and insights through free and paid subscriptions.


Want to find more exploration and production companies?


If you want to find more companies that offer diverse services like oil and gas exploration, geothermal energy production, and creating oilfield knowledge pools you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


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...and a lot more!