The natural gas industry in Maryland is a multi-faceted operation that includes companies of all sizes, from large corporations to smaller engineering and consulting firms. These companies explore, produce, transport, and monitor natural gas, but many also provide specialized services within the industry. Some are innovators in their field, offering cutting-edge technology and services that extend beyond typical natural gas operations. As regulations evolve and demand for natural gas continues to grow, these companies are at the forefront of meeting energy requirements in sustainable and efficient ways.


Top 25 natural gas 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. Blue Engineering and Consulting Company

Blue Engineering and Consulting provides services across the entire liquefied natural gas (LNG) industry, including satellite LNG facilities, small-scale LNG production, bunkering facilities, fueling facilities, and import and export projects.


3. ZEGAZ Instruments

  • Website: zegaz.com
  • Headquarters: Ijamsville, Maryland, United States
  • Founded: 2009
  • Headcount: 11-50
  • LinkedIn

ZEGAZ Instruments is a global manufacturer of hydrocarbon and water dew point analyzers. Their advanced products provide accurate moisture measurement in natural gas, biogas and gas quality control, making them the gold standard in dew point measurements for natural gas pipelines, refineries, gas storage, and gas power plants.


4. Sandpiper Energy

Sandpiper Energy is a natural gas and propane provider that offers cost-effective solutions for space heating, cooling, water heating, and other operational needs for businesses.


5. Elkton Gas

  • Website: elktongas.com
  • Headquarters: Elkton, Maryland, United States
  • Founded: 1863
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

Elkton Gas is a natural gas provider for commercial and residential customers.


6. Avanti Exploration Louisiana

Avanti Exploration is a Denver, Colorado based oil and gas exploration and production company. Avanti was founded by John McIntyre and Bud Knell, both former senior executives with Forest Oil Corporation of Denver. Avanti focuses on the revitalization of old fields in Louisiana and has recently established Avanti SA, an affiliate company supported by private equity partners, to develop oil exploration and development opportunities onshore Brazil and Colombia.


7. Lmma

  • Website: lmma.com
  • Headquarters: Baltimore, Maryland, United States
  • Headcount: 1-10

My goal of forming LMMA was to be able to assist property owners with managing their properties, whether they were dealing with a gas company or pipeline company throughout the Appalachian region. It is hard to believe that 5 years have passed but looking back and realizing I have worked with hundreds and talked to thousands of mineral and surface owners and helped guide them through this process that is Natural Gas, I have the feeling of satisfaction of a job well done. I am pleased that you have decided to visit our website. In order that you may get to know me a little better I have written a brief summary of my work experience. Prior to starting and operating LMMA, I worked for five (5) years at a land management company in the Charleston, West Virginia area. My responsibilities included but were not limited to acquisition, leasing and management of oil and gas properties as well as developing new business opportunities. I worked for the West Virginia Department of Health and Human Resources (WV DHHR) from 2002 to 2005. In this position I managed the water and wastewater Training and Certification program. This program is responsible for the testing and certification of all water and wastewater operators in the State of West Virginia. From 2001 through 2002 I owned a small business called Compliance Solutions, LLC. I consulted with the Oil and Gas Industry specializing in leasing properties, seismic permitting and courthouse research as well as assisting the oil and gas industry with understanding and complying with oil, gas and environmental law. From 1999 to 2001 I worked for Weavertown Environmental Group. In this position I was responsible for marketing and account management in a multi-state region providing environmental remediation services, site assessment services, occupational exposure risk analysis and employee education opportunities for chemical, oil & gas, industrial and manufacturing entities. From 1986 through 1999 I worked for the West Virginia Division of Environmental Protection ...


8. Omo-eti

OMO-Energy & Technology, Inc., is a minority and Veteran Owned-Small Business Enterprise that supplies and distributes wholesale petroleum products and environmental & engineering consulting services throughout the United States via efficient and established suppliers and transportation networks.


9. Stella May Contracting, Inc.

  • Website: stellamay.com
  • Headquarters: Edgewood, Maryland, United States
  • Founded: 1995
  • Headcount: 51-200
  • LinkedIn

Stella May Contracting is a construction company specializing in gas, electric, water, and heavy civil construction. With a mission to build safely and serve, they provide reliable and efficient solutions to their clients. Their expertise includes electrical transmission and distribution, natural gas distribution, and heavy civil projects. Stella May Contracting is dedicated to delivering high-quality construction services while prioritizing safety. Contact them to choose them as your trusted construction partner.


10. 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.


11. Pillar Innovations

Pillar Innovations is a provider of custom machine design, machine engineering, and custom machine building. They offer turn-key solutions for various industries including machine building, communications security and access control, fire protection, and more.


12. 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.


13. 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.


14. energyconnect

energyconnect Inc is a company that operates in the Financial Services industry. It employs 1-5 people and has $0M-$1M of revenue. The company is headquartered in Baltimore, Maryland.


15. CleanBay Renewables Inc.

CleanBay Renewables is a company that focuses on the sustainable processing of waste from the poultry industry. They aim to reduce greenhouse gas emissions, improve the environment, and create a future for sustainable infrastructure. Their operations include recycling over 150,000 tons of chicken litter annually into renewable natural gas and natural fertilizer. They offer an economical way for farmers to dispose of agricultural waste while also improving soil productivity.


16. Jawa Petroleum Investment Company

  • Website: jawapc.com
  • Headquarters: Al Khobar, Maryland, United States
  • Founded: 2013
  • Headcount: 1001-5000
  • LinkedIn

Jawa Petroleum Investments is a diversified portfolio company offering a full range of services and products to serve all of your operational needs.


17. The Highland Group

The Highland Group is a professional services company that provides industry-based insights and needs-based solutions to its clients.


18. Easton Utilities

Easton Utilities is a municipal utility company that offers a wide range of services, including electric, natural gas, water, wastewater, and internet. They are committed to environmental stewardship and providing reliable and affordable services to their customers.


19. Bioenergy Devco

  • Website: bioenergydevco.com
  • Headquarters: Annapolis, Maryland, United States
  • Founded: 2016
  • Headcount: 51-200
  • Latest funding type: Private Equity
  • LinkedIn

BioenergyDevco is a company that specializes in anaerobic digestion to recycle organic waste and create clean energy and healthy living soils. They help fuel North America's renaissance in anaerobic digestion and offer solutions for municipalities, companies, and institutions to incorporate clean energy, achieve zero waste goals, and reduce their carbon footprint.


20. S.S. Papadopulos & Associates, Inc.

  • Website: sspa.com
  • Headquarters: Rockville, Maryland, United States
  • Founded: 1979
  • Headcount: 51-200
  • LinkedIn

SSP&A is a professional groundwater and hydrogeology consulting company established in 1979. They offer expertise in contaminant studies, environmental engineering, remediation, geochemistry, and surface-water hydrology. They develop and distribute software for groundwater modeling and related analysis. Their services include water resource studies, contamination studies, remediation feasibility studies, design, modeling, ecohydrology, geology and geophysics, database, GIS and mapping, software development, and applied research.


21. The Curry Team

  • Website: thecurryteam.com
  • Headquarters: Pikesville, Maryland, United States
  • Headcount: 1-10

The Curry Team is a company that operates in the Real Estate industry. It employs 6-10 people and has $1M-$5M of revenue. The company is headquartered in Pikesville, Maryland.


22. 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.


23. Software Productivity Strategists, Inc. (SPS)

  • Website: spsnet.com
  • Headquarters: Rockville, Maryland, United States
  • Founded: 1991
  • Headcount: 51-200
  • LinkedIn

SPSNet is a technology company that specializes in network visibility design and implementation services. They offer a range of solutions in various verticals including public sector, public safety and surveillance, education, industrials, manufacturing, transportation, utilities, healthcare, retail, supply chain, marketing/merchandising, and energy. Whether you are an entrepreneur or an enterprise, SPSNet can help you bring your vision to reality with their digital transformation expertise.


24. American Pipeline Contractors Association

Founded in 1971, the American Pipeline Contractors Association (APCA) represents merit shop construction firms, manufacturers, and distributors who build and maintain interstate pipeline systems. Every day, APCA members provide the manpower to build the infrastructure needed to deliver critical energy across the country.


25. Muthig Environmental

  • Website: muthig-env.com
  • Headquarters: Columbia, Maryland, United States
  • Founded: 2001
  • Headcount: 11-50

Muthig Environmental provides assessment and remediation of petroleum hydrocarbon contamination in soil and groundwater, their services include lectures, continuing education, insurance evaluations related to environmental matters, and forensic environmental investigations, regulatory liaison services, cost control for environmental projects.


Want to find more natural gas companies?


If you want to find more companies that offer diverse services from exploration, production to consulting 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:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!