'I am satisfied with the quality & safety of J. Irwin Company's work.'
EnCana Oil & Gas Representative


Field Management

H.W. Clark – Chief Operating Officer

H.W. ‘Bucky’ Clark has been instrumental to the success of J. Irwin Company, bringing over 30 years of experience in gas processing and pipelines. Throughout Bucky’s career in natural gas construction he has worked all over the United States building plants, stations and pipelines and brings that expertise in different regions to J. Irwin Company. Bucky was instrumental in building the 330mcf/d Teauge Plant in Freestone county for XTO Energy which contained a booster station, amine and glycol units as well a refrigeration unit to separate the ngl’s. Considered highly unique, the Teague plant contains a rare pacques unit which utilizes bio-technology to clean the tail gas of H₂S, producing byproducts of hydrogen and sulfur.

During his time managing the Freestone area Bucky excelled at providing high-quality results when deadlines were the key drivers. Bucky has proven to be a successful leader and now oversees operations in the Eagle Ford Shale and Freestone County areas, while also working alongside Mark Lunaas in the Haynseville Shale area.


Mark Lunaas – Regional Superintendent

Mark joined J. Irwin in 2002, having now been in natural gas construction business for 34 years, beginning his career as a welder and moving on to construction supervisor.

Career highlights include supervising the construction of the TRWD Compressor Station and Amine Plant, Cotton Cove Compressor and Amine Plant, West Walsh, Midpoint, Westlake, and numerous 120 million/per day compressor station sites. He is now an area supervisor over the Barnett Shale and Texas panhandle areas while also working alongside Bucky Clark in the Haynesville Shale.

Well respected throughout the industry and with an imaginative approach, Mark Lunaas brings a strong sense of purpose and a collaborative, team-oriented approach to every project. His dedication to safety guidelines and high degree of respect from employees, management & administration makes Mark a valued and critical asset to J. Irwin.


Cory Pearson – Field Superintendent

Jaime Montoya – Field Superintendent

Fransisco Rivera – Field Superintendent


Office Management



NG Cotton – President/ Owner

NG founded J. Irwin Company in 1999, bringing with him over 35 years of experience and expertise in the natural gas construction field. Known as an effective and dynamic leader, NG is a highly respected figure in the natural gas industry.

He has successfully lead a force responsible for installing hundreds of compressors for gathering systems, numerous processing plants as well as hundreds of miles of pipelines. NG has been highly involved in the development of gathering systems in the Barnett Shale, witnessing a dramatic step up from 100 mcf/d when construction began to processing over 900mcf/d of gas. During the early stages of J. Irwin Company, NG was critical in the development of XTO Energy’s gathering system in the Freestone area where H₂S gas was the main concern and saw an increase from 100mcf/d to 700mcf/d of gas flow.

NG has grown the business from 5 employees to over 300 employees during the company’s 10 year existence. He has also expanded operations that now include the Eagle Ford, Haynesville and Marcellus Shales.


Angela Schultz – Chief Executive Officer

Angela is one of the longest tenured employee’s at J. Irwin Company and is responsible for every aspect of the business. During Angela’s tenure as CEO she has been directly involved in the rapid expansion of J. Irwin Company. Under her leadership J. Irwin Company has grown to over 300 employees and continues to thrive in new regions like South Texas, Louisiana and West Virginia. Her dynamic leadership skills and attention to detail make her a very effective CEO. Angela’s guidance over the field and office has proven useful as the company continues to operate efficiently and effectively.


Josh Augustine – Chief Financial Officer

Josh has been with J. Irwin Company since June of 2009 and continues to find ways to increase profitability. Josh’s primary responsibility is managing the financial risks of the company, but it is not out of the ordinary to see Josh at a marketing event or operations meeting. Through his leadership, J. Irwin Company has transformed its financial position and strengthened its ability to undertake large projects.

Josh holds a B.B.A. in Finance from Texas State University.