Gerald “GG” Davis
Principal
GG is a licensed Master Gasfitter with over 35 years of experience in the natural gas industry. He is well respected in the industry and currently serves on the NFPA Board responsible for establishing building code in North America. GG is also a current member of the Plumbing Heating and Cooling Contractors Association and a previous Board member. He previously served as Chair of the St. Mary’s County Plumbing and Fuel Gas Board and as a member of the American Gas Association Standards Committee.
Licenses & Certifications
- District of Columbia: Master Gasfitter · Gasfitter Contractor
- Maryland: First Grade Engineer · Propane Gasfitter · Master Gasfitter · Master HVAC
- Virginia: Master HVAC · Master Gasfitter · Contractor’s License Class “B”
- WSSC Master Gasfitter
Nell Ann Shelley
Principal
Nell Ann has over 25 years’ experience in the natural gas industry, managing large infrastructure projects and utility operations. She has led multiple project initiatives to successful completion and brings deep expertise in utility customer service and project management.
Licenses & Certifications
- PMI Certified PMP (15 years)
- Certified Natural Gas Professional — Gas Technology Institute
- Six Sigma Green Belt
- Graduate of the Disney Institute
Kevin Herdeman
Partner
Kevin is a Journeyman Gasfitter licensed since 2011. He has extensive experience in natural gas installations and is certified to install various innovative piping materials including WARDFLEX.
Licenses & Certifications
- WSSC Journeyman Gasfitter (2011)
- WARDFLEX Certified
Santiago Rosas, Jr.
Partner
Santiago has worked in the natural gas industry for his entire career. He is a licensed Journeyman Gasfitter certified to install innovative piping materials including WARDFLEX. Santiago is also fluent in Spanish and available to assist our bilingual customers.
Licenses & Certifications
- Maryland Journeyman Gasfitter (2016)
- WARDFLEX Certified
- Se habla Español
Kevin Keaton
Director, Rough-In Operations
Kevin is a licensed Journeyman Gas Fitter with 33 years of experience working directly on natural gas infrastructure. He is experienced in both below-ground and above-ground natural gas installations including DOT 192 regulations. He holds a multitude of Operator Qualifications and is certified in CSST installations.
Licenses & Certifications
- Journeyman Gasfitter
- Six Sigma Green Belt
- DOT 192 Qualified
- CSST Certified
Ready to Start a Project?
Contact our estimating team for a consultation.