Business Details
50+ Years
experience
Trusted Heavy Industrial Construction Services in Baltimore
Green Contracting has been a trusted leader in heavy industrial and mechanical construction since 1959. Our employee-owned business prioritizes excellence in the workplace and complete customer satisfaction by consistently meeting and exceeding client expectations. With over six decades of experience, we have expanded from boiler installations to comprehensive industrial construction, including structural steel erection, process piping, and heavy rigging. Our financial stability ensures we meet diverse project demands while maintaining strict safety and quality standards. Our certified safety professionals hold credentials such as Certified Safety Professional (CSP) and Occupational Safety & Health Technician (OHST), ensuring safe project execution.Our Quality Control Program adheres to ASME, USACE, and NAVFAC standards, guaranteeing compliance with contractual and code requirements. We maintain ASME U, S, and National Board R Certificates, reflecting our expertise in pressure vessel and boiler work. Our in-house BIM and fabrication capabilities enhance efficiency, reduce risk, and deliver precise, high-quality results. We serve government agencies, healthcare institutions, and private manufacturers across the Baltimore-Washington region. Our commitment to innovation, safety, and quality has solidified our reputation as an industry standard for reliability and craftsmanship.
Services
Boiler Installations
Structural Steel Erection
Process Piping
Heavy Rigging
BIM Modeling
Pressure Vessel Repairs
Commissioning Services
ASME Code Work
Central Plant Construction
Power Piping Systems
Details
- Year established: 1959
Highlights and features
- We have over 56 years of experience in industrial construction.
- Our team holds ASME U, S, and National Board R Certificates.
- We maintain a certified safety program with CSP and OHST professionals.
- Our financial stability ensures reliable project completion.
- We self-perform structural steel, piping, and rigging work.
Associations and certifications
- ASME U Certificate No. 21864
- ASME S Certificate No. 26937
- National Board of Boilers and Pressure Vessel Inspectors R Certificate No. R-316
Services
Boiler Installations
We specialize in ASME-certified boiler installations, replacements, and repairs. Our team meets strict safety and quality standards, ensuring reliable operation for industrial and government clients. Our expertise includes high-pressure systems and compliance with B31.1 piping codes.
Structural Steel Erection
Our certified welders and master riggers handle complex steel erection projects. We follow AWS D1.1 standards for structural integrity, supporting piping systems and heavy equipment installations in challenging environments.
Process Piping
We design and install high-energy piping systems for power plants and manufacturing facilities. Our ASME B31.3-compliant work ensures safe, efficient transport of liquids and gases in mission-critical applications.
BIM Modeling
Our BIM capabilities optimize project planning and coordination. We use 3D modeling to reduce field errors, improve efficiency, and deliver accurate as-built documentation for complex industrial projects.
Commissioning Services
We ensure seamless system start-up through comprehensive commissioning. Our team troubleshoots issues during installation, verifying design intent and operational efficiency for mechanical systems.
People
Samuel Schell, Jr.
President
Samuel Schell, Jr. leads Green Contracting with decades of industry experience. He oversees strategic growth while maintaining the company's commitment to quality and employee ownership.
Phil Schwalje
General Manager
Phil Schwalje manages daily operations and safety programs. He ensures project execution aligns with contractual requirements and industry standards while fostering client relationships.
Peggy DeLetis
Controller
Peggy DeLetis oversees financial operations, ensuring fiscal stability and compliance. Her leadership supports project funding and long-term business sustainability.
Eric Herzig
Project Manager
Eric Herzig directs complex construction projects from planning to completion. He coordinates teams to meet deadlines, budgets, and quality standards for industrial clients.
Denny Stroupe
QA/QC Manager
Denny Stroupe leads quality assurance initiatives, maintaining compliance with ASME and AWS standards. He audits processes to ensure code adherence and client satisfaction.
Questions
What industries do you serve?
We serve government agencies, healthcare facilities, universities, and private manufacturers in energy, healthcare, and industrial sectors.
Are you ASME-certified?
Yes, we hold ASME U, S, and National Board R Certificates for pressure vessels and boiler work since 1979.
Do you handle complex rigging projects?
Yes, our master riggers and specialized equipment handle heavy machinery placement in tight spaces using advanced planning.
How do you ensure project safety?
Our safety program includes CSP-certified staff, OSHA-compliant training, and daily safety audits across all job sites.
Can you manage large-scale projects?
Yes, our financial stability and in-house capabilities support multi-million-dollar projects from design through completion.
Do you offer BIM services?
Yes, our BIM team creates 3D models for clash detection, coordination, and as-built documentation to enhance project efficiency.
