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44 Years
experience
Your Trusted Structural Engineering Software Partner
Since 1982, ENERCALC has been dedicated to simplifying structural and civil engineering through innovative software solutions. Our team of licensed engineers, with 6 to 25+ years of US-based design experience, develops tools trusted by over 75,000 professionals globally. We focus on creating intuitive, code-compliant software that streamlines component analysis and design for low-to-mid-rise structures.

Our 51 modules cover 90% of daily engineering tasks, including beams, columns, foundations, and seismic analysis. Headquartered in Missoula, Montana, we operate as a fully remote team across four countries, prioritizing transparency, customer care, and continuous improvement. Our core values emphasize simplicity, accountability, and fostering a supportive culture for both clients and employees.
Services
Beams Columns Foundations Walls Earth Retention Analysis Wind and Snow Seismic Miscellaneous Modules Material Databases
Details
  • Year established: 1982
Highlights and features
  • We have over 40 years of experience in structural engineering software development.
  • Our software includes 51 modules covering 90% of daily engineering tasks.
  • We offer seamless integration with Autodesk Revit for enhanced workflow efficiency.
  • Our team of licensed engineers brings 6-25+ years of US-based design experience.
  • We provide transparent and accountable service with a focus on customer care.
What people say
Intuitive interface Time-saving efficiency Reliable technical support Seamless Revit integration Comprehensive code coverage
Services
Beams
ENERCALC's beam modules analyze steel, wood, concrete, and composite beams under diverse loads. Tools include multiple simple beams, torsional analysis, and flitch-plated wood designs. Engineers benefit from instant calculations and code-compliant results aligned with IBC and ASCE standards.
Columns
Our column modules handle steel, wood, concrete, and masonry columns under axial and biaxial loads. Features include 3D interaction diagrams for concrete and 2D diagrams for masonry. Solutions ensure structural integrity while adhering to ACI and AISC codes.
Foundations
ENERCALC offers tools for spread footings, pile groups, and beam-on-elastic-foundation designs. Modules support finite element analysis and evaluate soil interactions. Applications range from residential posts to industrial slab assessments with safety factors.
Seismic
Seismic modules calculate base shear, wall anchorage, and nonstructural component demands per ASCE 7-22. Tools streamline compliance with earthquake load requirements for diverse structural systems.
ENERCALC for Revit
ENERCALC for Revit bridges calculation and documentation workflows. Real-time Revit API integration allows instant structural analysis, automatic model updates, and seamless data management without import/export steps.
People
Mark Riffey
CEO
Mark leads ENERCALC's strategic vision, fostering a culture of innovation and remote collaboration. With decades of industry experience, he prioritizes customer-centric software development and team empowerment.
Chris Conrad
Director of Engineering
Chris oversees engineering excellence, ensuring software aligns with practical design needs. His expertise in structural systems and code compliance drives product accuracy and usability.
Seth Roswurm
Senior Software Developer
Seth combines structural engineering licensure with software development to enhance ENERCALC's technical capabilities. He focuses on creating intuitive tools that simplify complex calculations.
Derek Sereno
Product Engineer
Derek bridges engineering theory and software functionality, optimizing modules for real-world applications. His work ensures tools meet both regulatory standards and user expectations.
Mack Eltarhoni
Senior Structural Engineer
Mack contributes deep structural design knowledge to product development. With 25+ years of experience, he ensures ENERCALC's tools address practical challenges faced by practicing engineers.
Questions
What software does ENERCALC offer?
ENERCALC provides structural engineering calculation software with 51 modules for analyzing beams, columns, foundations, and seismic loads, compatible with IBC and ASCE standards.
Is ENERCALC suitable for small projects?
Yes, our software excels at small-to-mid-rise structures, handling 90% of typical engineering tasks while maintaining code compliance and design accuracy.
Does ENERCALC integrate with Revit?
ENERCALC for Revit offers real-time integration, allowing engineers to perform calculations directly within Revit models without data transfer steps.
What support options are available?
We offer virtual training, technical support, and documentation resources. Subscribers receive updates and assistance to ensure smooth software operation.
In which countries is ENERCALC used?
Our software serves engineers in over 30 countries, including the US, Canada, Australia, Germany, and South Korea, with multilingual support options.