Budderfly is redefining how energy efficiency, resilience, and grid participation can work together across America’s commercial sector. Under the leadership of CEO Al Subbloie, the company has pioneered a scalable Energy-as-a-Service (EaaS) model that removes capital and operational barriers preventing commercial businesses from modernizing their energy infrastructure and maximizing the benefits of the energy transition.
Ranked as the fastest-growing Energy as a Service (EaaS) company in the United States, Budderfly installs, monitors, and manages a combination of patented efficiency technologies, including equipment upgrades and proprietary energy software, for its customers. Businesses benefit from capital preservation, reduced carbon footprint, more reliable operations, and improved customer and employee experience.
To date, Budderfly has helped customers avoid more than 330,000 metric tons of carbon emissions. Budderfly ranked on the Inc. 5000 America’s Fastest-Growing Private Companies list for five consecutive years and the Deloitte Technology Fast 500 list from 2023 to 2025. In 2025, Budderfly was named to Fast Company’s worldwide list of Most Innovative Companies, CEO Al Subbloie was named to the TIME100 list of the world’s most influential climate leaders, and Budderfly’s Virtual Power Plant was named one of TIME’s Best Inventions.
History:
Energy Diagnostics, Inc. has been a leading expert in the energy industry for over 25 years. Founded when energy usage and conservation awareness was just beginning to emerge, Energy Diagnostics, Inc. has been an influential entity that has helped shape this now rapidly growing market of energy ratings, both commercial and residential. Over the past 25 years, we have built and maintained a reputation that reflects our commitment to accuracy, efficiency, and accountability for the work we put forth. The services that Energy Diagnostics, Inc. provide continue to be highly sought after, and our expertise in this field is unrivaled. Energy Diagnostics, Inc. has received many prestigious accolades, such as EPA Energy Star Partner of the Year, RESNET Rater of the Year, and NGBS Green Partner of the Year. We provide services nationwide, but focus our attention to the Midwest.
Corporate Qualifications:
Our exceptional staff of 30 has the experience and credentials to facilitate a multitude of services, including:
IECC Code Modeling
IECC Code Training
HVAC Design Engineering/Manual J, D, & S Calculations
IECC Testing and Certification
RESENT HERS Ratings
EPA Energy Star Certification
Tax Credit Documentation and Utility Rebate Modeling/Filing
NGBS Green Certification
LEED-H Certification
Enterprise Green Certifications
Home Energy Audits
State Commissioned QAP & VOA Multi-Family Verifications
IHCDA Utility Allowances
COMcheck
Experience:
Energy Diagnostics, Inc. is one of the top five companies nationwide to provide NGBS Green and EPA Energy Star Certifications. We have completed over 40,000 Energy Star and HERS certifications to date. Our company worked to design and provide the first NGBS Green certification for a development, located in Burns Harbor, IN. Energy Diagnostics, Inc. has been commissioned to do IECC code trainings in Michigan, Illinois, and Indiana, for builders, code officials, and other contractors. We have joined forces with the HBA of Chicago, as well as Indiana's IBA, as their premier code trainers. Energy Diagnostics Inc. has a client base as dynamic as we are; we service the largest national home builder, down to the smallest local contractor, and everyone in between. We work with utility companies, architects, developers, state agencies, local municipalities, and HVAC contractors.
Go Sustainable Energy (Go) is an energy consulting firm. We do not sell products, offer design services or conduct installations. We deliver accurate, unbiased information on energy-efficiency, renewable energy, and other energy topics to our clients.
Highly credentialed, Go's engineers specialize in energy-related studies ranging from industrial and commercial energy use, renewable energy technologies, energy modeling and analysis, and software development to name a few.
Go's deep expertise is built upon a solid foundation of core energy auditing, commissioning, energy simulation, and measurement & verification services. Our data-driven and customer-centric approach is increasingly used for strategic energy and sustainability planning and management.
Upon the solid foundation of these core services, Go performs a set of related organization-scale services including distributed energy resource consulting, portfolio data analytic studies / planning, fleet and facility decarbonization consulting, and others.