Addition invests in early and growth stage technology companies. The firm was founded with a mission to support visionary entrepreneurs on their journey to build impactful and enduring businesses.

ADI Global Distribution is the major global wholesale distributor of security, AV and low-voltage products for licensed contractors. They’re committed to offering the best products and technologies from top brands, the service and assistance for every project, and the resources and tools for business growth so that their customers can spend their time where it matters most.

Based in Long Island City, New York, AFGO is a third generation family owned and operated organization recognized as the New York Metropolitan Area’s leading full-service provider of custom HVAC service programs and mechanical installations for commercial, residential and industrial buildings, as well as retail and restaurant facilities. They specialize in HVAC Replacement Coils, Heat Exchangers and Replacement Tube Bundles.

Founded in 1933, Airserco is a renowned manufacturer of HVAC solutions. Airserco offers a range of products for the refrigeration industry, including automatic refrigerant charging and evacuation stations, vacuum gauges and sensors, tank heaters and controls, oxyhydrogen brazing stations, pressure leak testing, and customized end of line testing solutions.

Brinco Mechanical Management Services, Inc. is committed to providing the highest quality of national commercial HVAC and refrigeration management services. For over 40 years, they have delivered those services with professionalism, transparency, integrity, dedication, and expertise. Brinco provides installation and service of a variety of Energy Management Systems nationally.

Copper Development Association, Inc. (CDA) is a U.S-based, not-for-profit association of the global copper industry, influencing the use of copper and copper alloys through research, development and education, as well as technical and end-user support.

Corning Incorporated (Corning Inc.) s one of the innovators in materials science, with a 167-year track record of life-changing inventions. Corning applies its unparalleled expertise in glass science, ceramics science, and optical physics along with its deep manufacturing and engineering capabilities to develop category-defining products that transform industries and enhance people's lives.

Custom Filters Direct is a reputable manufacturer and supplier of high-quality, custom-made filters catering to various industries. With years of experience in the field, they offer a comprehensive service from design to delivery. Based in New York City, Custom Filters Direct serves the entire USA, and they have one of the country’s largest selections of air filters ready for delivery.

Deford Heating and Air Conditioning Inc. offers High Quality Heating & Cooling Equipment and Service to Residential and Commercial Customers in the Corvallis, Albany, and Surrounding Oregon Area.

Denair HVAC is one of the fast-growing HVAC companies in New York. Denair HVAC has the expertise to get the job done on time and within budget. They provide Ductwork, HVAC Equipment Installation, Preventive Maintenance, Repair/Service, Piping, Shop Drawings, Project Management, Project Coordination, HVAC, Mechanical, Cooling Tower, and Boiler.

EMI offers a comprehensive line of ductless air conditioning systems with equipment for both hydronic as well as refrigerant-based systems. With exceptional performance and operating economy, ductless split systems are the ideal solution for light commercial, institutional & residential applications.

FAMILY DANZ HEATING & COOLING LLC is an individual & family services company providing quality HVAC service to the Capital Region and beyond for over 40 years, whether it be residential HVAC, commercial HVAC, and fuel services.

Honey-Do-Men is an experienced and full-service home improvement contractor. They provide comprehensive remodeling, repair, and maintenance solutions for home owners. For anyone who requires their assistance in gutter repair or replacement, roof repair, or handyman services, they can help.

HP Products, Corporation is a wholesale distribution company. Established in 1988, their sales department has over 40 years experience in Heating, Air Conditioning, and Refrigeration.

Hudson is a provider of Refrigerants, Onsite Refrigerant Services and Refrigerant Reclaim, improving the performance of HVACR systems, saving energy, restoring capacity, and extending equipment life.

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IBM discover, design and develop advanced information technology, and translate that into value for their clients through consulting services.

Irr Supply Centers, Inc. is a renowned distributor of Plumbing, Heating, Cooling, Electrical, and Refrigeration products serving a wide range of customers throughout Western/Central New York and Northern Pennsylvania.

John R. Robinson Inc. has been providing quality and reliable tube tool equipment to the global power industry since 1907. Their broad products inventory includes condensers, heat exchangers, chillers and boiler tube cleaning gun, rotary cleaning machine, brushes, shafts, descaler, tube plugs, leak detection, vacuum, installation/removal tools, and gasket cutter.

Lendlease is a globally integrated real estate and investment group with core expertise in shaping cities and creating strong and connected communities. They create award-winning urban precincts, new communities for older people and young families just starting out, retail precincts, and work places to the highest sustainability standards.

Marley Cooling is a globally renowned manufacturer of fluid coolers, cooling towers, fans, cooling tower components, cooling systems, media filters and evaporative cooling technologies.

Meier Supply is an employee-owned wholesale distribution business with a rich history and family culture. With five distinct divisions, they provide service and support throughout the HVACR community in NY and Pennsylvania.

Mike Mulligan Refrigerants provides HVAC Contractors with customizable R-22 Refrigerant Buyback Programs and Direct Refrigerant Sales.

The Fourth Industrial Revolution is here and Motivair is uniquely positioned to support its continued evolution. They wide range of products are focused on providing customized cooling solutions for the critical infrastructure and technology behind the world’s businesses, allowing them to offer better products and services while generating higher revenues and profits for their investors.

A global leader in CAM nesting software and HVAC layout software for CNC sheet and plate cutting.

N & S HVAC provides customers with the finest selection of quality plumbing, heating and HVAC products, at affordable prices.

NCE is a supplier of new and remanufactured air conditioning and refrigeration compressors for commercial, industrial and transportation applications.

At Petri Plumbing & Heating, they are proud to live and work in Brooklyn! They’ve been here since 1906, offering fast, reliable, guaranteed Brooklyn plumbing service to all of the customers.

Pfannenberg, Inc. is a Manufacturer of Thermal Management, Liquid Cooling Solutions, and Signaling Technologies.

Pro Aire Design Consultants is an HVAC Design and Build company specializing in installations, sales, servicing, contracts, units, parts, control systems, and more. Pro Aire offers a wealth of experience in every facet of the HVAC business.