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.

Established in 2009, for the purpose of introducing Polypropylene Vent Systems to the North American market, Centrotherm Eco Systems is a member of the Ubbink Centrotherm Group (UCG).

Consolidated Edison Company of New York, Inc. operates as one of the world’s largest energy delivery systems provider. Founded in 1823 as the New York Gas Light company, the company's electric, gas, and steam service now provides energy for the 10 million people who live in New York City and Westchester County.

Fehr’s long and storied history in International Trade and Distribution hails back to 1857 when Henry Fehr established a Tallow Trading Business in Switzerland. Shortly after, he moved his business to London, which was the Trading Capital of Europe at the time.

Huguenot Laboratories specializes in treating all aspects of fire sprinkler systems. The company represents over 50 years of experience in the water treatment and fire sprinkler industry. Huguenot is the only UL-certified product in the market. Huguenot Laboratories is a growth-oriented company whose mission is to provide a value-added service to the fire sprinkler industry.

International WELL Building Institute (IWBI) is the global authority for transforming health and well-being in buildings, organizations, and communities around the world. IWBI's mission is to lead the global movement for putting people first in business decision-making and culture.

Jaros, Baum & Bolles Consulting Engineers, LLP provides specialty services such as commissioning, audiovisual, distributed antenna systems, smart buildings, special inspections and MEP advisory services, as well as professional lighting design.

Keyframe is a NYC-based cross-asset investment firm. The firm’s generalist, cross-asset mandate allows it to invest across a diverse range of business models and capital structures. Keyframe looks to build long-term partnerships with companies and to leverage its flexibility to help solve their most complex asset and corporate financing requirements.

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.

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.

SustainUS is a nonprofit, nonpartisan organization of young people advancing sustainable development and youth empowerment in the United States. Through proactive education and advocacy at the policy-making and grassroots levels, they are building a future in which all people recognize the inherent equality and interdependence of social, economic, and environmental sustainability.

The HVAC Jerks weekly podcast is what anyone wouuld want to listen to between service calls, during their commute, or any time they just want to relax, but stay involved in the industry. The Boys just like having fun, with a little business and a little technical stuff thrown in to keep them honest.

For more than 90 years, Thomas C. Wilson has taken pride in crafting the finest products for tube cleaning, tube expanding, boiler and heat exchanger maintenance. knowledgeable staff understands the industry, and knows how to help you find the right equipment for application and budget. Whether looking for pipe cleaning equipment or entire HVAC maintenance systems, choose Thomas C.