Tom Sosine

The San Jose Silicon Valley Chamber of Commerce provides business advice and maintains a blog to connect businesses with resources. The Chamber represents the interests of businesses in San Jose, CA and is a membership-based organization. The non-profit company is committed to connecting small businesses with the best resources available and offer a carefully curated list of business resources. Founded in 1886, it is one of the oldest and most respected chambers of commerce. The CEO of the company is Bob Linscheid.

The Sheet Metal & Air Conditioning Contractors' Natl Assoc, Inc. is an international trade association representing 3,500 contractor firms in the sheet metal and air conditioning industry. The private company is based in Chantilly, VA, with national offices located outside of Washington D.C. and on Capitol Hill. SMACNA is a leader in promoting quality and excellence in the industry, with additional offices located in other parts of the country. The company's members are responsible for delivering clean air in offices, homes, and hospitals, creating attractive facades on stadiums and office buildings, and providing comfortable and safe living environments.

SMART Union operates as a trade union. It provides training and skill programs to workers. The company was founded in January 2008 and is headquartered in Washington, DC.

United Mechanical, Inc. (California) provides plumbing, heating, air-conditioning, and other HVAC parts and supplies. It markets its products to retail building materials outlets and parts stores. The company was founded by Jon Gundersen and Tom Sosine in 2003 and headquartered in , CA.