Sonnhalter, a communications firm marketing to the professional tradesman in the construction industry, is hosting a free one-hour Webinar on how manufacturers and marketers can utilize LinkedIn, a professional networking site. It will be held on Tuesday, July 13, 2010 at 2 p.m. EDT.

Participants can visit www.SonnhalterLinkedInWebinar.notlong.com to register for the "LinkedIn: How Can B-to-B Manufacturers and Marketers Utilize the Professional Networking Site" Webinar. It will teach manufacturers and marketers how to harness the power of LinkedIn by showing how to grow contacts, join groups and use the social media site to promote thought leadership and ultimately, to generate sales leads.