Port Huron based P.J. Wallbank Springs is receiving recognition from a national business publication. The automotive manufacturer was listed in the top 5000 of the nation’s fastest growing private companies recently by Inc Magazine. This is the second year the company has been listed in the rankings. President Chris Wallbank says, “We are excited for the changes that this growth will create for our company and the opportunities it will provide for members of our organization.” P. J. Wallbank springs operates out of the Port Huron Industrial Park and was established 35 years ago.