Job Posting – Petersen Companies (Keweenaw) Published May 4, 2020 By Julie Ross Job Postings Petersen Companies are looking for some summer workers to help with their construction and environmental work in the Keweenaw this summer. Please contact Mark Petersen if interested. Mark Petersen Petersen Companies Cell 715-892-1884 ← Previous Post Career Services Post – Maximizing Your Time at Home Next Post → Job Posting – GM Environmental Intern