H. J. OLDENKAMP CO. Back to Search H. J. OLDENKAMP CO. 4850 Coolidge Hwy , Royal Oak , MI , 48073-1022 (586) 497-7534 www.oldenkamp.com www.oldenkamp.com www.oldenkamp.com www.oldenkamp.com www.oldenkamp.com www.oldenkamp.com www.oldenkamp.com Contacts Primary John Bergmann (none) Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone