Langan Engineering & Environmental Services, Inc. Back to Search Langan Engineering & Environmental Services, Inc. Categories Products & Controls Environmental Consulting 1 University Square Drive, Suite 110 , Princeton , NJ , 08540 (609) 282-8000 (609) 282-8001 Send Email http://www.langan.com/ Contacts Primary Mark Devaney Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone
