WJH Engineering, LLC Share: Engineers WJH Engineering, LLC 2517 State Highway 35, Bldg B, Suite 301 Manasquan, NJ 08736 (732) 223-1313 (732) 223-8273 (fax) Rep Info Map Whom to Contact Walter Hopkin President 2517 State Highway 35, Bldg B, Suite 301 Manasquan, NJ 08736 Phone: (732) 223-1313 Fax: (732) 223-8273 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.