China-Places.com hat ca. aufgelistet 40 Unternehmen im Bezirk Longgang. Einige der am besten Unternehmen im Bezirk Longgang sind- Xinyuanfeng Steel Trading Co. Ltd., Huludao Shengbailong Door And Window Production Limited Company, Huludao Steel Tube Industry General Company, Huludao North China Hi-Tech Waterproof Engineering Material Limited Company, Huludao Longgang Foodstuffs Company, Huludao Jinchi Plastics Limited Company, PetroChina Northeast Sale Niederlassung Huludao, Liaoning Tobacco Company Huludao Company, Taixing Shipping Peitao Steel Structure Limited Company & Huludao Shuangli Steel Structure Engineering Co. Ltd..