Suggest an Edit Name* Categories* Arts & Entertainment Automotive Business Services Computers & Electronics Construction & Contractors Education Food & Drink Health & Beauty Home & Gardens Industry & Agriculture Landmarks Legal & Financial Organisations & Government Pets & Animals Real Estate Report a problem Shopping & Services Sports & Recreations Travel & Accommodation Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 08:00 am — 06:00 pm Tuesday: 08:00 am — 06:00 pm Wednesday: 08:00 am — 06:00 pm Thursday: 08:00 am — 06:00 pm Friday: 08:00 am — 06:00 pm Saturday: 09:00 am — 05:00 pm Company description Collin Jones Rock Engineering Ltd is business services based in . Collin Jones Rock Engineering Ltd is located at Penamser Industrial Estate, Porthmadog, Gwynedd LL49 9NZ, United Kingdom. You can find Collin Jones Rock Engineering Ltd opening hours, address, driving directions and map, photos and phone numbers . Find helpful customer reviewsand write your own review to rate the business service.</br> Your comments (not for publishing) * — Required information Collin Jones Rock Engineering Ltd ← View details Penamser Industrial Estate, Porthmadog, Gwynedd LL49 9NZ, United Kingdom, Porthmadog, England