William V. Gardocki William V. Gardocki10 Sheridan Dr Londonderry, NH 03053-2283US (603) 231-1162 Contact us Staff with Certifications Name Job Title CertificationsWilliam GardockiPresident PICP Permeable Interlocking Concrete Pavement CertificationWilliam GardockiPresident ICP Interlocking Concrete Pavement CertificationWilliam GardockiPresident SRW Segmental Retaining Walls Certification Contact William V. Gardocki Close X/TwitterThis field is for validation purposes and should be left unchanged.Email(Required) SubjectMessage(Required)Please let us know what's on your mind. Have a question for us? Ask away.CAPTCHAΔ