Infrasense is a client-focused consulting firm that specializes in the non-destructive evaluation (NDE) of bridge decks, highway and airfield pavements, tunnels, parking structures, and other transportation facilities. Our capabilities are supported by research, refined through years of practical experience, and validated with extensive repeat business.

Nantucket Engineering & Survey is a year round, island-based firm specializing in Civil Engineering, Land Surveying and Land Use Consulting. Our licensed principal, Arthur Gasbarro, has over twenty-years experience working exclusively on Nantucket Island. We are intimately familiar with local bylaws, regulations and practices. This positions us well for success before regulatory boards and commissions to balance the interests of our clients with that of Nantucket island requirements. Arthur's specialties are in septic system design and coastal stabilization. He has designed over a thousand island septic systems, both conventional and trending innovative/alternative technology. He handles everything from initial design to supervising the permitting and installation. Arthur is uniquely experienced in navigating dynamic coastal environments. He has planned, and seen through the permitting process dozens of coastal stabilization systems, that he then monitors year round. Nantucket Engineering and Survey adheres to the highest standards of practice. We take pride in knowing that our work is conducted with diligence, efficiency and integrity, so as to uphold our obligations to our clients and our community. We demonstrate commitment to meeting client expectations by prompt responses and being available on our client's schedules. We believe in customer service. Our staff are members of the American Society of Civil Engineers (ASCE), The Boston Society of Civil Engineers (BSCE), The Massachusetts Association of Land Surveyors and Civil Engineers (MALSCE), and The National Society of Professional Surveyors(NSPS). We comply with the cannons and codes of conduct of each as an utmost responsibility as licensed professionals.

Richard Williams and Chris Sparages formed Williams & Sparages to serve the needs of residential and commercial construction and development in Massachusetts. With over 45 years of combined civil engineering experience in the region, you probably drive, shop or reside where Williams & Sparages provided engineering services. For developers and builders, Williams & Sparages has the local expertise and experience to navigate the complexities of the permitting process for any size project. For homeowners, your home projects often require permits that may be unfamiliar to you. Williams & Sparages can provide personal service to guide you through your project, from start to finish. For attorneys and financial institutions, Williams & Sparages provides fast, comprehensive services for due diligence reviews in P&S agreements, ALTA/ ASCM Surveys for loan underwriting, land development permitting, as well as support for local zoning filings. For community administrators, as independent peer-review consultants, Williams & Sparages brings experience and objectivity to meet the needs of your community.

JDE Civil, Inc. is a land development engineering firm located in beautiful North Easton, Massachusetts. We provide land development permitting and civil engineering solutions for commercial, retail and residential developers, municipalities, and homeowners. Our registered professional engineers have many years of experience providing these solutions and services.