Central Valley Chapter
California Land Surveyors Association

"Promoting the professional practice of land surveying in the California Central Valley.
Serving the greater Merced, Stanislaus and San Joaquin County Area."

Corporate Sponsors

The following organizations or businesses have supported the work of the CLSA Central Valley by becoming a corporate sponsor. Corporate sponsorships are available on an annual basis for a donation of $100. If you are interested in becoming a corporate sponsor of our chapter, please contact any of the chapter officers. We greatly appreciate the generous support of our corporate sponsors.

1st Call Utility Locating

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If you need to locate underground utilities in Northern California - the Bay, Modesto, Sacramento and Stockton areas – call us! We have extensive field expertise and the latest technology available to provide you with high quality utility locating services and AutoCAD mapping.

Our professionally trained utility locators have experience locating in some of the most difficult and complex conditions. Our locators have accurately located underground utilities at airports, electric substations, power plants, oil refineries, prisons, hospitals and gas stations. Our extensive experience and training allows us to use the most advanced locating techniques and technology to ensure quality and safety for your project.

We are a family owned and operated business and we take pride in every job we do – “1st in Safety, 1st in Customer Satisfaction” is our motto, and we mean it!

Aerial Photomapping Services

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Aerial Photomapping Services has been providing the latest in Photogrammetry, Digital Orthophotography and now Lidar as well as other related services since it's opening in 1988. We are centrally located in Clovis, Ca. and provide professionals with our services in all areas of the state and region.

Benchmark Engineering

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The success of our company is directly linked with the success of our clients. We make every effort to meet our clients needs and provide the necessary support for their success. We strive to provide exceptional professional service to all of our clients.

With planning, engineering, surveying services working together under one roof, the client will receive solutions to most problems, while eliminating some of the communication difficulties associated with using multiple firms.

Engineering Supply Company

Gary - ESC
Since 1985 Engineering Supply Company has established itself as an industry leader, providing cutting edge technologies that give Surveyors, Civil Engineers and General Contractors the competitive edge by placing a strong emphasis such critical issues as training, technical support and highly efficient equipment servicing. Engineering Supply Company is focused on offering "The Complete Solution" from basic field supplies like stakes, hubs, flagging and marking paint to Robotics, Scanners, Mobil Mapping and a wide range of Software solutions to get the job done. At Engineering Supply Company our commitment to customer service is very well known throughout the industry and we take particularly great pride in the fact well over half of all new business is created by customer referrals.

GSP Consulting

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GSP Consulting and Synergy Mapping are privately owned professional consulting and geospatial firms which offer comprehensive aerial mapping services throughout the United States. Our team members collectively have over 75 years of experience in the surveying and mapping industry and have been involved with numerous mapping projects from small land development projects to large county wide GIS projects. The closely controlled structure of GSP Consulting and Synergy Mapping ensure the superior quality of its products and services, each of which is tailored to meet the individual client's specific requirements.
Through our core values of professionalism, innovation, and integrity, GSP Consulting and Synergy Mapping provide superior mapping services utilizing the most advanced technology in a cost-effective manner while providing impeccable customer service. Customer service and satisfaction is our #1 goal.

Kier & Wright Civil Engineers & Surveyors, Inc.

Kier & Wright Civil Engineers & Surveyors, Inc. has provided comprehensive civil engineering and land surveying services to both public and private sector clients since 1972. Civil engineering services include land planning, street and highway design, municipal consultation, utility engineering, and the preparation of civil engineering plans for residential, commercial and industrial site developments. Land surveying services include ALTA surveys, boundary and topographic surveys, subdivision mapping, monitoring surveys and construction staking.

The Kier & Wright Philosophy:
Kier & Wright is committed to providing timely, efficient, and cost-effective services to our clients. We will continue to provide the best civil engineering and land surveying services possible, and continue to maintain the outstanding reputation we have enjoyed since the founding of our firm.

Kjeldsen, Sinnock, Neudeck Incorporated (KSN)

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KSN is a full service civil engineering and land surveying firm specializing in the planning, design, surveying and mapping of public works infrastructure, transportation, water resources, commercial, industrial, and institutional projects. KSN has been providing professional services to public and private clients throughout California's Central Valley since 1956. Our highly qualified staff of 22 professionals includes 8 Registered Civil Engineers and 4 Licensed Land Surveyors.

NorthStar Engineering Group, Inc.

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At NorthStar Engineering Group, Inc., our philosophy is simple: We believe that quality civil engineering design, based on precision surveying, is the backbone of any civil engineering project and outstanding service is what makes it all come together.

O'Dell Engineering

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O’Dell Engineering is a multi-discipline engineering and surveying firm headquartered in Modesto, California with an additional office in Palo Alto. Since its establishment in 1994, O’Dell engineering has provided an array of professional design, surveying, and planning services. These services have continued to expand with the firm’s growth and led to the addition of the 3D Laser Scanning and Landscape Architecture divisions.


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Looking for California property data and California parcel maps? ParcelQuest is the sole provider of daily updated county assessor property data in California. We cover every county and every parcel, all 13 million properties, continually updated by the county assessors' offices. ParcelQuest is the only company that works directly with all of the county assessors in the state to provide updated California parcel data online. We are in constant contact with the assessors' offices, and thanks to this close relationship, we are able to bring you the most current data and parcel maps available anywhere.

Quartaroli & Associates, Incorporated

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Quartaroli & Associates, Incorporated is a land surveying and land planning consulting firm providing services to the private and public sector. Michael L. Quartaroli, Licensed Land Surveyor and President, has been actively involved in land surveying in the San Joaquin Valley and Motherlode since 1975 and in 1987 organized the firm of Quartaroli & Associates.


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SANDIS is a professional services corporation specializing in civil engineering, traffic engineering, land surveying and planning. Established in 1965, SANDIS is a California Corporation comprised of 145 employees. SANDIS employs the best and the brightest in our industry. We recruit well rounded individuals whom are committed to innovation, excellence, leadership and environmental stewardship. SANDIS’ expertise is expansive. We service private and public clients in the high tech, research and redevelopment, laboratory, corporate, commercial, residential, healthcare, academic, hospitality, civic, justice and public works sectors.

Service Philosophy: We deliver exceptional client service. At SANDIS, we continuously mold and shape the way we operate to reflect the growing and changing demands of our clients. We ask questions, listen attentively, and respond expediently. We proactively seek out ways to dissolve the line between client and consultant. We work diligently to enhance project execution and delivery. We do whatever it takes to best serve our clients. SANDIS looks for innovative ways to save time and money and to provide added value to each project. We collaborate extensively with our clients, consultants and design team members to ensure that design solutions are thoughtfully explored and evaluated. We strive to exceed our clients expectations at every stage of a project.

Keith W. Spencer, PLS, CFedS

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Expert Witness, Land Surveying - Condominium Plans - Land Planning - Legal Description Preparation (New) - Legal Description Review & Analysis - Certificate of Compliance Document Preparation - Lot Line Adjustment Document Preparation - Title Report Review & Analysis - Municipal Contract Services Surveyor Consulting - QA/QC Professional Work Product by other Consultant - Radius Map Preparation - Annexations - Zoning Maps and support Documents

Vista International Insurance Brokers Ltd., LLC

Vista Insurance has been the CLSA endorsed Insurance Brokerage for over 20 years, offering one-stop shopping for all Land Surveyors, Mapping Companies, Engineers, and related fields. We work with dozens of A rated carriers, providing broad policies, excellent service, and claims management. We write Commercial Insurance (Workers’ Compensation, General Liability, Professional Liability, Commercial Auto, Field Equipment & Tools, Employment Practices, and other Business Management Insurance Products) as well as Personal Insurance (Home, Auto, Rentals, Landlord Protection, Motorcycle, Boat, Life, Health, & Disability). Our understanding of your unique insurance needs and strong, long-lasting relationships with niche insurance carriers ensure you will get the insurance you deserve at the pricing you can afford.

V V H Consulting Engineers

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VVH Consulting Engineers provides sustainable civil solutions for Owners/Developers, Contractors, and Public Agencies with a focus on land development and public infrastructure. We offer quality services in Land Planning, Project Entitlements, Civil Engineering, Land Surveying, Mapping, Construction Administration, Construction Staking, Storm Water Compliance, Air Quality Compliance, and Sustainability. We are civil engineers, land surveyors, project managers, LEED Accredited Professionals, Qualified SWPPP Developers and Practitioners.