American Fence Association (AFA)

The largest and most comprehensive resource in the industry for the latest developments, tools, materials, standards, trends and discounts. AFA members invest in success by putting customer satisfaction first and foremost through dedication to completing the highest quality projects that meet local, state and national standards, while still maintaining aesthetic appeal. AFA membership garners the prestige associated with the industry’s best contractors and manufacturers.

American Gas Association (AGA)

The American Gas Association represents companies delivering natural gas to customers to help meet their energy needs.  AGA members are committed to delivering natural gas safely, reliably and cost-effectively in an environmentally responsible way.

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American Petroleum Institute (API)

The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Their members are producers, refiners, suppliers, marketers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry. Although its focus is primarily domestic, in recent years work has expanded to include a growing international dimension, and today API is recognized around the world for its broad range of programs.

American Public Gas Association (APGA)

APGA is the only not-for-profit trade organization representing America’s publicly owned natural gas local distribution companies (LDCs). APGA represents the interests of public gas before Congress, federal agencies and other energy-related stakeholders by developing regulatory and legislative policies that further the goals of our members. In addition, APGA organizes meetings, seminars, and workshops with a specific goal to improve the reliability, operational efficiency, and regulatory environment in which public gas systems operate. Through APGA, public gas systems work together to stay reliably informed about new developments in safety, public policy, operations, technology, and the marketplace that could affect the communities and consumers they serve.

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American Public Works Association (APWA)

The American Public Works Association (APWA) serves professionals in all aspects of public works—a fact that sets it apart from other organizations and makes it an effective voice of public works throughout North America. With a worldwide membership over 28,500 strong, APWA includes not only personnel from local, county, state/province, and federal agencies, but also private sector personnel who supply products and services to those professionals.

American Society of Civil Engineers (ASCE)

The American Society of Civil Engineers represents more than 150,000 members of the civil engineering profession in 177 countries. Founded in 1852, ASCE is the nation’s oldest engineering society. ASCE stands at the forefront of a profession that plans, designs, constructs, and operates society’s economic and social engine – the built environment – while protecting and restoring the natural environment.

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American Water Works Association (AWWA)

The American Water Works Association is an international, nonprofit, scientific and educational society dedicated to providing total water solutions assuring the effective management of water. Founded in 1881, the Association is the largest organization of water supply professionals in the world. Our membership includes over 3,900 utilities that supply roughly 80 percent of the nation’s drinking water and treat almost half of the nation’s wastewater. Our nearly 50,000 total memberships represent the full spectrum of the water community: public water and wastewater systems, environmental advocates, scientists, academicians, and others who hold a genuine interest in water, our most important resource. AWWA unites the diverse water community to advance public health, safety, the economy, and the environment.

Associated General Contractors Association (AGC)

The Associated General Contractors of America (AGC) is the leading association for the construction industry. AGC represents more than 26,000 firms, including over 6,500 of America’s leading general contractors, and over 9,000 specialty-contracting firms. More than 10,500 service providers and suppliers are also associated with AGC, all through a nationwide network of chapters.

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Association of Oil Pipelines (AOPL)

The Association of Oil Pipe Lines (“AOPL”) represents the interests of owners and operators of America’s liquid pipelines. Liquid pipelines bring crude oil to the nation’s refineries and important petroleum products to our communities, including all grades of gasoline, diesel, jet fuel, home heating oil, kerosene, propane, and biofuels. AOPL members also transport carbon dioxide to oil and natural gas fields, where it can be used efficiently to enhance production.

Canadian Association of Pipeline and Utility Locating Contractors (CAPULC)

The Canadian Association of Pipeline and Utility Locating Contractors provides leadership, promotes safety, and works to enhance the value and reputation of the underground facility locating industry in Canada.

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Coastal and Marine Operators (CAMO)

To explore and discuss issues and challenges, in preventing spills, releases and damage to coastal and marine pipelines, which negatively impacts the environment (and safety).

Common Ground Alliance (CGA)

CGA is a member-driven association of individuals, organizations and sponsors in every facet of the underground utility industry. Committed to saving lives and preventing damage to underground infrastructure by promoting effective damage prevention practices, CGA established itself as the leading organization in reducing damages to underground facilities in North America through shared responsibility among all stakeholders. CGA welcomes all stakeholders who would like to be a part of the identification and promotion of best practices that lead to a reduction in damage.

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Cross Bore Safety Association (CBSA)

The Cross Bore Safety Association is a community of industry professional that have joined together to address all aspects of utility cross bores for protection against loss of life, injury and property damage.

Canadian Public Works Association (CPWA)

CPWA members plan, design, build, operate and maintain transportation, water supply, storm drainage, sewage and refuse disposal systems, public buildings, and other structures and facilities and provide community services that are essential to Canada’s economy and quality of life.

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Distribution Contractors Association (DCA)

The Distribution Contractors Association, headquartered just outside of Dallas, is a member-centered association. Our members participate in a variety of committees and annual activities that ultimately benefit the entire industry. Our members look to the association as an advocate for safety, a venue for networking and a voice in labor relations. Membership in the DCA serves as evidence of a distribution contractor’s commitment to quality, cost-effective, safe construction goals. Our members promote and abide by the highest standards in the industry.

Geospatial Information Technology Association (GITA)

The Geospatial Information & Technology Association (GITA) is a member-led nonprofit professional association and leading advocate for anyone using geospatial technology to help operate, maintain, and protect the infrastructure, which includes organizations such as utilities, telecommunication companies, and the public sector. Through industry-leading educational events – along with research initiatives, chapters, membership, and other programs – GITA provides education and professional best practices. Please join us in this endeavor!

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Interstate Natural Gas Association of America (INGAA)

A trade organization that advocates regulatory and legislative positions of importance to the natural gas pipeline industry in North America. INGAA is comprised of members representing the vast majority of the interstate natural gas transmission pipeline companies in the U.S. and comparable companies in Canada. INGAA’s members serve as an indispensable link between natural gas producers and consumers.

Midwest Energy Association (MEA)

MEA (Midwest ENERGY Association) was founded as a trade association over 100 years ago by distribution utilities, whose vision was to improve safety and efficiency. Today, utilities and energy delivery companies around the globe benefit from MEA’s industry learning seminars, operations summits, and other events. Members collaborated to develop EnergyU, the world’s premier online training and testing system for gas and electric distribution utilities.

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National Association of Landscape Professionals (NALP)

The National Association of Landscape Professionals is the national trade association representing nearly 1 million landscape industry professionals in the United States, with additional members in Canada and overseas. Member companies specialize in lawn care, landscape design and installation, landscape maintenance, tree care, irrigation and water management, and interior plantscaping. Members also include students, consultants, industry suppliers, state associations and affiliate members.

National Association of Sewer Service Companies (NASSCO)

NASSCO is an association that brings together professionals dedicated to evaluating and repairing sewers. Our members combine their practical experience and technical expertise in a non-competitive environment to set standards and make sure work is done right.  NASSCO addresses issues quickly while also providing training, networking, and committee participation opportunities. Even one member can make a positive impact on the entire sewer industry. NASSCO is committed to setting industry standards for the assessment and rehabilitation of underground infrastructure, and to assure the continued acceptance and growth of trenchless technologies.

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National Utility Contractors Association (NUCA)

NUCA is the National Utility Contractors Association — the leading trade association working solely for the utility construction and excavation industry in the United States. NUCA’s nationwide network of state/regional Chapters and member companies represent utility contractors, excavators, suppliers, manufacturers, and other providers in the water, sewer, gas, electric, telecommunications, treatment plant, and excavation industries.

North American Society of Trenchless Technology (NASTT)

NASTT is an engineering society of individuals, public organizations and private companies with strong beliefs in the practical, social and environmental benefits of trenchless technology. NASTT’s mission is to advance trenchless technology and to promote its benefits for the public and the natural environment by increasing awareness and knowledge through technical information dissemination, research and development, education and training. NASTT strives to provide a representative voice for all sectors of the trenchless technology industry.

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North American Telecommunications Damage Prevention Council (NTDPC)

The North American Telecommunications Damage Prevention Council (NTDPC) is a non-competitive forum dedicated to promoting the protection of underground facilities, subsurface facility awareness and the use of One Call notification systems. Our goal is to prevent damage to the buried facilities that form the telecommunications infrastructure of the United States and Canada.  End-to-end integrity and the ongoing reliability of these facilities are vital to our shared national interests.


Formerly known as the National Utility Locating Contractors Association, we are now “Nulca – representing utility locating professionals”. Nulca was formed in 1994 by several contract locating companies to advance locating throughout North America. In 1996, Nulca published its first Competency Standard for training utility locators. This guideline has since become the industry standard and is now in its fifth revision. It serves as the basis for the Nulca Accreditation/Certification program, rolled out in March 2016 through a partnership with NSF, the industry leader in safety-based risk management solutions and verification.

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One Call Systems International (OCSI)

One-Call Systems International (OCSI) is recognized as a leader in facility damage prevention that understands the dynamics and interdependence among public works, facility owners, regulatory/compliance agencies, and professional excavators. Since it’s inception in the mid-70s, OCSI has assisted One-Call centers, facility owners and damage prevention professionals in their quest for enhancing the call center policies and, therefore, helping to protect the nation’s infrastructure.

Pipeline Association for Public Awareness (PAPA)

The Pipeline Association for Public Awareness is a nonprofit corporation established in 2004 to provide pipeline safety and emergency preparedness information to residents, businesses, farmers, excavators, emergency responders and public officials. The Association believes that open communication and cooperation with local organizations enhances public safety, improves emergency preparedness, protects the environment and prevents damage to property and facilities.

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