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The National Association of Tower Erectors (NATE)

NATE is a non–profit trade organization that provides members with uniform safety standards, improved communications, and a unified voice to help communications, and a unified voice to help shape the future of the tower industry. NATE is also leading the way with loss control for the tower construction industry. Active in all facets of the trade, NATE has become recognized as the leader in telecommunications and broadcast construction procedures and practices.

NWTE has used the resources of NATE to develop a company safety and training program. NWTE’s climbers are experienced and have completed training courses in Tower Climber fall protection and RF Site Safety Awareness. As a member of NATE, NWTE stays informed of the issues relevant to the tower erection industry.

The Association of Public–Safety Communications Officials – International, Inc. – APCO International

APCO International is the world’s oldest and largest non–for–profit professional organization dedicated to the enhancement of public safety communications. With more than 16,000 members around the world, APCO International exists to serve the people who manage, operate, maintain, and supply the communications system used to safeguard the lives and property of citizens everywhere.

NWTE is currently the project manager for the Snohomish County 911 Emergency Radio System, Phase II. Our APCO membership allows us to stay informed on issues involving the public safety communications industry.

The National Association of Broadcasters

The National Association of Broadcasters is a full service trade association that promotes and protects the interests of radio and television broadcasters. NAB is the broadcasters’ voice before congress, federal agencies and courts. NAB works to keep members informed on policy issues, technology and management trends. Their staff provides news, industry research and legal expertise. Our membership at NAB keeps us up to date about the television and radio industries.

The Society of Broadcast Engineers

The Society of Broadcast Engineers is a non–profit organization serving the interests of Broadcast Engineers. They are devoted to the advancement of all levels of Broadcast Engineering. Membership consists of studio and transmitter operators and technicians, supervisors, announcer– technicians, chief engineers of commercial and educational stations, engineering vice presidents, consultants, field and sales engineers. Also included are broadcast engineers from recording studios, schools, CCTV and CATV, production houses, corporate audio–visual departments, and other facilities.

Harvey Carlisle, P.E. and Steven Diamond, P.E. are members of the Eugene and Seattle Chapters respectively. NWTE is also a sustaining member of SBE.


AISC is a not–for–profit technical institute and trade association established to serve the structural steel design community and construction industry in the United States. AISC’s mission is to make structural steel the material of choice by being the leader in structural–steel–related technical and market–building activities, including: specification and code development, research, education, technical assistance, quality certification, standardization, and market development. AISC has a long tradition of more than 80 years of service to the steel construction industry providing timely and reliable information. Harvey Carlisle, P.E. is a member of AISC.


ASCE promotes knowledge and understanding of the rich history of the American Society of Civil Engineers and the civil engineering profession—their origins, core values, ethics, people, projects and programs. As the oldest national professional engineering society, the American Society of Civil Engineers’ core purpose is to advance the art, science and profession of engineering to enhance the welfare of humanity. The formal establishment of the ASCE Archives facilitates the achievement of this objective by promoting knowledge and understanding of the rich history of the civil engineering field in addition to the origins, aims, programs and goals of the Society itself. Harvey Carlisle, P.E. is a member of ASCE. AISC Website

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