Welcome to TESCO

TESCO - The Eastern Specialty Company
The trusted source for electric meter testing equipment and metering accessories for over 100 Years. Our company is growing and working to serve YOU!

Any meter technician or engineer knows the TESCO name means reliability and ruggedness. This reputation continues today with our commitment to develop and deliver new watt-hour & demand test equipment, desktop meter stations, test switches, safety equipment, meter testing & programming, and
a full range of operational & AMI support needed in today's competitive and changing market.

Today these products combined with engineered solutions, such as AMI meter farms, multi-position watt-hour test boards, TESCO Meter Manager Software, as well as a wide variety of meter services & engineering support for special projects and reporting to regulating agencies and Public Utility Commissions (PUCs) help to make TESCO the preferred supplier for utilities worldwide. TESCO's services include accuracy testing of new meters, acceptance testing, meter re-programming, vendor interface & technical support for complex meter projects, deployment planning, and make-to-order equipment.

Directory of All Meter Conferences & Schools

The Meter Conferences & Schools directory lists information on all upcoming meter conferences and meter schools in North America. Come see us in person on the event dates listed. You can also review our past TESCO Conference Presentations.

TESCO Meeting Center

Enter a project or demonstration related meeting and review any pertinent information regarding the meeting.

TESCO - The Eastern Specialty Company/Advent Design Corporation Win Two More Manufacturing Awards

TESCO-The Eastern Specialty Company is the largest operating division of Advent Design Corporation. Primarily driven by the growth of the TESCO division Advent Design Corporation has been named one of the 100 Fastest Growing Privately held firms in the Philadelphia region. As a Manufacturer we are pleased that we were one of the top five in the Region and would like to thank all of our Utility customers for making this possible. Advent is the only firm to win this distinction eleven times in the past twenty years.

Advent was also honored as the Small Business Innovative Manufacturer of the Year for our work in automating our manufacturing process. We are very proud of both accomplishments and look forward to continuing to grow and continuing to improve what we do and how we do these things for all of our Utility customers.

Future 50 Award
Future 50 Award


Multi-Purpose Test Station
TESCO Multi-Purpose Test Station

As meter testing requirements continue to evolve, TESCO is excited to offer an affordable, yet versatile meter accuracy test board designed to handle all of your testing needs.

Training Board
TESCO K-Base Test Board Adapters

The TESCO K-Base Test Board Adapters allow quick, convenient testing of self-contained K-Base meters on test boards designed for socket type meters.

Training Board
TESCO Consignment Equipment

TESCO is now offering used equipment to our utility customers at a huge cost savings compared to buying new.

westinghouse meter

TESCO has recently acquired a website dedicated entirely to the history of the electric meter. There is also a section with a running forum where you can provide comments, or ask questions. Check it out!

Time-Run Demand Board
TESCO Time-Run Demand Board

The TESCO Time-Run Demand Board is a customizable three-phase test board that applies potential and current to electric meters via phantom load and has the ability to set time-run intervals for comparison tests against an integrated meter.

Service Disconnect Adapter
TESCO 254 Service Disconnect Adapter

TESCO's Service Disconnect Adapter disconnects customer load, while maintaining power to the meter, and tilting the meter to a 45° angle.


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