Knowledge Base
Company Features
Our Products
Discover our diverse selection of products tailored to meet your metering and testing needs!
Software Updates
Stay ahead in your metering solutions, visit the TESCO Device Manager page and download the latest version, TESCO Device Manager. Enhance your utility management today with TDM's innovative features and reliable performance.
Testing and Support
Discover the wide range of services tailored to meet your various utility needs
History of Watthour Meter
Explore the fascinating history of watthour metering. This comprehensive resource provides an in-depth look at various electromechanical and early electronic meters manufactured in North America.
Upcoming Conferences
The Meter Schools and Trade Shows directory lists information on all upcoming meter conferences and meter schools in North America. Come see us in person on the event dates listed.
Itron Inspire
Palm Desert, CA Palm Desert, CA, United StatesOAEC Superintendents, Engineers & AMI Conference
Choctaw Casino Resort 4216 S. Hwy 69/75, Durant, OK, United StatesSWEMA Texas Meter School
Brazos County Expo Center 5827 Leonard Rd, Bryan, TX, United StatesEUSERC Q4 Meeting
Sacramento, CA Sacramento, CA, United StatesMESO Fall Conference
Grand Casino Hotel & Convention Center 777 Grand Casino Blvd, Shawnee, United StatesNWPPA/APA Alaska Electric Utility Conference
Anchorage, AK Anchorage, AK, United StatesExplore the presentations TESCO has delivered at previous meter schools and conferences to gain insights of past contributions and expertise in this field.
Contact Us
Have a question about a product or service?
925 Canal Street, Bristol, PA 19007
Directions to our main office
- From Jefferson Avenue, turn onto Canal Street.
- Immediately past the loading dock, turn right in to the courtyard.
- You may park in the TESCO visitor spots on the right hand side of the courtyard.
- Go through the door marked “Grundy Commons” in the courtyard and take the elevator to the third floor.
- Turn right off the elevator and head to TESCO’s main reception area.
TESCO - The Eastern Specialty Company
925 Canal Street
Bristol, PA 19007
+1 215-228-0500
About TESCO
TESCO – The Eastern Specialty Company was founded in 1904 by a metering engineer at the Philadelphia Electric Company (PECO) who saw a need for safer products in the industry and designed the first meter test switch to promote safer field operations. TESCO also designed the first load boxes and transformer burden test equipment, and became the industry standard for electric meter testing throughout the 20th century. Utilities all across North America have used and relied on TESCO products for 117 years.
Our Family of Companies
- TESCO is ISO 9001:2015 Certified
- The TESCO Calibration & Testing Laboratory is ISO/IEC 17025:2017 Accredited
- ANSI/NCSL Z540-1-1994 Compliant (MIL-STD-45662A plus software control)
- Traceable reference standards maintained through national laboratories (e.g. NRC, NIST) in a diverse extended scope of accreditation
TESCO recognizes the commitment to supplier diversity that is embraced by corporations and government agencies today, and we can add diversity to your supply chain. TESCO has a Certified Women Owned Business supplier that you can purchase our products from. Please contact us for more information.