WHO ARE WE

A TechPro Power Group company, Sentinel-TDS, based in Dallas/Ft. Worth, TX, has been delivering industry-leading service solutions for over 30 years that empower its customers to safely start up and optimize the performance of their facilities’ electrical and controls systems. Sentinel-TDS provides electrical, instrumentation and control testing and start-up and commissioning services to the power, oil & gas, process industries and other industrial end markets.

Company Mission & Values

EXPERIENCED IN PACKAGED EQUIPMENT

Compressors | Pumps | Turbines
| Boilers | Towers and more.

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IN YOUR KNOW

Our TDS team is versed all types of powerplant operations and industry processes to ensure we are talking your language and know how to get your job done right.

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ASK US ABOUT

Our experienced technicians in POWER ISLAND, BALANCE OF PLANT OPERATIONS and EQUIPMENT MAINTENANCE

CASE STUDY

COAL-FIRED POWER PLANT

TDS is currently the primary transition operations support contractor for a large coal-fired power plant in the Western U.S.

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CASE STUDY

SOLVING THE TECHNICAL STAFFING GAP

Using outsourcing to find and onboard highly skilled technicians in key positions can make all the difference in ensuring the success of your project.

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Potomac Testing Inc. Joins TDS Family of Companies

Ft. Worth, TX – January 13, 2020 – TECHNICAL DIAGNOSTIC SERVICES (“TDS”) and POTOMAC TESTING INC. (“Potomac Testing”) announced today that Potomac Testing has joined the TDS family of companies. Commenting on the acquisition, Mr. Ken Bassett, President of Potomac...

TDS Expands Management Team with New VP Operations

Mr. Chris Heise has joined the company in the newly created role of Vice President of Operations. Bringing his 20 years of electrical, service and operational experience to TDS, Mr. Heise will have overall responsibility for field services and equipment...

Meet the TDS Team: BUSINESS DEVELOPMENT EXECUTIVE, DOUGLAS TOMISON

At TDS, we know that when it comes to safety, who you work with is important. We believe in the power of our people and their ability to provide innovative and tailored solutions for customers. So periodically, we like you to get to know them a bit better. In this...

TDS is Now a Proud Distributor of Omicron

You asked, We listened! TDS now distributes equipment from Omicron including these great products: CMC356 Universal Relay Test SetCPC100 Universal Primary Injection Test SetCPTD Capacitance /Dissipation Factor(Tan Delta)CTA SB2- CT analyzer with CT SB2 Upgrade Switch...

Company Founder John J. Lapicola Retires from TDS

Ft. Worth, TX – April 08, 2019 – TECHNICAL DIAGNOSTIC SERVICES (TDS) today announced the retirement of founder John J. Lapicola P.E. from company business operations. Mr. Lapicola started TDS twenty-five years ago with a mission of providing the power...