About Us

The partners of Principal Technology cut our teeth in the Sulfur industry in the 1980s and early '90s. While PTI's origin was as a multi-discipline engineering firm, our experience and success are firmly rooted in Sulfur. Our team launched the SulfurWorx website as a dual-purpose platform to showcase our experience and to provide information to support people who work in this unique industry.

Principal Technology was founded in 1997 in Dallas, Texas, with the single vision of providing fundamentally sound engineering and design services to industrial, infrastructure, energy, and manufacturing clients by a staff of exceptionally qualified professionals.

We offer multi-discipline, integrated, Total System Solutions to our clients. Our core expertise includes chemical, mechanical, piping, electrical, instrument, and control system engineering and design. Our business units offer engineering and design services, control system integration, and packaged equipment fabrication.

Our Sulfur Industry portfolio encompasses a broad range of projects, including safety systems, combustion management, traditional sulfur recovery, H2S removal, amine treating, sour water, thermal oxidizing, technology development and proof-of-concept systems, detailed design, design-build, training, start-up, and operations support for a diverse range of clients.

Our mission

Our mission is to develop and maintain a broad base of satisfied clients by providing Efficient Engineered Solutions that Solve our Client’s most Demanding Challenges.


Our People

Our Vision has changed very little since 1997. Our team, capabilities, and mission have evolved from the capabilities and purpose of a few close colleagues that first hung out our shingle 25 years ago to the Core Values developed and “owned” by our leadership team:

  • Integrity & Honesty
  • Excellence
  • Care & Pride
  • Flexibility & Relationships

Our Integrity

Integrity & Honesty: “Honor commitments and own our successes and mistakes”
is listed first of our Core Values by design.

Living up to this value begins with the professionals we hire to fill every position at our company. Our leadership team and people are the foundation of our corporate integrity.

Our Quality

Our Core Values of Excellence: “Strive for perfection in our performance and products” and Care & Pride: “Deliver Work Products that we stand behind and can brag about” are integral to our Culture.

The mechanics of how we live this Culture are embodied in the management roles of our discipline leads independently verifying the quality of our designs against industry standards, and our production group continually performing quality inspections and function tests to ensure our work and completed projects fulfill these values.

IN THE KNOW

Sulfur Recovery 101

Welcome to our site. The PTI team of engineers and designers has collected a unique portfolio of experience in the specialized world of sulfur recovery, gas sweetening, and related processes and equipment. Sulfur 101 is our opportunity to answer some common questions about sulfur and share helpful insights into the challenges operators face.

get your questions answered