About Us

Group of ten professionals standing outdoors in front of building with glass doors.

Who we are

CQ Engineering & Sales is a licensed U.S. engineering firm delivering innovative, practical, and cost‑effective industrial solutions. With offices in Mobile, Alabama, Birmingham, Alabama, and Sarepta, Louisiana, we support clients across the Gulf Coast and beyond with deep technical expertise and a commitment to excellence.

Our leadership brings over 50 years of combined engineering experience, and our team has successfully served 131 corporate clients across multiple industries — from chemical manufacturing and refining to pharmaceuticals, food processing, and advanced materials.

Our mission

We provide high‑value engineering solutions that improve safety, reliability, and performance. Whether designing new systems or optimizing existing operations, we focus on delivering results that reduce cost, increase efficiency, and strengthen long‑term plant performance.

Where we are

We proudly serve clients throughout:

  • Mobile, Alabama

  • Brasília, Brazil

  • Surrounding Gulf Coast regions and international project locations

Our Experience

Since 2002, CQ Engineering & Sales has completed major engineering projects for global corporations including Evonik, Chevron, ExxonMobil, Shell, Sasol, DuPont, BASF, Linde, and many others. Our work spans chemical plants, refineries, food processing facilities, pharmaceutical operations, and specialty manufacturing.

Highlighted Projects

We have delivered successful engineering solutions across a wide range of applications, including:

  • Chemical plant expansions and process upgrades

  • Refinery optimization and safety improvements

  • Pharmaceutical production enhancements

  • Food and beverage manufacturing systems

  • International engineering projects in Europe, Asia, and South America

  • Specialty chemical and polymer production facilities

Innovations & Capabilities

CQ Engineering & Sales is known for developing cutting‑edge engineering solutions, including:

  • Advanced process modeling and simulation

  • Custom mechanical design

  • Hydraulic modeling and system optimization

  • Pressure relief system design

  • Fitness‑for‑service evaluations

  • Fixed equipment analysis

  • Legal and technical consultation services