Conn-Weld Industries, LLC.

Manufacturing customized equipment and engineering solutions for the mining industry.

Conn-Weld Industries, LLC is an engineering firm and 400,000 sq. ft. manufacturing facility providing a full product line of vibrating screening equipment, sieves, and various components serving the mining industry. Centered on customer’s needs, engineering experts custom design equipment to meet the toughest applications.

Remain committed to the same philosophy as we were founded on, to serve the customer by offering a quality product, produced in a timely fashion backed by dependable service

Persistence and commitment to be the industries global leader by continually optimizing equipment performance and developing products that serve our customers.

We align our equipment with your project and build partnerships based on respect and integrity.

“Conn-Weld has always epitomized values. I can attest to that during my entire career starting with the first vibrating screen we installed at Peabody’s WV operations”. 
– Joe Hatfield 2018 inductee into the WV Coal Hall of Fame

Stats and Facts

  • 400,000 sq. ft. of manufacturing facility

  • Founded in 1975, 46 years manufacturing experience.

  • More than a century combined of engineering experience.  Average engineer tenure is 15 years with the greatest 40 years.

  • Average employee term 10 years with 25 percent 20 years plus.

  • 225 employees

  • 35 countries supported

  • Market portfolio:  Coal; aggregate & stone; sand & gravel; fine metals; minerals; food; water treatment; metal; paper & pulp

  • 5,500 installations

  • 14’ x 28’ DD Banana Screen largest equipment built to date.


Conn-Weld provides a full product line of screening equipment, each customed designed to meet the customer’s unique application.

  • Sieve Unit 

  • Incline Vibrating Screen 

  • Dewatering Screen 

  • Horizontal Screen 

  • Multi-slope Banana Style Vibrating Screen

  • Extreme Duty Scalping Screen 

Screening Media

Every screen application presents a new challenge.  Over the years Conn-Weld has met this challenge by engineering and designing screen systems to size, dewater, filter, and to work under abrasive tough jobs.
Conn-Weld has engineered innovative solutions for applications in coal, aggregate, fine metals, minerals and more. 
District managers are positioned globally to support customers through the screen media selection process. 

 Conn-Weld Screening Systems and Media Products

  • Profile Wire

  • Urethane

  • Perforated Plate

  • Tufflok Screen Panel Locking Systems

  • Patented Panelok Screen Hold-Down System

  • Patented Panelok II Locking System

Conn-Weld Engineering Services and Technical Support

  • Finite Element Analysis

  • Vibration Analysis

  • Application Review

  • Plant Surveys

  • Measure for to replace existing equipment or new installation

  • Onsite installation and start-up support

  • Fully stocked inventory of spare parts and wear items

It is worth pointing out that in my opinion the people at Conn-Weld are the best in the industry to work with.  They are able and willing to answer all technical questions, properly size screening equipment for your application, and provide all the information needed to trust the equipment they specify is best for the application.  Finally, Conn-Weld follows-up with periodic site visits after the equipment is placed in service and does their own analysis to ensure the equipment is performing properly.

– Brad Parker, Process Engineer, Rosebud Mining

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Conn-Weld Industries, LLC
315 Wabash Road
Princeton, West Virginia, USA  2473


304 487 1421