Family Business with Family Qualities

State of the Art Equipment and Flexible Plant Operations to Meet Your Specifications

TXDOT certified and recommended

History of High Quality for multi-million/billion dollar projects

We're a Welch family company and we've been mining in Texas since 1976.

Serving Clients with Quality Since 1976

Close Proximity (trucking distance) to Texas and Louisiana Shale Formations

Oil and Gas Well Services - Hydraulic Proppants

LMI is an excellent strategic partner for well services companies looking to minimize freight costs given our close proximity (trucking distance) to the Eagleford, Woodbine, Eaglebine, and Tuscaloosa shale formations.

LMI offers hydraulic proppants derived from Texas sands. Our proppants are tested and meet API certification standards for sphericity, conductivity, structural integrity and crush strength. Lab reports upon request.

Our certified frac sand products include:
  • ISO/API spec 30/50
  • ISO/API spec 40/70
  • ISO/API 100 Mesh

Highway, Commercial and Residential Construction - Aggregates

LMI is a state-approved TXDOT vendor. With consistent quality and mass production capacity, LMI has earned the trust of the largest concrete companies and sub-contractors in the greater Houston area. We have supplied large contracts such as the Beltway 8 expansion, the Interstate 45 expansion, and the Exxon world headquarters. We get several referrals from the State of Texas for the quality and consistency of our sand.

Construction end-uses:
  • Residential Construction - Asphalt
  • Commercial Construction Gunite
  • State of Texas Bridge and Highway Construction
  • State of Texas Concrete Pipe Products

Industrial Uses

Our state of the art equipment allows us to adjust plant specs to produce custom sand for a variety of industrial end uses. Our clients use our products for multi-million dollar projects, and we understand the importance of providing the highest quality materials to spec on time EVERY time.

Our industrial products include:
  • Glass sand
  • Filtration media sand
  • Golf course sand
  • Specialty silica
  • Blasting sand
  • Foundry - metal casting and moldings
  • Grout and stucco mixes
  • Fiber Glass Pipe
  • Silica Flour
Other needs - Contact us!

Contact Us

E-mail: info@libertymaterials.com
855.877.1555 Toll Free
936.334.1555 Main Office
LMI Proppants
19507 Moorhead Rd,
Conroe TX 77302

Conroe Plant
18214 East River Road,
Conroe, Texas 77302

Moss Hill Plant
155 CR 2107
Liberty, Texas 77575