K&K Aggregate is an open cut mining operation in Redstone Montana.
Our construction aggregate material and landscaping rock meets or exceeds Montana State Specifications. Our rock quarry is the home of over 13 million tons of proven aggregate reserves.
Our top of the line construction aggregate material and rock is available to commercial, municipal, and residential customers.
Our rock quarry produces a vast quantity of Rainbow River Stone.
Our production is sourced from our locally owned rock quarry.
Getting rock and gravel to you quickly is what we specialize in!
You can pickup or we will deliver your rock or gravel to your job site.
MDT & WAQTC Testing Agent
MDT & WAQTC Certification is a MUST at K&K Aggregate.
We take quality assurance and safety very seriously.
Our product is literally part of the foundation of our communities and state. Top quality rock and gravel is the only way to go to ensure the safety for so many lives.
K&K Aggregate has an in-house certified testing agent, Kim Opsahl holds certification with both MDT and WAQTC, she is certified for sieve and fine aggregate analysis.
Nothing can replace quality.
Certified MT/ND Scale
Our certified scale is compliant with Montana and North Dakota standards.
Each load that leaves our facility is weighed to ensure accuracy and quality assurance.