Business Details
50+ Years
experience
Emergency
services
Expert Excavation & Demolition Services in Jefferson City
Founded in 1959, Twehous Excavating has cultivated a legacy of excellence in excavation, demolition, and construction services across Missouri. Our family-owned business combines over 60 years of industry experience with a fleet of advanced equipment to deliver tailored solutions for complex infrastructure projects. We prioritize safety, innovation, and customer satisfaction, maintaining a workforce trained in MSHA and OSHA standards while earning recognition from the Missouri Trucking Association and Associated General Contractors.Our commitment to quality extends beyond project completion, fostering long-term client relationships through reliability and adaptability. With a team of approximately 100 employees, including second- and third-generation family members, we continue to expand our capabilities in utility construction, concrete work, heavy hauling, and geotechnical services. Our dedication to community and environmental responsibility ensures every project meets the highest standards of craftsmanship and sustainability.
Services
Excavating & Site Grading
Utility Construction
Concrete Construction
Demolition
Drilling & Blasting
Heavy Hauling
Geotechnical Boring
Soft Dig Excavation
Mine Services
Snow Removal
Details
- Year established: 1959
Highlights and features
- We offer 65 years of specialized expertise in excavation and demolition.
- Our family-owned business prioritizes personalized service and adaptability.
- We maintain 24/7 emergency response availability for critical projects.
- Our safety programs have earned industry-recognized awards and certifications.
- We operate a diverse fleet of advanced equipment for all project scales.
Associations and certifications
- Missouri Trucking Association
- Associated General Contractors of America
- Associated General Contractors of Missouri
Services
Excavating & Site Grading
Twehous Excavating specializes in precision grading using advanced GPS systems and heavy machinery. Our team handles projects of all scales, from small commercial sites to large infrastructure developments. With decades of experience, we ensure accurate terrain preparation for roads, buildings, and utilities.
Demolition
We provide controlled demolition for buildings, pavements, and industrial structures. Our fleet includes excavators and specialized attachments for safe, efficient removal of concrete, steel, and asphalt. Compliance with safety regulations and environmental standards is guaranteed for every project.
Utility Construction
Our utility services include sewer systems, waterlines, and conduit trenching. Certified HDPE pipe welding and leachate collection systems are installed by experienced crews. We prioritize protecting existing infrastructure while meeting municipal code requirements for new developments.
Drilling & Blasting
Twehous Excavating offers licensed blasting services for residential, commercial, and industrial projects. We use modern equipment and adhere to strict safety protocols, working closely with state and federal agencies to ensure compliance with all regulations and environmental standards.
Heavy Hauling
Our transportation division handles oversized and overweight loads across the U.S. We manage permits, routing, and safety requirements for specialized cargo. With a fleet including multi-axle trailers, we guarantee timely delivery of heavy equipment and materials.
People
Frank Twehous
Founder
Founded the company in 1959 with a single bulldozer, establishing a legacy of integrity and excellence in excavation services.
Laverne Twehous
Co-Founder
Partnered with Frank Twehous to build the business from a home office into a regional industry leader over 60+ years.
Brice Simmons
Health and Safety Director
Manages MSHA and OSHA compliance programs, ensuring rigorous safety standards across all projects and operations.
Questions
What excavation services do you offer?
We provide site grading, utility trenching, demolition, and geotechnical boring using advanced equipment and experienced crews.
Are you licensed for blasting operations?
Yes, our licensed blasters follow strict safety protocols and regulatory requirements for all residential and industrial projects.
Do you handle emergency excavation needs?
We offer 24/7 emergency response for critical projects like snow removal and infrastructure repairs.
How long has your company been in business?
We've served Missouri since 1959, celebrating 65 years of excavation and construction expertise in 2024.
What safety certifications do you hold?
Our team maintains MSHA and OSHA certifications, with superintendents trained in trenching, fall protection, and confined space operations.
Can you transport heavy equipment across states?
Our heavy haul division manages oversized loads throughout the contiguous United States with full permitting support.
