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Phone: (636) 583-8698 | | Fax: (636) 583-5971

Scaffolding Erection

hth companies is a full-service scaffold company. Providing scaffolding services throughout the Midwest hth is skilled in all forms of scaffold builds and dismantling projects.

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Mechanical Insulation

Focusing on insulation of piping, equipment, ductwork, and plumbing systems, hth has the knowledge, craftsmen, and experience necessary to successfully complete any size project.


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Industrial Cleaning

We are equipped to meet the high-intensity demands of routine maintenance cleaning, pre-commissioning and decommissioning projects, scheduled outages and emergency response services. hth companies utilizes state-of-the-art equipment to ensure the job is done well the first time.

Learn how hth companies can help with the dirty jobs
Industrial Maintenance

From everyday maintenance in fully functioning plants to high-demand situations including turnarounds and emergency shutdowns.

Let hth companies help keep your facility up & running
Confined Space Rescue

hth companies confined space rescue teams consist of Fire/Rescue, Paramedic, and Emergency Medical Technicians (EMT) who are trained to the highest standards.

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Paintings & Coatings

Corrosion, slippery surfaces, vibration, and even beautification can be a challenge at most industrial sites. At hth companies, we have the skilled workforce and product knowledge to ensure your painting and coating projects will be a success.

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Mechanical Work

hth companies is a full-service mechanical support company fully equipped to provide pipe fitting, welding, pump repairs, custom build platforms, building additions, and every day mechanical maintenance support.

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Business Inquiries
Business Inquiries
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