What We Do

Aquarium-PipesNEWInterstate Mechanical Contractors is a leading mechanical contractor in the southeast United States. Headquartered in Knoxville, Tennessee, Interstate provides new construction contracting services as well as complete commercial service on all types, brands and sizes of HVAC and plumbing units and systems.

  • Interstate Mechanical Contractors, Inc. performs all phases of Division 15
  • Interstate Mechanical’s staff performs 92% of its work on an annual basis
  • Insulation and control work are subcontracted


Complete mechanical construction including:

  • Plumbing
  • HVAC
  • Millwright
  • Site Utilities



  • Project Range: $1,000 to $10 million
  • Established:  July 1982
  • Number of employees:  120+ (Average)
  • Licensed in:  Kentucky, North Carolina, Tennessee
  • Bonding: Travelers Casualty and Surety Company of America  (Best Rated A+, Financial Category XIV) 







Interstate Mechanical Contractors also offers complete HVAC and plumbing maintenance and repair services for all size commercial and industrial systems. Known since 1982 for our dedication to quality and service in the commercial/industrial contracting industry, we now bring that same level of service to the maintenance and repair market. 

  • Highly trained and experienced technicians
  • 24 Hour Repair Service available
  • Fast response on every request
  • Service on all sizes and brands
  • Competitive, affordable rates
  • Call IMC and mark your problem as solved!


In addition, we provide consulting services in all areas of mechanical systems including LEED™ certified construction.

We look forward to working with you whether your job involves new construction or service… no matter the size of your project!

Read more about Interstate Mechanical in this recent article in the “Commerce/Knoxville Business Journal.

Project Gallery

Our Mission

We are dedicated to providing our customers with top quality products and services, on-time and within budget. We accomplish this while maintaining integrity, teamwork and a safe work environment.


3200 Henson Road
Knoxville, TN 37921
phone: 865.588.0180