Iowa's Best Contractors

Tower Systems INC

REGISTERED

Commercial & Institutional Bldg Construction · Watertown, SD

Tower Systems INC is currently registered as a construction contractor with the State of Iowa under registration number C090124, last issued or renewed 2026-03-24 and current through 2027-04-30. Iowa registration confirms compliance with state labor law. It is not a license, and the State does not assess skill.

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This contractor is based in SD and holds an Iowa contractor registration, which is required to perform construction work in Iowa.

Tower Systems INC at a glance

What they do
Elevator Systems · Installations · Maintenance · Technology Upgrades · MET Services Business website
Registered in
Watertown, SD State record
Phone
(605) 886-0930 State record
Website
towersystems.com Business website
Check the registration
No. C090124, current, verify with the State State record

State registration

Registration number
C090124
Status
Registered
Issued / last renewed
2026-03-24
Expires
2027-04-30
Primary trade
Commercial & Institutional Bldg Construction
Owner of record
Kari Carlson
Issuing authority
DIAL

Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-09-14. Verify this registration with the State of Iowa. How to check a registration yourself.

About Tower Systems INC

From towersystems.com

Tower Systems INC logo

Founded in 1975 to promote the TS Elevator Systems developed by company founder, Bill Carlson, Tower Systems has grown steadily over the years operating on the corporate values of safety, integrity, and exceptional customer service. The company quickly evolved into the telecommunications space, building towers all across the world. In 1991 Tower Systems moved its headquarters from Cambridge, Minnesota to Watertown, South Dakota, taking advantage of South Dakota’s favorable business climate. Two years later, with the cellular boom in full force, the Southeast division was added in Winter Park, Florida. And in 1997, always staying loyal to his hometown roots, Bill added a satellite office in Angle Inlet, Minnesota which allowed him to work, fish, hunt, and enjoy his family all at the same time. Today, the company is led by Bill’s daughter Kari and is proud to hold the designation of Woman-Owned Business. Kari and the Tower Systems team continue to enlarge its global footprint while maintaining the values that it was founded upon over 45 years ago.

  • In business since 1975

Services listed on their website

  • Elevator Systems
  • Installations
  • Maintenance
  • Technology Upgrades
  • MET Services

Read from the business’s own website (towersystems.com). We have not verified it and this business has not claimed this listing. Is this your business? Claim it free to edit or remove anything here, or request a correction.

What Tower Systems INC is registered to do

The State classifies Tower Systems INC as commercial & institutional bldg construction. That classification comes from the registration itself, not from us. It describes the work the business registered to perform, and it is not an assessment of skill or a limit on what they may quote for.

2026-03-24

registration last issued or renewed with the State

1,164

registered commercial & institutional bldg construction in Iowa, this business among them

All 1,164 registered commercial & institutional bldg construction in Iowa →

Sources for this profile

  • Registration: Active Iowa Construction Contractor Registrations, last updated 2026-09-14. Verify registration C090124
  • About the business: read from its website, towersystems.com/about. Not written or confirmed by the business.