

STH LLC Information
Contact top employees from
STH LLC
Summary
STH LLC has been in the industry for 53 years. The company currently specializes in the Construction area. Its headquarters is located at US. The estimated number of employees - 50. To connect with STH LLC employee register on SignalHire.
Organization Website | sthinc.com |
Phone Number | (301) 682-3390 |
Industries | |
Headquarters Location | Frederick, US |
Employees Size | 100-200 employees |
Founded | 1973 |
Employees Turnover 1 quarter 2026
Number of employees switched from or switched to
Total number all of employee turnover
Length of Employment
Employee tenure at STH LLC shows a diverse range of experience levels:
3% have been with the company for less than 1 year7% for 1–2 years17% for 3–4 years14% for 5–7 years10% for 8–10 years48% have over 11 years of service at STH LLCContact top employees from
STH LLC
Gareth Koogle
President
Marlena Schweikart
Pre-Construction Coordinator
Luis Zuniga
Technical Project Manager
Philip Enzler
Aftermarket Sales Representative
Kelli Swift
Lead Aftermarket Contractor Representative
Ashley White
Human Resources Generalist
Cameron Hallock
Account Representative
Benjamin Carmack
Salesman
Mark Smullen
Engineering Account Rep
Tyrus Martin
Territory Account Representative
Zach Curll
Commissioning Specialist
Danielle OReilly
Service Administrator
Brittney Stevenson
Assistant Project Manager
Trevor McClure
Engineer account representative
John Jaworski
Municipal & Industrial Account Rep
Ciji Masser
Operations Manager
Companies Similar to STH LLC
FAQ
STH LLC operates in the Building industries. More details can be found on the official website: sthinc.com.
The headquarters of STH LLC are located in Frederick, United States.
You can contact STH LLC by phone at (301) 682-3390.
STH LLC currently employs 100-200 people.
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