Our History

“Clients, subcontractors and employees can be confident that their construction needs and livelihoods are in good hands.”


Ron Sr. purchases Sweetwood Interior Construction

The company is renamed Sweetwater Interior Construction Group in 1985.


Ronald C. Witt, Sr establishes Sweetwater Construction Corp

Ronald C. Witt, Sr., as President and part-owner, establishes Sweetwater Construction Corp. in 1988 when the company was producing $500,000 per year in revenues.


Sweetwater moves corporate headquarters

Sweetwater moves corporate HQ to the farmhouse in Cranbury, New Jersey.


First major interior construction project in 1988

NCR data processing center - first of legacy of successful occupied corporate interiors projects.


Ron Witt, Jr joined the company in 1991

Now President, CEO & Co-Owner.


Sweetwater recognized as fastest growing company in NJ

Sweetwater is recognized as a top 20 fastest growing company in the state of New Jersey and now maintains a spot on the top 100 largest private companies in the state.


First major corporate office project

Sweetwater completes the first major corporate office project in Ewing, New Jersey for Epitaxx. Project includes 40,000 SF offices, R&D, and cleanroom manufacturing.


First major General Construction for Princeton Orthopedic Group

Two-story, brick veneer ground-up with elevator and physical therapy gym in Princeton, New Jersey.


First hotel project - Courtyard by Marriott - South Brunswick, NJ

First major hotel project completed for Courtyard by Marriott in South Brunswick, NJ. 154-room with indoor, spa and restaurant, 1 of 5 hotels to be completed in next 2 years.


First project with Universal Display Corp.

Still providing construction services with more than 50 projects logged.


First ambulatory surgery center Murphy Healthcare

Middlesex Surgery Center completed. Sweetwater has since completed 40 surgery centers to date.

Sweetwater receives Above and Beyond Award as Patriotic Employer from Department of Defense

Contributions by employees and subcontractors for our safety director’s platoon in Army Reserves.


First veterinary facility Winslow Animal Hospital

Award-winning premier animal hospital. Went on to complete 12 vet facilities including premier NorthStar VETS Trauma & Specialty Center.


Merwick Care and Rehab completed

First 200 bed nursing center constructed for Windsor Healthcare, with work at 7 more locations since 2011.


Sweetwater reaches $1 Billion

Sweetwater reaches $1 Billion in cumulative revenue mark. Ron Witt Sr. and Nancy Witt pictured.


Sweetwater moves to downtown Cranbury, NJ

Renovations of old PNC Bank building for new corporate headquarters.


Sweetwater Joins ISNetworld

Sweetwater is awarded work with a biotechnology firm which requires inclusion with ISNetworld.


Major expansion project for Siemens Healthcare Diagnostics, Flanders NJ

Second addition and renovation project at this manufacturing headquarters LEED Silver Certified, with several improvement jobs at other Siemens locations.


Pozycki Hall at Monmouth University wins ABC EIC Project of the Year

Two-story academic and administration building Includes a 180-seat state-of-the-art lecture hall. Also wins NJBIA Good Neighbor Award in 2016.


Multi-family community development – Avery Townhome Apartments

First major Multi-Family project with 2 more completed to date for client.


Ronald C. Witt, Jr. named President & CEO

Ron Jr. takes over helm of Sweetwater.


Renovation of Sweetwater HQ

Sweetwater undergoes major corporate renovation of Cranbury office. Renovation includes highlighting history and core values and marks the transition of next era of the company.


Inwood Apartments at Renaissance

Sweetwater completes 338-unit multi-family project at Inwood Apartments.