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  • Over 80,000 Housing Units

  • Full PREPA Procurement

  • High Rise Building     Commercial and Residential

  • High Voltage Power Lines

  • Aerial and Underground Llines up to 115kV for PREPA.

  • Vast Experience in 38kV and

  • 13kV Substations

  • Electrical and Mechanical Work (industrial and pharmaceutical)

  • Systems for Housing, Public and Commercial Facilities

  • 4 & 5-Star Hotel Off-Site, Site, and Interior Work.

  • Commercial Off-Site and Interior Electrical Works.

Tools &
  • Excavators

  • Bucket Trucks

  • Wood Chippers

  • Derrick Diggers 

  • Backhoes 

  • Bobcats

  • Soil Compactors

  • Pulling Equipment 

  • Lifters 

  • Small Power Tools

  • Welding equipment 

  • Electrical Testing

  • Safety Devices.





We build high quality electromechanical systems, while giving the best  service in the industry. Our experience in the building and design phases of construction, gives us the expertise to know exactly how to best suit our client's needs. We provide reliable and durable designs of electromechanical systems, as well as conducting their efficient implementation. 



Year Established


Housing Units Projects Completed


Human Resources





For any inquiries or questions please provide your information in the following form:

Head Office

Carr. 848 Km. 1.4, Saint Just, Trujillo Alto 00978

T: 787-761-1920

F: 787-755-8002


To apply for a job with Sphere Constuctions, please send a cover letter together with your resume to

Get a quote: 787-760-0255

Thanks for your request. We will contact you as soon as posible.



Notable Recent Successful Projects (Finished and In Construction) as of late 2018:

The Resort at Cayo Largo – Site Electrical and Telecommunications.   In Works


Four Seasons at Cayo Largo – Electrical and Telecommunications Site, Backup Generation, Gas Piping Infrastructure. In Works


Plaza Carolina, A Simon Mall - Reconstruction, Full and/or partial reconstruction of 114 stores.  Successfully Completed.


Plaza Palma Real, A DDR Mall – Full Electrical reconstruction of stores, walkway and general facilities.   Substations works and site general works.   In Works


Royal Caribbean Terminal Reconstruction, improvements at Panamerican Pier, San Juan.  Electrical and IT Works to serve newly welcomed to San Juan, Freedom of the Seas.   Successfully Completed.


Belive, a Pepsi Co. office at Ciudadela – Electrical and IT works.   Successfully Completed.


The Cuisinart the Resort, Anguilla – Backup Generation Infrastructure Design and Build.   Successfully Completed.

 Cuisinart The Reef, Anguilla – Primary Power Works and Infrastructure, Backup Generation Works.   Successfully Completed.


Oriental Bank Building, Milla de Oro, San Juan – Backup Generation Infrastructure Design and Build.   In Works.


AON Center, Milla de Oro, San Juan – Backup Generation Infrastructure Build.   In Works


The Intercontinental Hotel, San Juan, PR – Several Electrical and IT Works.   General.  In Works.

 Palacio Dorado Elderly, Toa Alta, PR.   Successfully Completed


Digital Display Electrical Infrastructure, Several Locations for Tactical Media Group.   Successfully Completed and In Works


New Construction and Reconstruction of Restaurants including:  Wendy's, Applebee’s, Famous Dave’s, Olive Garden, Longhorn, Sizzler, and Red Lobster.   Successfully Completed and In Works


Estancias de los Artesanos, Las Piedras, PR – Electrical and Telecommunications infrastructure of 433 housing units, site and interior design and build for VRM Companies.   Successfully Completed


Mylan Pharmaceuticals, Caguas - Gas Backup generation works.  General Electrical Works.   Successfully Completed and In Works


PREPA Post Maria Reconstruction Works, Several Sites I Bayamon, Dorado, Cataño, San Juan.   Primary and Secondary Electrical Infrastructure works for PREPA.   Successfully Completed and In Works


Hotel Melia, Río Grande – General Electrical Reconstruction Works.  In Works


Walmart Site, Off-Site, Roadway and Traffic Lighting Construction Works, Dorado, Hatillo.   Successfully Completed.

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