Global > About Us


Global Power Group, Inc was formed in October 2005 to specialize in the back-up power industry. We currently have two offices in Southern California.  Our corporate office is located in Lakeside, CA and we have a satellite office in Anaheim. We are a California Certified Small Business, a GSA qualified vendor and a part of the Better Business Bureau. Global Power Group, Inc. is licensed through the state contractor’s license board and holds (A) General Engineering, (B) General building and a C-10 electrical contractors licenses.  The company is bonded; we have $10 million dollar pollution policy as well as liability coverage of $11 million dollars, including a $10 million dollar umbrella policy.  Our generator technicians are hazmat certified and factory trained while our electricians are state certified.

At Global Power Group, Inc. our goal is to utilize our experience and expertise to provide our customers with the highest quality service available in the industry.


Our focus in recent years on green energy consumption was a natural progression. We pride ourselves in all ways striving to exceed our customers’ needs. This is showcased in our solar and electrical retro fit projects. The recently completed Park Place Luxury Condos and Town homes in the marina district of San Diego is a shining example of both our technical knowledge and commitment to quality.

By holding a general engineering license (A), general contractor license (B) and an electrical contractor’s license (C-10) and are capable of providing an all-inclusive service package for our customers. We have a proven record in all aspects of the Power Industry, from designed turn-key installations of Solar Systems, UPS Systems, Generators, Switch Gear, Rental Generators, Preventative Maintenance, Arc Flash and Breaker Coordination Studies, Fueling Services, System Repair, System Monitoring, APCD Permits, and Power Plant Certification. Our goal is to provide a one stop shop for our valued customers. Bottom line “Our Business is Powering Your Business “, 365 days year!

The pinnacle of our solar installation capabilities is a 2.3 megawatt system on the roof of the Toyota’s NACCP in Ontario California. The system consisted of more than 10,000 photovoltaic modules


The Mission Statement:

To become the leader in the Power Systems Industry and to establish an excellent, unequalled reputation for the best customer service with the highest technical quality.

Our Team

Our staff of 80 is comprised of personnel from both electrical and generator divisions with an average of 25+ years of critical power experience. We have factory trained generator technicians and highly trained and license electrical crews capable of handling all our customers’ needs from small system integrations to the complete installation of One of North Americas Largest Roof Mounted Solar System, 2.3 megawatts. We are experts in designing turn-key installations of Solar Systems, UPS Systems, DC plants, Generators, Switch Gear, Sub stations, Rental Generators, Energy Reduction Service, Utility Inner Connections, Preventative Maintenance, Fueling Services, System Repair, System Monitoring, Air Quality Permits, and Power Plant Certification. Our goal is to provide a one stop shop for all our valued customers.

Our executive team consists of the following highly qualified, experienced individuals:

President: Salvatore Martorana
Mr. Martorana is our in-house expert. He is military trained and has been involved in the power generation industry for over 29 years where he started as a field technician and now directs all technical and sales aspects of GPG. Sal is the Qualifying Officer for the (A) General Engineering, (B) General building and a C-10 electrical contractors licenses. His extensive training and experience make him our source to help solve the difficult diagnostic problems. He oversees all electrical and power generation projects.

Chief Financial Officer: Salvador Ceballos
Mr. Ceballos has a B.S. degree in accounting and 26 years’ experience in finance and operations, including his last 14 in the power generation industry. Sal is in charge of the day to day operations of GPG and is instrumental in our efforts to automate all aspects of the company

Chief Executive Officer: Terry Mammen
Mr. Mammen has a B.S. degree in accounting and has spent over 36 years in the business world. He has owned and operated a variety of business ventures in real estate, franchising, and for the last 14 years the power generation industry. Terry is the financier and is involved in the strategic planning of GPG. 


24 Hour Emergency Service

We offer 24/7 emergency service to better serve the needs of our customers. Please call 1-800-54-POWER.

Diverse Fleet of Vehicles

Our fleet includes 4-wheel drive service trucks, 4-wheel drive cranes, 1,000 gallon 4-wheel drive fuel truck and more.

Licensed Contractor

We are licensed through the state contractor’s license board for General Engineering and C-10 electrical contractors licenses.

State-of-the-art Equipment

Power quality monitors, fuel polishers, 4 MW load banks and one of the most advanced infra-red cameras in the industry.


For When You Need A Power Solution... We Have The Plan For You